Application of low temperature micro-solid nitrogen particles and its semiconductor wafer cleaning technology


In recent years, the high-functional high functionality of micrometer low-temperature solid particulates has been concerned in the field of ultra-high thermal flux cooling technology applied to high heat emission devices. In order to effectively utilize such low-temperature solid particles in advanced nanotechnology, our laboratory has developed a new physical semiconductor cleaning method, which uses a low temperature spray.

In the present method, in order to clarify the detailed mechanism of microscopic (SN2) particle behavior, a combined calculation of fluid kinetic analysis is carried out to clarify the micro-low temperature monolithic particulate heat transfer mechanism of the traditional measurement. For the expression of the control equation, the thermodynamic behavior of a single micro SN2 particle phase change is controlled by the Navier Stokes equation, the continuity equation, and the energy equation. The decisive feature of this phenomenon is to occur in strong evaporation (and later condensation) in the SN2 particles and the surrounding air phase interface. In addition to these thermodynamic analysis, the application of micro SN2 spray in semiconductor wafer cleaning technology was also studied. The SN2 particles impact silicon wafer heating machinery removal cleaning characteristics were clarified from the experimental and numerical values. Effects of ultra-high thermal flux cooling on removal properties of the heat shrink resist of organic materials were studied. In addition, the effect of ultrasonic atomizing micro-solid nitrogen on wafer ultra-clean performance.


For wafer samples used in the process, the peeling properties of the polysilicon / gate silicon oxide / silicon substrate coated with the positive KrF photoresist were examined. These wafers are manufactured as follows. First, a hot oxidation of 8 inch P-type silicon substrates and a 6-nanometer thick gate oxide layer is deposited on the substrate. A 150 nm thick polysilicon layer was deposited on the gate oxide using LPCVD (low pressure chemical vapor deposition). The HMDS (hexamethylene silicon) layer is applied to the surface of the polysilicon to help the photoresist adhere to the polysilicon, and then the rotary coater is used to form 500 nm thick photoresist layers on the HMDS layer. . Photoresist is patterned using 193 nm KrF excitation light. The door length is 0.34m, and the door width is 10m. Polysilicon is electrocardiated by an inductive coupled plasma etch system (silicon etch system, application material company) to form bromide / oxygen chemical etching into a pattern. These wafers are cut into a rectangular sheet of approximately 5 mm × 5 mm.

Results and discussion

Figure 7 shows the calculation results of the non-organized internal stress distribution of the SN2 particles and the deformed resist. It can be seen that the interaction between the SN2 particles and the resist is reasonably simulated. The size of the stress in the wafer resist increases as the plastic deformation increases. The pressure between the SN2 particles and the pressure of the wafer resist increases with the impact of the SN2 particles. It may be possible to predict the collision of SN2 particles and plastic deformation, and the collision causes the shear deformation of the resist – polysilicon interface. As a result, the resist removal performance is improved by the scratching effect of the micro-recess in the narrow recess between the wiring pattern.

Figure 7 Replace the calculation of the stress distribution of the reaction particles and deformation resists

Figure 8 shows an experimental result (scanning electron microscopy) using micro SN2 spray produced by the Lavar nozzle method (scanning electron microscopy). The resist can be effectively removed, and the main contaminants on the surface of the wafer are also successfully removed. This improved resist removal cleaning performance is a result of the removal of the motion resist removal of the very fine (nanoscale diameter dimension) SN2 particles. At the current stage of technological development, a given Sn2 particle digital density condition is a small amount of residual resist in the concave portion of the wiring pattern. However, we have successfully developed a single component of a single component that does not use gaseous helium.

Figure 8 Remove the experimental result of the photoresist with a micro SN2 spray (scanning electron microscope image)

Values ??and experiments have found that due to the ultra-high heat transfer characteristics, the mixed interaction of the fluid mechanical force and the thermal mechanical force contributes to the resist removal – the cleaning process. In particular, the effect of ultra-high thermal flux cooling on the resistance properties of thermal shrinkage removing resistance of the resist material was found, and the effect of ultrasonic atomized micro Sn2 particles on the ultra-clean performance of the semiconductor wafer was newly discovered.


When the micro-solid nitrogen particles are used in the heated substrate together with the refrigerant, the ultra-high cooling heat flux level is achieved during operation, and therefore, the cooling performance is better than conventional liquid spray cooling. Since the micro SN2 cooling has the advantage of avoiding direct contact and latent heat transfer of the membrane boiling state, the ultra-short time scale heat transfer in the thin boundary layer is more likely to be in the liquid spray.

Numerical and experiments have found that the impact and ultra-high heat transfer characteristics of the micro-solid particles contribute to the resist removal – the cleaning process. An important discovery is that the impact of ultra-high thermal flux cooling plays an important role in removal properties related to thermal contraction of resistant materials.

The results obtained are of great significance in the field of low temperature cooling technology of advanced high heat emission devices, but will also help nano-devices engineering, which is closely related to semiconductor wafer cleaning technology.

Love and intelligence behind a package

Okay ~ I am in history, my daily life is a scientific and technological big cow that opens five lakes and four seas. I will try all kinds of postures to tell you the boundless brain and warm story. If you want to be friends with me,).

Love and intelligence behind a package
Wen | History
(Zero) a small problem
You are an ordinary Beijing Chaoyang, you hate the life of the nine and fifth and want to start a business.
You have developed a "cat eye sunglasses", not only look cool, but also has a built-in high-tech function, eye movement control taking pictures, and the eyebrows can also be alarm.
You will set up 100 glasses from the factory, piled in the living room, personally play live broadcast. Product useful, pricing and conscience, really popular, sell light in a few minutes.
Turning, you called "Puppy Express", the brother of "Puppy" is pulled away from your home and sent it to the buyer in all parts of the country.
Not long, your business is, the greater, and you can sell thousands of "cat eye sunglasses every day."

(Because the islands in the South Sea are too wide, it is particularly emphasized for the picture expression, and the picture is not particularly emphasized. Middle brothers resolutely support the unity and territorial integrity of the motherland, and struggle with all the dissection of the motherland.) This statement.)

In addition, you have encountered a small problem – your living room is not big enough.
One car smart glasses are sent from the factory every week, and the at home is not in the home.
No way, you decided to take the money in the piggy bank, rent a real warehouse, hired a special warehouse administrator, I also made a system that automatically fills in the order address, puppy express is also arranged. Special car, go to your warehouse every day.

(Because the islands in the South Sea are too wide, it is particularly emphasized for the picture expression, and the picture is not particularly emphasized. Middle brothers resolutely support the unity and territorial integrity of the motherland, and struggle with all the dissection of the motherland.) This statement.)

However, the more business is more, you encounter a new problem – a warehouse is not enough.
"Cat Powder" (fans of cat eyellaway) will place an order, but you only have a warehouse in Beijing.
The receipt of the area around Beijing is very fast, but Hong Kong, Macao and Taiwan and the western friends can wait for two days. Everyone gave a message to spitting, you shipped slow. . .
No way, for cat powder, you bite your teeth, add two warehouses in Chengdu and Shenzhen to allow the factory to send the goods to these three warehouses.
Take the principle of "recent delivery": Hu Jian fans will be shipped from Shenzhen Warehouse, and Chongqing friends will ship from Chengdu warehouse.
In this way, although the cost of transportation has increased, your delivery speed is guaranteed, and the word of mouth is saved.
Subsequently, under the "恿" of the fans, you enrich the product line, launched a cat eye headset, cat eye camera, cat eye brush, razor, and a lot of various types.
This brings a new problem – people in the warehouse are not enough.
Various products are different, different placement positions, after the customer order, the few teachers in the warehouse ran to ran all kinds of picking, they can participate in the marathon competition. This is much more efficient than just picking a product. . .
So you have to make more staff of the warehouse, but also have to give them training, and the cost has increased a lot.
Soon, you are already a famous brand of small, starting to participate in 618, double 11, and a variety of promotions.
But there is a problem with promotion, which will cause sales of sales. One wave of big promotion, some warehouses sell, and some warehouses still have left.
So you have to face a new issue – inventory lacks coordination.
So, you find two experts’ big cattle:
One is responsible for "sales prediction", he will measure the future sales according to the historical data at the time of the previous promotion, reasonably arrange the stock reasonably; one is responsible for "balancing inventory", he will adjust inventory according to the sales situation, such as put a The warehouse is saplified to the B warehouse.
Although experts have high salary, sometimes forecasts will be mistaken, but after all, there are many "out of stock" and "slow sales", and overall is still very cost-effective.
However, the world has not ended from you.
Look at the previous map, no matter how many people in your warehouse, how many people in your warehouse, from "Your Warehouse" to "User Hand", the paragraph still needs puppy express delivery + delivery .
One day, your Beijing warehouse is going to send a lot of goods, the manager of the puppy is telling you in the phone: "Why didn’t you say it in advance, today we are super busy, the capacity is not enough, can’t make so many goods …"
The next day, your Beijing warehouse suddenly shipped very small, the manager of the puppy is spit: "Yesterday, the car is not enough, I deliberately give you a few cars today …"
Thus, a deep problem is highlighted – the lack of coordination on the supply chain.
You have to play a big hand, and the puppy express has established a deep cooperation. Dock your sales system and puppy logistics system, sales of key data to the puppy express in real time so that they can make arrangements in advance according to data.
Hey, you are not forgotten, and it’s actually a company that is a product. . .
Every day, the "breaking" of the supply chain is dealing with the supply chain. It has taken a lot of energy (° ゝ °) ╭, slightly does not pay attention, the supply chain cost will soar, this is not a lot of profits. trace. You are getting more and more time to study the feedback of "cat powder", and there is no new product, and the word of mouth is gradually out of control.
Yue Yue is tired, the cat powder began to spit in social media, and you are a capital home that is not conscience, your sales also begins to decline. . .
In the middle of the night, you have a big green stick suspect a life: My initial heart just wants to be a good product, why is it last? ?
Turning, you can’t bear it.
You don’t find someone, we do"Integrated supply chain "just can solve your problem.
Our puppy logistics has a warehouse in all parts, and the warehouse is all intelligent robot sorting and handling, which is much higher than pure artificial efficiency; we also have system intelligently predict sales, calculate the number of replenishments, automatically balance the inventory of each area – These all can be used!
Moreover, with an integrated supply chain, the data is naturally open, and the distribution scheduling is also easier. In the future, you only do your products, pay the hardships of the supply chain to us, this is not very cool?
Your tears come: "Big Brother, I have tossed a few years of supply chain, next time, can you tell me a few years …"
Lausa said: "Brothers, sorry, we are late …"
Ok, today’s brick story will talk about it first, we go back to reality.
It is estimated that you also guess it, this story is to adapt from the real incident. The puppy inside is – "Jingdong Logistics".
According to my secret observation, ordinary people’s understanding of Jingdong retail (Ji Dong Mall, usually buying things), but there are many misunderstandings for Jingdong logistics.
The biggest misunderstanding is: Is Jingdong Logistics not shipped by Jingdong?
I have talked about several old drivers in Jingdong logistics in the last month. I found that they did, I have already written a popular science article immediately.
As I mentioned earlier, Jingdong Logistics The present is "integrated supply chain".
Tell, this name is not sexy. I thought how to use a sentence for a long time to describe "integrated supply chain." Later, I found that one sentence is not, a picture may be.
If you take the goods from the factory than a drop of ink, the technology integrated supply chain is like detergent, as long as it is dropped, it will make the pigment instantly to the place where they should go.
Brush, just like this.
The Creator’s ghosts are of course very cool, but the teachers of Jingdong logistics must use human limited technology to simulate this "speed spread" effect in the "real supply chain scene" on the nine million square kilometers of land, difficulty It is really not small.
Don’t worry, I will give you detailed science these punk technology, before this, I want to spend a little time to discuss a question:
The supply chain will come to the point where you need such complex technology today?
More than ten years ago, there may be 10% of people with a soft. May I have such a big proportion? It is certainly won’t have, because everyone has their own shampoo brands and products.
Jingdong Logistics CEO Yu Rui sits in front of it describes such a rushed common phenomenon.
Yu Rui
Everyone has feelings, because our needs are like explosive fireworks"Segment". Today is in the consumer field, no matter how much star’s products are hard to make a rivers and lakes.
But why is demand to be subdivided?
My thoughts began to float, and there was an interesting demonstration logic in front of them:
Everyone has countless "demand" inner heart, these needs are spel, which is the unique graphic of everyone.
We may have a common demand, and some of our graphics is coincident.
When the level of economic development is relatively low, everyone’s needs are basic demand, such as eating and full of food, washing their eyes. So this time, if you draw a "demand map", everyone’s demand pattern is squeezed.
In the face of this map, the most insurance method of merchants is to produce the highest demand of demand.
So before ten years ago, there will be "a lot of people with the same goods".
However, with economic development, new companies have produced new companies.
At first glance, the previous demand height-catching products have long been done, and the new brand can only find "although the coincidence, but less than the number of people" can only be found on the map. Just like here.
After more subdivided products, interesting things begin to happen:
People find that it is best to buy things that suits you most, there is no need to use a lot of gentle.
This kind of thinking is like "breeding grass", and everyone has repeatedly re-examined their hearts and ask yourself what you need.
After thinking, their needs have also begun to change.
Note that I am in describing a mutual process: the product is getting more and more, and the demand for people is getting faster and faster, in turn promotes the product segment, and then promotes demand variation.
If you are an entrepreneur, there will be a "unlocking process" in front of you: the user’s needs are locking, your product is the key.
In the past, the demand is stable, the user is like a traditional general lock – you only have a key, you can open the user’s atrium; now the user needs floating, like a password lock – your hand is still Can open the user’s heart, will change your password tomorrow. . .
First, you have to send as many goods as possible to the user’s hands in the shortest time. There is not much time for the Chinese team, hesitating will be defeated.
Second, I still don’t dare to prepare too many stocks, because I don’t know if I have a "password" in my hand. During the night, users used the big brother, I still hold a bunch of BP, but it can be too irradiated.
In the movie "riding the wind and waves", there is a plot of a bunch of BP machines.

All brands want to use fewer stocks, faster speed, to meet more potential sales opportunities. This is the future we see, and it is also our service available from the perspective of the supply chain!
Yu Rui said that he had to have 10,000 times, and he had already considered it.
Now you probably understand what the ink drops into milk is saying.
Just a drop of ink, this is "less stock"; spreading the whole water, this is "more potential sales opportunities"; instantly spread, this is "faster turnaround speed";

Look at it again

How can it be done?
To be a brother, it is very simple. Just need two magic weapons: First, there is "Zhuge Liang"; second, there is "five tigers".
What is "Zhuge Liang"?
You still remember in the example of "Cat Eye Mirror", we invited a few big cattle experts to help us do "sales forecasts" and "inventory balance"? These two characters are part of "Zhuge Liang".
The most cattle Zhuge Liang need to do "whole knowledge":
In the brain, the sales volume of the next period of time is determined from the factory to order how many goods will be booked from the factory. Which bin is put into it; also consider the sortie in the warehouse, the number of distributors in the area is not enough; if you have a hair loss, you have to think Inventory supplementary strategy; slow sales, you have to get out of the stock promotion strategy.
How is it, is there a strategic taste?
Why is it "five tigers"?
This is better understood, you have a magical calculation, no Guan Yu Zhang Fei gives you the charge, do you have to pay more?
You still remember that in the example of "Cat Eye Mirror", we rented a lot of warehouses, and also hired a lot of masters in the warehouse to help sorting, and the goods had many little brothers after coming out of the warehouse. These are part of the "five tigers".
The most cattle five tigers will be "all-round":
Any order, the system wants to pick the goods within five minutes, I can pick it; the system hopes to send it within 12 hours, I can send it. Send a trip to the goods, the tea in the cup is still cold. . .
How is it, is there a warm wine Huaxion?
"Zhuge Liang + Five Tigers", is this what the "integrated supply chain" of Jingdong logistics is doing?
Yes, but not accurate enough.
In fact, from the beginning, Zhong Ge is deliberately hiding a small secret.
When you see my "cat eye sunglasses", you are saying to find experts to do forecasting. To find a master to pick up, find a little brother to help the goods, these are pure people’s labor (whether physical strength is still brain power .
As long as it is a person’s labor, there are two unable to host a gap: The first is that the marginal cost is very large. If you want to do more, you will have a person; the second is to play unstable, people will always be emotionally And physical restrictions, sometimes complete the task, sometimes it is a bit.
Therefore, a supply chain system coordinated by all the links is impossible to do efficiency.
The things that Jingdong logistics is doing, in key places, "brain labor" with "large-scale data" and "artificial intelligence algorithm"; "intelligent robot" and "Internet of Things Technology" assistant "physical labor ", Combining people and machines.
The conclusion came: they want to create – "Saibo Zipue Liang" + "Sai Bo Wuhu will".
First look at a few pictures.
This is an ordinary warehouse ↓↓
This is the warehouse of literary, ↓↓↓
This is the warehouse of Jingdong logistics ↓↓

That is like a ladder, it is calledWolfIt can take the designated item from the three-dimensional shelf, hand it over to the picking staff; carry the shelf on the ground, callWolfIt is also used to transport goods to pickers.
That cart between the same place like a beetleAGV sorterAfter the pick-in-chip is finished, I will be thrown into it, it can be sent to the designated "pit". Then there is the automatic cross-band sorter to carry the express mail, waiting for the loading.
Have you found that all the heavy efforts involving human beings running, are giving these two "wolves" and cars. Picklepers only need to complete "light and serious thinking" in the original place.
Originally requires a master to eat 10 buns, now only need "wolf" to do it, and "Wolf" will not have lumbar muscles, but also the efficiency improvement is obvious, but also protects human workers.
Two "wolves" is just the most common creatures in Jingdong’s warehouses, in fact, there are many interesting technologies around them.
Before introducing interesting technologies, give you an interesting friend.
Civilization is the person in charge of the technology innovation of Jingdong logistics intelligent supply chain platform. He is a non-critical technical control. In 2014, he helped Jingdong logistics distribution system as a general architect.
In these two years, he received a new task, using the technique of various "evil gates" on the "Sai Bowang".
For example, these wolves that have just been said, it will be full of rooms. If each wolf is dragging a signal line to run, you will be entangled into a scorpion. So in real time, the command is accepted, and the wireless signal must be used.
However, the problem is that the area in the warehouse is large, the structure is very complicated, and some are blocked, and some are interference. To ensure that each corner has a signal, and the signal is to be reachedIndustrial stability.
In this way, traditional Wi-Fi has no way to provide a stable network guarantee. Civilization, they are introduced5G special network technology, The wireless network becomes low, and it is reliable, which can guarantee that the business is killed.
Just like this to evenly cover the entire area
For example, the warehouse is once a "inventory" every day or week. Inventory, it is to see the number of actual products and the number of records recorded in the system.
The traditional inventory method is that the masters take the scanning gun standing next to the shelves, a box, a box, and enters the system.
But this method is not very good. As a result, sweep sweep is easy to fatigue, missing some; second, hand-working speed is unhappy, the big warehouse requires many people to do it.
The civilized team came to the inspiration and made a "automatic inventory system" of the sword.
They used the RFID tag.
RFID listened to a bit strange, in fact, the access card and bus card technology you used every day. Put a "bus card" on the product, then design a "reader" with a high sensitivity antenna, so that the robotic car is pulling the reader in the channel, and the goods are "disc" arrive.
Of course, this thing is nothing to say so easily. For example, if the sign is never pair, it may halt; if it is too close, it may cause interference.
In 2020, the civilized team also specially went to a warehouse for a few months, which is a variety of tests: how to put the goods can make the inventory most accurate.
The masters of the warehouse felt annoyed: This helped us, this is a drum, we still have a matter to do, how can you have a leisurely with them to move. . .
Civilization, they have to accompany their hands with their hands.
Later, the experiment was successful, and the civilization made a master to walk from the roadway from the roadway. The signal was adsorned like a magnet. After the brush brush is completed, everyone will release light: "It turns out that you are still something what!"
In 2021, this "automatic inventory technology" has been promoted in many warehouses in Jingdong logistics, saving a lot of time costs.
In other words, there is one less one less than one less, but the other thing, but there is no mistake.
This is safe.
The civilized team has made a complete set of "smart security systems" with computer vision (CV). Through artificial intelligence to identify abnormalities, such as the fire passage is blocked by things, the parcel is from the conveyor belt, or a "wolf" fault Smoking, even strangers are mixed into the warehouse, they can be pulled out in one second.
Just said, the sorted express mail will be all, waiting for the truck to pull away. The place where the express mail is loaded is called the platform.
After the truck is coming, it is necessary to stop at which month platform is manually directed by the staff. Civilization, they have made a "digital platform system". According to the data packaged in the warehouse, the truck is allocated for the truck in advance, and then automatically directs the truck with the mobile app.
On the backbensorship screen, each of the staff is all in the entire platform, the real-time progress of the loading is also clear.
After the goods transfer from the warehouse to the truck, there will be a "signing handover" action, and there will be a problem to trace responsibility.
It turned out that this handover work is to fill the paper, and we must print four or five A4 paper, sign a few words. Now, civilization they have made a "chain sign" block chain system, and the transfer work only needs the driver master to click the button on the phone, and it will never be wrong, no one can reliably.
Is this what is it?
for example. The mobile phone of the driver is certified by the certificate, that is, only through his mobile phone accessing this system, it has the right to click "Receipt".
Once the driver is confirmed, this information will broadcast on the entire block chain. The block chain, you know, anyone wants to change this record, which is comparable to the day.
Don’t look at this small technology upgrade, not only save a lot of paper, but also save a lot of valuable time – it is half an hour for half an hour, now a minute. This means that you buy things from Jingdong, eliminating out half an hour.
This is the past paper signproofer.
After the team opened, the intelligent system also uses the land.
All the Mercedes-Benz trucks on the road will be reported to the cloud "big data scheduling system" every three seconds; there is "auxiliary driving system" on the car. If the front car is close, or the driver mental state is not good, the system will Reminder; and, if transported is cold, there will be a special temperature and humidity detector on the car; if transported is valuables, the car will also have an anti-theft alarm device.
For example, the car, the anti-theft equipment on the car, the anti-theft equipment on the convection is tens of thousands of costs, which will not be secondary.
Pull the goods to the grassroots distribution station, which will be delivered by the little brother. Isn’t it a high technology? No, there is.
You may have seen this delivery trolley, it is purely driving, proper human scientific peak.
In these two years, the smart express bus is in some regional pilots. Jingdong little brothers can adopt "express bus". Most roads can make the courier to help, when the little brother, when you encounter the climb, your little brother is personally, so it works together Many quicks can be sent more times every day, and the income can also increase a lot.
This is a courier that I took in Beijing Yizhuang.
Note that the technical, the surface is independent, but in fact, the links between them are more than the imagination.
That is the "data" associated with them. Whether it is a Wolf Wolf, Wi-Fi base station, a digital platform, a smart truck, and a distribution robot, and the data of these devices can be summarized on one platform, and unified is managed.
This platform is called "Jingdong Stroller".
Interesting things are still behind.
Since all the data is collected on this platform, there is a virtual world that wants to correspond to the real world – how many goods in the real world, how many goods in the virtual world; the real world is in, where, virtual world Where is the cargo; where the real world is in, where the truck in the virtual world is also.
Even the rotation of each track, the state of each switch, can also correspond one in the virtual world.
This two world like the same relationship like the mirror is called "Digital Twins".
You may ask, do you have any use of digital twins?
It is much larger. The relationship between the real world and the virtual world is like "writing" and "WeChat" – your handwritten letter and send WeChat, you can write the same content, convey the same information.
But think about it, do you really like this?
You can check with any historical keywords at any time in WeChat, you can also record the quotation of the big segment into text, you can also collect the article, forward, you think about it, the letter can be done?
For details, the most important place for numbers twins is:
1) Map the relationship between the objects of the real world to the virtual world, thus generating the "model" of the real world in the virtual world.
2) With a model, you have the opportunity to exploit the model to find, experiment, reorganize, tun, to find the best guidance reality.
This is a bit abstraction, or a real example:
Just now, the truck will report the location to the big data system every few seconds, why is these location information?
They can create a "twin" for all trucks on the virtual map, and the scheduling system can calculate the current most suitable navigation route for each car after large-scale calculation of the data.
For example, the navigation system can open data with the traffic system.
A place happened to traffic, this data immediately reported to the navigation system, next second, all the navigation routes that will pass through the trucks will change in an instant, bypass this congestion point.
For example, a warehouse suddenly has a batch of goods to be expedited, this time the system should adjust the recent empty car to support.
However, when the system has mastered all the information, it will find that although there is a car is now full, but it is coming to unloading, it is just that it can support this distribution, no need to transfer it. (Just as the webmaster sent a passenger, I just received you in the original place.)
All kinds of arrangements under the guidance of numbers, not only make the obsessive disorder is extremely comfortable, but also saves the cost of arrival of the freedom of gold.
Simple summary:
If the operation of the entire supply chain is more than a person, then the "Saiban Tiger will" consists of this person’s "body".
Note that it is not mechanically executing the head of the head, but "adaptive" implementation tasks.
For example, the brain said "walk", the body should coordinate the control of the swing arm, balance, and hundreds of muscles complete the task of "walking"; in the process of encounter ice, fire, sharp or squeezed to make a vision avoidance Reaction.
Will walk just a must have an indispensable basic ability, but this person will have a better future, that is, "Sai Bojie Liang" This "head" should be thinking.
You and your bodny encountered a bear in the forest, you don’t have to run than the bear, just just run better than him.
Every company wants to predict the market, your forecast does not have a 100% and facts, just need to predict more than others.
Retail is red sea since ancient times.
You may not know that Jingdong is killing from the blood sea of ??corpse. One of the main reasons is that it is more expensive than others.
I have compared this prediction in an article "Autumn Mountain."
In fact, you can sell 100 mobile phones. If you predict 50 sets, you will be out of stock, everyone is playing with monkeys, the mouth is worrying; if you predict 200 sets, you will backal 100 units, real gold silver losses, cost Burst; only your forecast is 100, you will neither be, will not pay for money.
Yes, it is so difficult to do business.
How can Jingdong predict it?
It is data that they use data.
As early as before and after the Beijing Olympics, Jingdong did digitally transform sales system, and all data were completely retained and accumulated.
A beer invited the traffic to make a endorsement, how many people will support buy? How long can the belt effect of traffic? What curve is attenuated?
When you are promoting 618 promotion, a mobile phone has a purchase of 100 yuan, will you prefer a few customers? How many people are willing to pay in advance? How many people are willing to pay a full amount?
Chongqing’s average temperature in June this year is 1 degree higher than last year, how much will people who want to buy air conditioners? How many people buy it when I first arrived in summer? How many people buy it in the hottest day?
I can also mention hundreds like these problems.
Of course, refer to last year’s data, human beings can also guess this year’s data eight or nine; but by calculating the full amount of large data by calculation, the system will result in more precise predictions than human experts.
This is very like the Go War in 2016 – Ke Jie is also a meat head, and there is no victory in front of a few thousand servers.
When Jingdong, China has begun to sell home appliances, it is full of confidence, because they hold a magic weapon in their hands – based on the "sales prediction system" based on big data. (I am writing this story."Secret 618: A" Supply Chain War "across a decadeIn the case, you can go see. )
The result of the "sales prediction system" is like a shell, which can be used directly to the "intelligent replenishment system".
For example: the prediction system says that it can sell 100 units, there will be a positive and negative errors, and the replenishment system may determine 105 units. The entire process automatically dies all data. As for people, just look at it next to it, don’t look at it.
Sales predictions and intelligent replenishment systems are the core components of "Sai Bojie Liang", but they are not all.
When the data is enough, you can not only predict the national sales, but also predict the sales of each province and each city. Based on these sales predictions, you can clearly know what location should be set in your warehouse.
This system based on the data to help your warehouse is the "Warehouse Network Optimization System".
But there is a problem here: the location of the warehouse network is designed according to your current sales situation.
But the situation is changing, if you are hitting the Shanghai market, in a few days, the Shanghai market broke out, the sales volume is ten times, are you now in the warehouse?
At this time, you can’t do a real trial, but don’t forget that you have a "digital twin" system. You can directly increase Shanghai purchase quantity in the virtual world, then look at the top.
This system is called "global simulation system".
With the development of enterprises, your product line will definitely be rich, that is, say that you will not put a product in your warehouse.So how many goods are you want to put in this warehouse?
This thing also has a smart system to help you make a plan according to big data, this is the "commodity layout system".
Previously, we stressed that the NB system prediction can only approximate the reality, and it is impossible to completely and reality. Therefore, the real world will still happen "sell goods" or "backlog".
The problem is coming: If you avoid selling free shipping, you may have to prepare a lot of stocks, increasing the risk of backlog; however, if to tolerate some extent, you can reduce a lot of stock costs, overall or cost-effective.
So,How much is the extent to which the goods in a warehouse allows the extent to which it can achieve the overall cost-effectiveIt is necessary to make a system to calculate, this is the "inventory optimization system".
Just taking these systems, it is also assumed that you are only selling in a channel. However, in reality, many brands have many sales channels, such as selling in Jingdong, Tmall, hanging e-commerce, agents, supermarkets, offline direct stores.
If each channel uses these systems separately, the data between them has no way.
This will bring a question: For example, I have sold the inventory for the Shanghai warehouse to Jingdong, but in the same warehouse to prepare for the stock, I can not put the "supermarket channel" to "Jingdong" Channel "?
This is the hottest concept in the supply chain theory – "a plate".
In fact, this is not difficult to logically.
Because all the inventory data in your channel is in the "Integrated Supply Chain System", as long as the master of Jingdong logistics writes a few lines of code, the data between the different channels can flow freely, isn’t it?
In the same warehouse, a bottle of mineral water, on the surface, it has been placed on the shelf, in fact, the objective time behind it is transferred.
This second is also a supermarket channel. The next second may be an e-commerce channel; the last second may be in the brand, and the next second is already a dealer.
The above system has been integrated by Jingdong Logistics in a platform called "Jing Hui". Their common point is to use "large scale calculation" to deal with "large scale data", thus rolling human experts and realizes More Nb’s operations – this is the true meaning of "Sai Bojie".
Now, I have to witness the miracle moment:
If the "Sai Bozi Guliang" just said, "Sai Boji will" can put a very punk, which can do 99% of the complex supply chain of 99% of the world.
Although this "Transformers" is honent in the Jingdong retail system. However, Jingdong Logistics This group of teachers "Heart is higher than the sky". They want to go, just serve Jingdong retail a customer, isn’t it a waste of such bovine X? Is there a way to reach a good world!
So they made a punk decision: open the "integrated supply chain" to the whole society.
Since then, as long as there is a need, no matter what you are "cat eye sunglasses" or "Gang Coffee", no matter whether you are talents or a small buyer, you can enjoy the supply chain technology that is as high as Jingdong.
A epicard-level wind is vaguely appeared in front.
But the work of the next story is some of the way. . .
The more big leading enterprises, the more you can’t be a poor two white, and you have built your own supply chain system more or less.
For example, some enterprises are more mature, only the sales prediction system of "Zhuge Liang"; some enterprises sells very stable, just use "five tigers" to increase the management efficiency of the warehouse; some warehouse has, just want It is necessary to reduce labor costs; some don’t need anything, just want Jingdong brothers to wear neat uniforms to help them deliver goods, and Dare has a face.
If the "Transformers" is metaphor, then some customers have already had hands and feet, only need torso; some have a body, only need head. . .
Going to the deep water area, the old driver of Jingdong Logistics found that the characteristics of all walks of life are particularly large. They also have five flowers in the supply chain system. Some want to use the Optimus, and some want to use the Wei Zhenti. Some want to think To run fast, some want to force.
Some will speak the cross.
In this way, there is no way to sell standard platforms to them, but to remove some key subsystems from the entire platform according to the needs of others, and then cooperate with people’s existing systems to fight a new Transformers just row.
You may say: The customer is God, since others need, then you will open it.
But where the transformers are you want to remove, you want to remove it. . .
This difficulty is probably beyond the imagination of most people, and even the old drivers of Jingdong logistics also specialize in high-level name-decoupling.
(4) decoupling
Wang Qiang, the head of the intelligent supply chain platform of Jingdong Logistics, is one of the drivers of the decoupling.
When I saw him in October 2021, he has just released the latest generation of "Jinghui Platform", "Jingdong", "Tianshi", "Tian Wolf" and "Express Vehicle" in Beijing 798 huge venue.
In the past two years, in order to promote the decoupling of Jingdong supply chain platform, he has made a decimal number.
Wang Qiang
Before Wang Qiang joined Jingdong logistics, Wang Quan was working in Huawei. From the communication industry cross-border to the logistics technology industry, he not only did not adapt, but found the commonality of these two industries:
The core of the communication industry is to organize a network, highly transmitted information;
The core of the logistics industry is to organize a network and highly transmitting objects efficiently.
One effect goal isElectrical signal-based digital worldOne action objective isAtom-based physical worldFrom the mode, it can be completely classified.
Wang Qiang explained the first principle.
A more carefully, in the communication industry, in fact, has experienced a long decoupling process.
He gave me an example:
For example, you play 114 query information. Your query needs becomes a control command, which will find the information you want to query, and combine into a voice to return to you, this voice is called "resource".
The earliest communication network, resources and control are coupling together, so "Seven countries", unable to interconnect between different devices. This is a bit like private cars, and it will only open themselves in most cases.
Later, resource and control did "decouple", specifically there is a resource pool, and the control command to find resources in the resource pool. Such different instructions can share resources, a bit like sharing bicycles.
In fact, this "decoupling of control and resources" can also be implemented in the logistics industry.
For example, "Warehouse Management System" and "devices in the warehouse" can be classified more than this routine.
Specifically, you can do this:
The warehouse management system needs to specify some standard data interfaces, whether it is Jingdong’s Wolf Wolf, or what the robot arm of others, as long as it meets this data interface, you can use the management system "conversation", the management system can absorb it. Come in, for me, unified dispatch.
This is a bit like our computer, no one stipulates that a computer can only match a U disk, as long as the "USB socket" is inserted, it can happily play. As a result, the scalability becomes unlimited.
According to this concept, "Logistics Scheduling System" and "Warehouse Management System" can also be decoupled.
For example, Jingdong logistics "Yuncang" – a park has 5,000 mu of land, Jingdong logistics own warehouse may only be 500 mu, and 4,500 mu belongs to other companies.
As long as you meet the "Interface Standards", other warehouses can easily follow Jingdong logistics "grid".
In this way, there are many benefits:
Usually these warehouses have independent tasks. If you encounter a big promotion, Jingdong logistics warehouse is not enough, they can easily use the warehouse resources to Jingdong logistics. On the contrary, when the Jingdong logistics warehouse is rich, others can also call.
This is like a dormitory, when I have no money, you will be dismissed, I will lend you when you have no money, I am a sister, you are a charm, your sister, I am, the resource multiplex rate is very high.
According to this logic, you can continue, such as the decoupling of "distribution system" and "distribution capacity (Jingdong brother)".
For example, there is a grain and oil company that has had its own warehouse across the country. They want to let the Jingdong brothers in each city will help them send their delivery to the customer.
In order to meet their needs, Jingdong logistics has been "decoupled" pilot in several cities, so that this company passes the standard interface between the system, and the little brother picks up the list. The Jingdong logistics is still sent by other companies, as long as the execution is good.
Such a "sending single" is increasing, the capacity load will become a balanced, and the little brother’s income is of course better.
I saw the following examples, I guess you probably a little bit of "decoupling".
According to this logic, all subsystems, "5G special network", "sign-up inspection", "cargo inventory", etc. before, and even each subsystem can continue to split into a more basic module. .
Once the decoupling is successful, this huge transformer can become a pile of "Lego" and combined with other components.
However, it is easy to do.
Jingdong Logistics was established in 2007. Liu Qiangdong was "delivery not timely", "delivery service", and "Delivery service is poor" and "Delivery Service".
At that time, Jingdong’s survival was the most important. Who would think of more than ten years after Jingdong logistics can have the opportunity to provide services to the whole society?
Therefore, the sector settings and product designs of Jingdong Logistics in the past are for practical, not "decoupled".
Now I want to decoup, I have to face two historical burdens:
One is a technical burden.
Many system design is "sticky together", just like laptop’s keyboard inlaid on the panel, you want to remove it, don’t know how to start. At this time, the old driver will take the time to re-fold the code logic, define a variety of interfaces, and then package the two systems that open into independent modules.
One is to organize the burden.
It turns out that the overall operation indicators of a warehouse are back to the entire team, now decoupling as a "warehouse management system", "Tianwolf", "Wolf", etc., then to re-establish performance for each part standard. Moreover, the original Jingdong logistics is divided into many business lines, and all business lines have a similar system, and now they must be integrated into a system a team.
These two bags, which is not well solved, and which one is unhappy.
However, the business of business is just to do "difficult and correct things." In my opinion, I can constantly do "difficult and correct things" is that Jingdong has always been aimed at the oysters.
In the past six months, the executives of Jingdong logistics died, while advancing technology decoupling, while meeting, discussing, discussing the rights and interests – It is simply in the intersection of humanities and technology to use life command traffic.
Decoupling can not close the door, Jingdong logistics practice is to find the best-looking enterprises in various industries, accelerate the decoupling progress bar in actual battle.
Wang Qiang told me that I recently served a world’s five hundred car companies in Jingdong logistics, Volvo.
In all parts of the country, there are Volvo’s 4S shop and certification repair factories, and all parts need to be all spare parts every day. You understand, the accessories on a car are tens of thousands, even more than one thousand new energy car parts, so many models are sent to hundreds of sites in the country, and the supply chain is Hell mode.
"Explosive Chart" of a car.
Hesi will be defeated, Volvo finds Jingdong logistics to engage in a wave of deep cooperation – deep forecast, intelligent replenishment, global simulation, dynamic search source, can be gave up. Sure enough.
The new system has reached 95% compared to the previous one-time order, and the performance of the performance is 20%, and the management can increase by 38%.
Wang Qiang can bring the data into a brain.
The news of the car and enterprises is very good, and it does not look at the efficacy of advertising. Not long, other brands have also found all kinds of Jingdong logistics: you gave Volvo, we also come to a same package. . .
Volvo is not a lonely, in the last or two years, direct sales brand Amway, footwear brand Skeic, dairy brand Yili, major companies in all industry companies realize the urgency of supply chain reform, and many of Jingdong logistics has explored a lot. cooperate.
At this moment, Jingdong Logistics is just over, while continuing to advance its own technical decoupling, while trying to serve the customers, they are busy.
Nearby Say, Yu Rui gave me an interesting observation:
There are many old brands in all walks of life, recently can’t see their figure in the big shopping mall.
In fact, their operations do not have any problems, just in the "Strong Shutdown", take the initiative to give up the traditional agents and channels, and establish a "intelligent supply chain system" step by step, master the details of the goods in their hands. .
Whether these big companies are still our Jingdong logistics, they have seen the future. We believe this future, so we are trying to play the role of the future world.
He said.
I have an jungle in front of my eyes, big fog, quiet, but some people are deciding to walk towards a direction.
(5) a socket of a society
Historical truly turns, often more quiet than imagination.
From the surface, "supply chain technology" is the difference between inventory and turnover, is "cheap" and "expensive".
But the essence, "supply chain technology" is the ability to transport larger materials to the designated location in the specified time, and is the difference between "energy" and "unable".
In my opinion, although the supply chain technology is rooted on the Internet and the business, it will never stop in business.
This truth has already been seen.
In 2020, the new crown epidemic just broke out, Wuhan Fengcheng, mask was shortaged. This extreme situation has fully exceeded the business experience border.
Due to isolation policies, Jingdong logistics staff can’t enter Wuhan Central Warehouse; while Fengcheng Policy stipulates that even if there is a special task, once it enters Wuhan, it must be isolated, and it is not possible to go out again.
No one knows when Wuhan is unsappur, and Jingdong Logistics will be stranded, and the loss cannot be estimated.
If you make a pros and cons calculation according to commercial parameters and logic, the best choice is in the main page of Jingdong to show out of stock.
But the actual situation is exactly the opposite. Some epidemic do not affect the area (just because of panic and snapped up masks) will see out of stock, but Wuhan users have never been out of stock.
Back to the historical scene: in the virtual world, a batch of orders is issued; in the real world, the truck of Jingdong logistics is like a bullet, and there is no need to reverse the smoke.
The courage, determination and sacrifice of the driver and express delivery are worth admiring.But the technicians and technology behind them should also be warm and trustworthy.
That Spring Festival, Jingdong Retail and Jingdong Logistics Supply Chain Team emergency overgent, all previously mentioned supply chain technologies were transformed and called:
People are buying masks, so demand data has fallen. The sales prediction system has been adjusted and turned according to the national epidemic model, combined with epidemics model, to develop the real needs of each urban epidemic prevention material for each province to determine the number of supplies;
The inventory balance system is in the first time of the "Digital Twins", the Wuhan Center warehouse is taken away, and the inventory of the surrounding province is automatically rejected, and Hubei is supported by the highest efficiency;
Epidemic prevention and control needs, the warehouse people in all parts are insufficient. Automatic sorting equipment and courier vehicles have been dispatched, unattended and unmanned distribution;
The logistics scheduling system cancels all the programs that enter Wuhan’s trucks, and the country’s trucks are returned to balance in the shortest possible time.
In this way, a supply chain system originally used for balancing costs and user experience has been transformed into a social support system for calculation time and life.
In these moments, the supply chain technology shines as a more essential light of a society "base".
From a local perspective, the supply chain technology is a warehouse in the park, a truck running on a road, and the sweat of the little brother is sprinkled up and down, they are too flat.
However, when these local connectments are integral, they will transition becomes a living body. This body is silent, but it can perform a social will of steel without discount.
It is awake around us.
Whenever the sun is rising, we brush your teeth, put on the shoe morning exercise, buy a cup of coffee on the store. It is still familiar with what you use. Just, they came to your way to the same day.
The dark tide under the water is surging, and it has never been a chapter of the waves.

Come to the future

Just not pop


In the future, we are all children.

Let’s introduce yourself. My name isIn historyIt is a technological reporter who is adequately storytelling.My daily is chatting with the gods.If you want to be friends with me,Shizhongmax.

Oh, yes, if you like articles, please don’t regret you."look in"or"share". Let the interesting soul have the opportunity to meet, it will be a good thing.

Ith in beijing

Which is the best computer class?Choose the most important thing for you

What professional direction is the most popular?Computer class profession is definitely the first to rush, then which one is the best in computer class?How to determine which direction is suitable?Talk to me today and talk to me.

These majors are all computer classes, and some are not very familiar.There are now many schools in accordance with a large-class enrollment, such as a computer-class enrollment plan of a 985 college, including computer science and technology, software engineering, network space safety, artificial intelligence.Colleges and universities are first in accordance with the large-class enrollment. After studying for a period of time, everyone fully understands the development of the various directions, and then depends on specific professional directions.

Next we detailed analysis about the direction of several popular computer class, and these professional parents and students asked more than, you can also determine which direction to look more suited to their development.

computer science and Technology :

This is the most common, this is the main professional design and manufacture of computer research, research carried out by computer to obtain information, representation, storage, processing, control theory and a method of discipline and so on. Computer Science and Technology is the theoretical basis of the most professional, learning content including computer hardware, software and applications, are software and hardware must learn.

The main will learn the core curriculum includes computer composition principle, assembly language, high-level language, database theory, computer architecture, computer networks, algorithms and data structures, artificial intelligence and so on the basis of courses related to computer science; but also to learn mathematical courses, especially in discrete mathematics, theoretical computer course is the basis for the system, so the math is more important; there are electrical courses, you want to understand computer hardware research, we must learn to circuit analysis, analog electronics, signal and curriculum system; another part of the software are also included learning, such as the class teacher so that we may be compiled some simple game, in fact, is also more difficult to develop when you may want to reach thousands of lines of code. So this type of professional practice for you, hands-on ability, or the high demands. There have to be able to sit tight bench research students would be more appropriate. If future graduation to become a programmer, it may take a whole day sitting in front of computer office, if you simply like to play computer games, it’ll have to think about whether they fit the.

Software Engineering:

This professional can be said to be derived in computer science and technology on the basis of practical direction, is specialized in software content direction, during school, more emphasis on training students practical ability. But also to be more focused on the project, in addition to software design developed also stressed the need for maintenance and management of late, forming a project. From requirements analysis to software design, to test, to link maintenance, etc. must take into account.

In fact, these two professional can do a lot of cross-cutting work, but there are some differences, emphasis on theoretical computer science and technology research, large and more solid foundation, but the undergraduate level is not so fine, if you want to continue postgraduate studies, then you can consider computer Science and technology; software engineering small but strong practical number, if you direct employment, consider software engineering, employment would be more handy, graduation general will be able to find suitable jobs in related businesses, if graduate You might do some research and development work. But then some after school tuition for two years the software will be 1 million or more to see whether the bear family, if that high tuition fees, but also to choose computer science and technology.

It should be noted that this is a technology-oriented fields, technology upgrading is very fast, you have to constantly learn new knowledge, college graduation is not the end, for many people that is the starting point. Later to continue to learn personal development is very important, as long as the need for programming where you need software talent, as long as the skillful employment to worry about. But there are some hard, may often work overtime, but the salary is quite good. Like all kinds of programming algorithms and research students may wish to try.

Next we say two computer class talent gap is relatively large, and have more professional development.

first of allData Science and Big Data technologies:

In simple terms, this is a big professional data-centric research object, we found a large data collection, processing, computation, analysis, application, is a cross-discipline, to learn and to apply mathematics + + computer-related statistics knowledge.

This is a national strategy and follow the professional development needs of the information age, powerful place Big Data technology, is able to determine, even if those opportunities are relying on experience may not be able to discern and future development. The earliest applications can be said that field of electronic business, take advantage of big data to understand consumer buying habits, predictive popular consumer trends, and so on. We have now entered the era of big data, municipal transportation, medical industry, the financial sector, unmanned, and so on, all aspects are inseparable from the support of big data. And the salary is relatively high, especially master degree, overall development will be better.

Then there is theinformation security:

It can be said of the Internet and network security are closely related to each of us, we often say that holding a cell phone you can go out, you can online shopping, mobile payment, then the reason why we can be so convenient, that is because our network information security Gu can be proud to protect.

The essence of information security is to protect information networks, information resources information system against all types of threats, interference and sabotage, which is to ensure the security of information, simply: research is how to ensure information security science and technology .

This is also a cross-discipline, will involve the content of mathematics, computer, communications, electronics, legal, of course, the emphasis will be focusing on computer and math, so you need math skills, ability stronger. If you want to learn the studious precision, there are still difficult, and the best are interested in this field. In recent years with the development of Internet technology, information security has become increasingly important, whether national, corporate or personal, for the protection of information more and more attention. According to statistics, as a large domestic payment platform, more than a billion times a day subject to hacker attacks, so this time we need to learn network information security talent to help us protect the information security personnel demand is constantly growing of.

These professional direction from the salary to the future development are relatively good, as to which is best? I think that is the most important of their own! Choose the time, to fully integrate their own situation, hobbies, job development and other comprehensive factors, make the most reasonable judgment. I hope my share to help everyone!

The three major paths boost the city to implement the "double carbon" goal! Artificial intelligence

Recently, the National Industrial Information Safety Development Research Center and Baidu Intelligent Cloud Comnthetic "Artificial Intelligence City" Double Carbon "Target Rendenerability Rendenever." The white paper is based on the "double carbon" strategy, combing the connotation and key areas of the city’s "double carbon" target, analyzing the path of the "double carbon" target of artificial intelligence city and the exploration practice of major cities, and proposed corresponding The initiative suggestion is to provide reference to the maximum effectiveness of manual intelligence, driving urban green low-carbon development.

White paper pointed out that artificial intelligence as a strategic technology that led the new round of technology revolutions and industrial change, accelerating integration with economic and social development, and gradually became an important means to help the city’s "double carbon" goals.

White paper mentioned that artificial intelligence mainly passed the three major paths to help the city to implement the "double carbon" goal: one is to help reduce its own carbon emissions, use deep learning algorithms, open source platforms, etc., reduce artificial intelligence technology itself in the data center, model development Carbon emissions; second, the second is to monitor urban carbon emissions, through intelligent sensors are closely perceived, satellite remote sensing distance observation, using artificial intelligent monitoring platform to integrated urban carbon emissions, can realize tracking, learning, simulation of carbon footprints, etc. Effectively help urban predictions and optimize carbon emissions; third is the key area of ??"double carbon" in the city, promote carbon emission reduction through three dimensions of key industries, urban governance, and public life, through promoting low-carbon circulation and carbon transactions Market construction increases carbon absorption, realizing carbon neutralization.

The white paper also mentioned that many cities have now actively explored in terms of artificial intelligence cities "double carbon" goals, and have achieved certain results, but the future still needs further development: to build digital bases, strengthen new foundations The green low-carbon orientation of the facility; to find the carbon home, play the role of artificial intelligence in "double carbon" target management; to simulate carbon footprint, use artificial intelligent solution to optimize carbon emission path; to empower new scenes, explore practice New model of "double carbon" strategy in the city; to build a "double carbon" platform, promote new technologies such as artificial intelligence to achieve "double carbon" goals.

According to disclosed reports, my country has announced to the world that it strives to achieve carbon-up peaks 2030, and 2060 years ago. The "Double Carbon" goal has fully reflected the responsibility and responsibility of China as an international big country, and it will also force my country’s energy consumption transformation, and the industrial upgrading has brought energy consumption in the form of energy consumption.

The B station behind "breakfast", the quarter net loss festival is high, still "buy buy"

Radar Finance Products | Wu Yanfu Edited | Deep Sea

On November 29, the total of the B station broke 100 million. B Station and the Chinese Academy of Social Sciences, the People’s Cultural Publishing House released the 2021 barrage "break".

According to the official explanation, "breaking" this is the game term, meaning the use of special physical damage to break through the defense. In the Internet context, "breakfield" has an extension of the meaning: Normally, after the psychological line is broken, it will produce an inhibitable vibration.

The B station behind "breaks", after the "Shou" video is broken, the revenue is rapidly enlarged. However, the company’s net loss continues to increase, until the first three quarters in the first three consecutive quarters, and the gross profit margin decreases. In the current income composition, the highest value-added service of the proportion is repeatedly complained, recently being named by the Shanghai Security Committee. Mobile gaming business has fallen sharply compared to early days.

In addition, the B station has over 700 million in three quarters. However, this did not stop the B station "Buy Buy", the company has acquired "there is a demon" comics with $ 11 billion, and has obtained a financial license with 118 million yuan.

Net loss continues to increase three quarters

In the third quarter of 2021, the B station camp received 5.207 billion yuan, an increase of 61% from the same period last year. In the end, the B station has a net loss in the third quarter of the third quarter, an increase of -144.01% year-on-year.

This is already a loss of loss in the third consecutive quarter. In the fourth quarter of last year, the amount of B-station net loss was 844 million yuan, rose to 905 million yuan in a quarter of this year, and the amount of loss in the second quarter expanded to 1122 billion yuan.

The company’s gross profit margin in the third quarter of 2021 was 2.3.62% in the third quarter of 2020 and dropped to 19.55%. The gross profit margin of the B station has continued since 2021, and the gross profit margin in the third quarter is the lowest value since the fourth quarter of 2019.

After the gross profit margin, the company’s operating costs in the third quarter also climbed 70% to 4.188 billion yuan.

Specifically, the total operating expenses of the B station is RMB 2.897 billion, an increase of 57% from the same period last year. Sales and marketing expenses are 1.66 billion yuan, increased by 37% year-on-year; mainly due to the promotion of 哩 哔 哩 哩 哩 哩 应用 哩 哩 哩 所,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, .

The increase in marketing costs brings an increase in users. In the third quarter of 2021, B is 267 million, and the mobile terminal is 250 million, and 35% and 36% increase from the same period of 2020. The monthly payment is $ 0.24 billion, an increase of 59% from the same period last year. At the same time, the user’s daily use of 88 minutes, which is the highest record since the B station operation.

Chen Rui, Chairman and CEO of the B-Station Board, said that in the peak season of the summer, the user told the growth, the interactive level of users reached a historic high, and the company’s income continued to grow. This description reflects from the side, and the user growth in the third quarter is affected by a certain seasonal.

The increase in users has brought a substantial increase in the company’s value-added services, which is nearly doubled from the same period last year.

In the income composition, the mobile game revenue in the B station is 1.392 billion yuan, an increase of 9% year-on-year. The value-added service revenue is 1909 million yuan, an increase of 95% year-on-year. Mainly due to the company’s advancement of commercialization, and the company value-added services include large membership, live service and other value-added services have increased. The advertising revenue is RMB 1.172 billion, an increase of 110% year-on-year. E-commerce and other turnover is 734 million yuan, an increase of 78% over 2020. Mainly due to the increase in the sales of products of the company’s e-commerce platform.

In addition, mobile game revenue is reduced, and advertising and e-commerce and other shareholders have increased. In the first quarter of 2020, the income of mobile games accounted for 49.69%, value-added services 34.27%, advertising 9.25%, e-commerce and other 6.78%; 2021, the value corresponding to 26.73%, 36.66%, 22.51%, 14.10%.

In the first quarter of 2018 and the first quarter of 2019, the B station mobile game accounted for 79.38% and 63.54%, respectively.

Investment loss is still "buy buy"

It is worth noting that B stood in the financial report, net investment income mainly includes returns earned by financial products issued by banks and other financial institutions, as well as the fair value of the investment of listed companies. B stopped in three quarters of net investment was 724 million yuan. The same period of 2020 was an investment income of 014 million yuan, which was mainly due to the fair value of the investment of listed companies.

At the same time as the B station investment is damaged, its own share price is too low. As of November 29, B. Hong Kong stock stock price has reached 31.80% in nearly six months.

Although the investment loss, the B station expansion is still continuing. On November 19, Offei released an announcement on sell wholly-owned subsidiaries. It is expected that 100% equity of Beijing April Xingxian Network Technology Co., Ltd. (with demon anime) will be given to Shanghai Pi-Dynamic Information Technology Co., Ltd. (hereinafter referred to as "Shanghai Magic)). Among them, Shanghai Pirading is a total partnership company in B.

On the same day, Ningbo Public Resource Trading Network Disclosed, Zhejiang Yude Electronic Payment Co., Ltd. (hereinafter referred to as "Ying Yu pay") 65.5% of the equity was eventually taken by Shanghai Guan Yu Digital Technology Co., Ltd. The latter is also a wholly-owned subsidiary of B. Among them, 易 支 照 照 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全 全

The automatic deduction of large members is three days in advance, and the relevant issues have been complained.

And the current income of the B station accounts for the largest value-added services, which has been repeatedly complained.

Among them, the accumulated complaints in the black cat complaint platform reached 8,256, and Nearly 30 days Negative 615. The complaint problem involves the repeated charge of the continuous monthly member, and the big member is continuously renewed for two years. After recharging, the members will not arrive in the account. The relevant complaints of the big member, the problem of B currency deficiency, membership purchase or leakage is also in the consumer’s complaint.

In addition, on November 23, the Shanghai Consolidation Committee said that some apps have an automatic deduction in advance. Among them, in the automatic renewal service of the B-station, WeChat and Alipay purchase accounting cycle expires 3 days ago to deduct the cost of the next billing cycle, while Apple iOS channel automatic deduction rules take Apple’s provisions and actual deductions. It is accurate.

The Shanghai Consumer Protection Committee believes that the practice of 3 days in advance violates the principle of voluntary equity, but also shortened consumer selection cycles, causing many consumers to cancel the idea of ??cancellation. "

The next day, the B station responded, the company attached great importance to it, the first time to self-examination, and will immediately optimize, and adjust the automatic renewal period to "deduct ahead of 24 hours in advance".

Radar Finance will continue to pay attention to the follow-up development of the B station.

Note: This article is original in Radar Finance (ID: Leidacj). Reprinted is prohibited without authorization.

Leylah Fernandez Stuns Naomi Osaka at the US Open

By Christopher Clarey

Naomi Osaka, the defending women’s singles champion, was upset 5-7, 7-6 (2), 6-4, in the third round of the U.S. Open on Friday night by Leylah Annie Fernandez, an unseeded 18-year-old from Canada.

The 73rd-ranked Fernandez, a quick and dynamic left-hander, had never faced Osaka, but she did not appear intimidated, clenching her fist after winning key points and often dictating play with her topspin forehand.

It was a memorable evening for teenagers in Arthur Ashe Stadium. In the preceding match, Carlos Alcaraz, a dynamic Spanish 18-year-old, eliminated the No. 3 men’s seed, Stefanos Tsitsipas, in a momentum-shifting thriller that came down to a fifth-set tiebreaker. That was the final match of the day session and when the arena was cleared and the night-session crowd took their seats, Fernandez followed Alcaraz’s lead, rallying to defeat the third-seeded Osaka.

The upset came on the same court where Osaka became a global star by surprising Serena Williams to win the 2018 U.S. Open. Osaka has since won three more Grand Slam singles titles, including last year’s Open.

Osaka broke Fernandez’s serve at 5-5 in the second set with a backhand winner and then served for the match. She had not faced even a break point at that stage but was unable to close out the victory. Fernandez went on to win the first five points of the ensuing tiebreaker, prompting Osaka to hurl her racket to the court. Fernandez then evened the match at one-set apiece.

“I guess I wanted to stay on the court a little bit longer, and I wanted to put on a show for everybody here,” Fernandez said in her post-match interview. “One hour was just not enough for me on court.”

Fernandez quickly took the lead in the third set by breaking Osaka’s serve again in the opening game and though Osaka began to find her range in her own service games, she could not solve Fernandez’s slower left-handed serve. Osaka did not hide her frustration. After Fernandez hit a net-cord winner in the second game of the final set to go up 40-15, Osaka took hold of the ball and smacked it high into the stands, receiving a code-violation for ball abuse.

Fernandez would face no break points on her serve in the final set and when it came time to serve for the most significant victory of her career, she held at love. At 30-0, she hit a terrific backhand drop shot winner and on her first match point, Osaka misjudged a forehand and hit it wide.

Arms up and smiling, Fernandez jogged forward to the net for the handshake. “From the very beginning, right before the match, I knew I was able to win,” she said.