After rebirth, I started a life of attributes

Chapter 211 “Heart of Wisdom”, the first use of photolithography
  "Hehe. I didn't expect to be discovered by you, Lao Li. I really want to use this mini lithography machine to make something."

Chen Fengshanshan smiled, then nodded and said that she did have other thoughts, so she built a photolithography machine by herself.

"You kid, I've long seen that you have "dirty intentions" in your mind. Tell me, what do you want to make with the mini lithography machine?"

Li Nian glanced at Chen Feng, and then asked with curiosity what "baby" Chen Feng wanted to make. He needed to develop a one-nanometer lithography machine himself.

"Actually, the reason why I have to develop a one-nanometer lithography machine myself is mainly because I want to use it to make one." At this point, Chen Feng lowered his head mysteriously, lowered his voice volume, and looked around. Li Nian Seeing Chen Feng being so cautious, he was very curious and put his ear to listen to Chen Feng's shocking secret.

Unexpectedly, he was tricked by Chen Feng.

"Actually, I want to use it to make one. Guess?" Chen Feng said with a mean look.

Suddenly being "stabbed in the back" by Chen Feng, Li Nian was stunned.

I turned my ears over curiously, but you made me guess.

Guess a hammer.

Li Nian instantly went crazy, "snapped" Chen Feng's neck with one hand, and shook him wildly: "Guess, guess, I'll let you guess...!"

"To seduce my curiosity and whet my appetite, right? Tell me what you are plotting. If you don't tell me, our friendship will come to an end."

After shaking Chen Feng crazily, Li Nian threw Chen Feng, who was still smiling, back on the chair.

"No, it's just a joke, there's no need to break up the relationship."

Chen Feng waved his hand, indicating that Li Nianmo was not angry. He was just joking with him to liven up the atmosphere.

"As for what I want to make with the mini lithography machine, it's actually still a chip, just a special chip, used in the field of artificial intelligence."

After the joke, Chen Feng told Li Nian his thoughts.

"I want to use a one-nanometer photolithography machine to make an artificial intelligence chip for robot manufacturing." Chen Feng said seriously.

Li Nian looked at Chen Feng in surprise: "Are you serious? Although the one-nanometer lithography machine is the most advanced technology in the world, it is not easy to make a chip for artificial intelligence. thing?"

Chen Feng smiled: "I know it is difficult, but I am confident."

Li Nian looked at Chen Feng's determination and couldn't help but curiously asked: "Why are you doing this? What effects can this chip bring to robots?"

Chen Feng took a deep breath and began to explain his plan in detail.

“I named this chip ‘Heart of Wisdom.’” Chen Feng said, “It is different from any other chip on the market. It can simulate the neural network of the human brain, allowing robots to have human-like thinking capabilities.”

Li Nian was shocked: "You mean, this chip can make robots self-aware?"

Chen Feng nodded: "That's right. The 'Smart Heart' can learn and evolve on its own according to the robot's usage environment, allowing the robot to truly understand human needs instead of just executing instructions."

Li Nian fell into deep thought. He could not imagine how much impact it would have on the world if such a chip existed.

"This chip can also allow robots to have emotions." Chen Feng continued, "Robots will be able to understand human emotions and establish deeper communication with humans."

Li Nian looked at Chen Feng with admiration in his eyes: "You are really crazy, but this kind of madness makes people excited."

Chen Feng smiled: "I know this is difficult, but I believe that as long as we work hard, we will be able to achieve it."

Li Nian took a deep breath, and then nodded heavily: "Without me, you would definitely not be able to make the "Heart of Wisdom", so I will help you out of the way!"

"Although your idea is very beautiful, how do you plan to realize your idea? You must know that the 'wisdom heart' chip' you envision is a chip that can simulate human thinking. If you want a chip to have such an effect, but Very difficult."

Although Li Nian supports Chen Feng's decision to build a "wisdom heart", Li Nian must first make Chen Feng realize the cruelty of reality.

Li Nian immediately asked Chen Feng a very practical question: "What method do you use to make your so-called wisdom heart chip simulate human thinking?"

In modern research, it is not that no one has thought about giving artificial intelligence the ability to think like humans, and has also researched in this direction, but they have all failed.

It failed without even touching the threshold.

Now Chen Feng wants to solve this problem just by himself and him, two monsters, which is obviously too idealistic.

Looking at his frowning friend, Chen Feng smiled and then said, "Of course I have considered the issues you mentioned."

“As for how to make the ‘Wisdom Heart’ have a human-like thinking effect, this is what I envision:
  "Heart of Wisdom" is based on the neural network model. A neural network is a computational model that simulates the way neurons in the human brain connect and work, improving task performance through learning and experience.

In the "Wisdom Heart", the neural network consists of many interconnected neurons, each neuron is responsible for processing a part of the input information and passing the results to other neurons. This hierarchical structure enables neural networks to recognize complex patterns and structures.

The neural network of "Wisdom Heart" realizes the processing and learning capabilities of large amounts of input data by simulating the connection method of the human brain.

During the training phase, the neural network continuously adjusts the connection weights to minimize the difference between the output results and the actual values. This adjustment process is achieved through an optimization algorithm called "gradient descent".

The gradient descent algorithm adjusts the weights of connections between neurons based on prediction errors, allowing the neural network to more accurately predict outcomes when processing new data. "

After listening to Chen Feng's idea, Li Nian lowered his head and fell into thinking. After a minute, he raised his head and asked: "The idea is very good, but how do you plan to develop the 'neural network model'?"

Facing Li Nian's inquiry, Chen Feng did not panic at all, but told Li Nian the "plan" he had prepared in advance.

“My initial thoughts about the neural network model are as follows: First, design the architecture of the neural network, including the number and connection methods of neurons in the input layer, hidden layer and output layer.

The second is to collect a large amount of data, such as images, sounds, texts, etc., for training neural networks. The third is to preprocess the collected data, such as data cleaning, normalization, etc., to adapt to the input requirements of the neural network.

Fourth, use the training data to train the neural network, minimize the prediction error by adjusting the connection weights, and simulate a human-like way of thinking. "

In the restaurant, Li Nian took a deep look at Chen Feng. Unexpectedly, Chen Feng had already made a preliminary plan. No wonder he told himself that he wanted to develop a chip that could give machine artificial intelligence human-like thinking capabilities.

"Now that you have a preliminary plan, the first step is to design the 'Wisdom Heart' chip architecture."

Li Nian took a bite of the sauced elbow, and then asked Chen Feng when the first step would begin.

Li Nian is also very interested in the "heart of wisdom" and wants to study this direction as soon as possible.

Chen Feng took a big bite of the sauced elbow and said, "After rubbing this meal, we'll start immediately."

After saying that, the two of them tasted the sauced pork elbow at a faster pace.

……

Secret research base.

Deep in the secret research base, Chen Feng and Li Nian were concentrating on their work.

In order to design the chip architecture of the "Wisdom Heart", the two of them have been working tirelessly for many months.

However, the design of the "Wisdom Heart" chip architecture is too difficult, and it is a brand-new chip architecture. It is very difficult to develop a new thing. They want to find someone who can support them in designing the "Wisdom Heart" chip. Only by using the template can the "Wisdom Heart" chip architecture be designed.

This process is full of challenges. They need to refer to a variety of existing chip architectures, and also need to innovate a variety of new chip architectures. Their work is like sailing in the sea, they need to find the direction they need among countless information.

They referred to the existing CPU architecture, which is characterized by high performance and high stability and is currently the most common chip architecture. They hope to provide powerful computing capabilities for the "intelligent heart" by drawing on the design concept of the CPU architecture.

CPU chip architecture includes x86 architecture, ARM architecture, MIPS architecture, RISC-V architecture, Alpha architecture, and PowerPC architecture.

Among them, the only ones that can be used for reference are the x86 architecture and the ARM architecture. The x86 architecture has a rich instruction set and high performance; the ARM architecture is characterized by low power consumption, high performance, and low cost, with a smaller instruction set and efficient microarchitecture.

In addition to the CPU architecture, Chen Feng and the others also referred to the GPU architecture. This architecture is characterized by high concurrency and high performance, and is good at handling a large number of parallel computing tasks. They hope to provide the "Smart Heart" with powerful graphics processing capabilities and parallel computing capabilities by drawing on the design concept of the GPU architecture.

It also refers to the FPGA architecture, which is characterized by high customizability and low power consumption, and can flexibly configure hardware resources as needed. They hope to provide highly customizable capabilities for the "intelligent heart" by drawing on the design concepts of FPGA architecture.

While referring to these architectures, they also innovated a variety of new chip architectures. They designed a new neural network architecture that can effectively improve the learning and reasoning capabilities of the "intelligent heart".

They designed a new cache architecture that can effectively improve the data processing speed and power consumption efficiency of the "Wisdom Heart".

They designed a new bus architecture that can effectively improve the communication capabilities and expansion capabilities of the "Wisdom Heart".

After many months of hard work, they finally completed the chip architecture design of the "Wisdom Heart". This design not only has powerful computing power, graphics processing power, parallel computing power, and highly customizable capabilities, but also has efficient data processing speed and power consumption efficiency, as well as powerful communication capabilities and expansion capabilities.

Looking at the designed "Heart of Wisdom" chip architecture diagram, Chen Feng wiped the sweat from his forehead and slumped down.

After three consecutive months of intense research work, Chen Feng, who was originally as strong as a heeling bull, now became very haggard.

As for Li Nian, it was even worse. Three months of liver damage almost drained Li Nian dry. Now he is sleeping soundly to regain his energy.

"It's no longer possible. If you don't rest, your life will be gone."

With a pop, Chen Feng fell on the mattress on the ground and fell asleep instantly.

……

Ten o'clock in the morning the next day.

Chen Feng woke up from his sleep, opened his eyes and saw Li Nian eating instant noodles.

"Wake up, do you want some noodles?"

Seeing that Chen Feng was awake, Li Nian took a sip of instant noodles and asked if he wanted to make a bucket for him.

"Get a bucket, double the amount." Chen Feng shook his heavy head and said to Li Nian.

Not long after, Chen Feng drank the last mouthful of instant noodles and continued working.

The "Heart of Wisdom" chip architecture diagram was designed, and then we began to use a one-nanometer photolithography machine to produce the "Heart of Wisdom".

First, Chen Feng needs to transform the architectural diagram of the "Wisdom Heart" into an actual physical model. This requires the use of a process called "photolithography." Photolithography is a technology that uses the properties of light to form patterns on the surface of materials. Because the one-nanometer lithography machine they used is currently the most advanced equipment, it can improve the accuracy of lithography to the one-nanometer level.

During the photolithography process, Chen Feng and Li Nian needed to convert the architectural diagram of the "Heart of Wisdom" into a pattern on a substance called "photoresist". Photoresist is a special chemical substance that undergoes chemical changes when exposed to light. During the photolithography process, they need to apply photoresist on the surface of the chip, and then use a photolithography machine to illuminate the photoresist to create the pattern of the "heart of wisdom".

This process is very complex and requires precise control of the intensity and duration of light. If the intensity of the light is too high, the photoresist will overreact, causing the pattern to become blurred. If the intensity of the light is too small, the reaction of the photoresist will be insufficient and the pattern will not be formed. Therefore, Chen Feng and Li Nian need to constantly adjust the intensity of light and the time of exposure to obtain the best pattern.

After the photolithography is completed, they need to put the chip into a liquid called "developer." The developer can reveal the pattern on the photoresist and wash away the unreacted photoresist at the same time. This process also requires precise control of time and temperature to ensure the clarity and quality of the pattern.

Finally, they need to put the developed chip into a device called an "etcher." An etching machine converts the photoresist pattern on the surface of the chip into an actual physical structure. This process is called "etching". The etching process also requires precise control to prevent over-etching or under-etching.

In the end, with the help of a powerful one-nanometer photolithography machine, the "wisdom heart" was successfully manufactured. Chen Feng and Li Nian looked at the chips in their hands and nodded with satisfaction.

"Finally, the core chip has been manufactured. Next, we can install this chip on the smart sample for testing."

(End of this chapter)