268. Chapter 268 Astonishing yield rate


Chapter 268 Astonishing Yield

During the entire experiment, Ning Chen had carefully recorded the actual errors of each step and made a detailed comparison with the previous simulation.

In the evening, after returning to his room, Ning Chen adjusted his state and prepared to analyze the data.

"Unfortunately, I didn't bring Xiaozhi here this time, so I can't use Xiaozhi to do the modeling work. But even without Xiaozhi, I believe I can solve it alone. These questions. ”

With the blessing of the focus state, Ning Chen is even more powerful. He can improve his brain’s thinking speed and concentration by turning on the focus state anytime and anywhere.

Moreover, there are no negative effects when using such skills. As long as you maintain a good enough state, you can activate this skill at any time.

“System, turn on the focus state!”

[The focus state has been turned on for the host]

The moment he heard the system’s reply message, Ning Chen felt, My brain immediately entered a better state.

Ning Chen quickly analyzed and thought about these issues, corrected the errors that occurred in the experiment, and re-established more suitable experimental conditions.

Losing Xiaozhi's help made Ning Chen less efficient at work, but this would not have a fundamental impact on Ning Chen's ability to solve these problems.

Xiaozhi has always played a supporting role for Ning Chen, allowing Ning Chen to quickly generate inspiration and improve Ning Chen's work efficiency.

But Xiaozhi has never gained the initiative from Ning Chen, which also allows Ning Chen to maintain a dominant position and not become a puppet of artificial intelligence.

An hour later, Ning Chen's energy dropped slightly and he automatically jumped out of his concentration state.

After breaking away from the state of concentration, Ning Chen did not continue working, but stopped to rest for a while, quietly waiting for his state to recover.

Since these problems are very difficult, Ning Chen hopes that he can stay focused so that he can better solve these problems.

It wasn't until Ning Chen felt that his energy had recovered well that he turned on his concentration state again and continued to attack these problems.

In this way, Ning Chen activated the concentration state several times in one night, and finally came up with the ideal experimental conditions.

"Unfortunately, without Xiaozhi around, we can't use Xiaozhi's modeling processing capabilities to verify these experimental conditions."

Even so, Ning Chen is not satisfied with the new test he launched. The experimental conditions are still very confident, and the final results will be verified through experiments.

The next day, Ning Chen came to the photolithography factory again with everyone to discuss the morning meeting.

After returning home yesterday, everyone thought about some optimization solutions for the chip lithography process. However, due to time constraints, it was difficult for everyone to come up with better solutions immediately.

"Teacher Ning, do you have any good ideas about improving exposure energy and focal length?"

Seeing that no one gave a good solution, one person asked Ning Chen asked.

It was Ning Chen who proposed such an improvement direction yesterday. Everyone else also wanted to know whether Ning Chen had really formulated a more detailed plan.

Upon hearing this question, Ning Chen directly stated his plan from last night without any excuse.

"Yes, I did come up with some plans last night. Of course, whether these plans will have good results in the end still needs to be verified through the experimental process..."

After listening When Ning Chen explained the plan, everyone had a look of surprise on their faces.

Because according to their previous assumptions, Ning Chen would only propose a rough plan at best, such as setting up multiple different experimental intervals, and then finding the most suitable ones one by one within these experimental intervals. experimental conditions.

This is a relatively normal experimental idea, but in this case, the workload of the experiment will be very huge and the time consumed will be relatively long.

However, the experimental range set up by Ning Chen was very precise. To exaggerate a bit, Ning Chen had almost given the exact experimental conditions.

"Teacher Ning, do we really only need to do these experiments? Do we need to expand the range of exposure energy and focal length, and do more experiments to determine the final experimental conditions?"

“This cannot be determined yet, but this is the most suitable experimental condition I have introduced so far. My suggestion is to give priority to using these data for experiments. If there is sufficient time in the future, the scope can naturally be expanded. , to further verify whether this is the most suitable experimental condition."

Ning Chen's words still leave a lot of room for improvement, but in fact, Ning Chen is very confident in the data he has introduced. Too many meaningless experiments need to be done, which is a waste of time and resources.

At this time, a scientific researcher from the photolithography factory said:

"I heard before that Teacher Ning has the ability to introduce suitable experimental conditions before the experiment starts. I think we can just follow Teacher Ning's suggestions. Anyway, we always have to choose several experimental conditions first. The worst will happen later. Just conduct experiments in other intervals.”

In fact, most people in Warwick believe in Ning Chen. The few people who have some doubts about this plan do not disbelieve in Ning Chen. Ability, but Ning Chen's ability is more in mathematics and materials science, and has not been involved in the field of chips before.

After confirming the experimental arrangements, everyone prepared for the experimental work.

Ning Chen did not do it himself, but he did not relax at all. He carefully observed everyone's every move and ensured that the entire experimental process was carried out strictly in accordance with his own ideas.

Everyone’s operation did not disappoint Ning Chen. The entire team of scientific researchers and operators were carefully selected by Warwick and have very strong professional qualities.

With the joint efforts of everyone, the photolithography factory began to process the next batch of chips.

During this period, Ning Chen was very much looking forward to the final chip results, but before seeing the finished chips, Ning Chen could only wait silently for the final results.

Because many processes have been prepared beforehand, this greatly shortens the chip processing cycle.

If everything goes well, the photolithography factory will be able to process the finished chip on the same day.

In the afternoon, the new batch of chips was finally processed smoothly.

Ning Chen and others rushed to conduct quality inspection on this batch of chips, looking forward to the final quality inspection results.

After some basic inspections, the preliminary chip quality inspection results were finally released.

"Teacher Ning, the quality of our batch of chips is much better than the previous batch! Whether it is performance testing, reliability testing, power consumption evaluation, or area evaluation, they are all better than the previous batch. The chips have been improved to varying degrees!”

Everyone was very happy to get such a result. Although this kind of evaluation is only a relatively preliminary evaluation, it is enough to show that Ning Chen's improved experimental conditions have immediate effects.

Everyone is not sure whether we will get better chips if we continue to improve the experimental conditions, but even so, it will require a lot of experimental work, and it will take months or even years to get better chips. for ideal results.

Now, the projects of photolithography factories can be said to be racing against time. They can no longer spend several years on chip research and development, but need to improve the processing technology of high-quality chips as soon as possible.

Next, Ningchen organized the scientific research team of the photolithography factory to continue to conduct more detailed inspections on this batch of chips.

What makes everyone happy is that this batch of chips still performed very well in subsequent tests.

Whether it is the processing speed, response time, or power consumption control of the chip, they are all at a very high level.

What surprises everyone even more is that the yield rate of this batch of chips is also very good.

Although the current number of samples is still a bit small, detailed statistics show that the yield rate of this batch of chips has reached about 80%.

Such a chip yield rate is not even lower than that of the world's top chip processing manufacturers.

These chips can not only be used in quantum computers, but are also fully capable of being installed on Warwick mobile phones.

After the test, Mr. Ren quickly learned of the news and came to the lithography factory to discuss various test data of these chips with Ning Chen.

"Teacher Ning, I really didn't expect that we could get a chip with such excellent quality so quickly. I wonder if the processing technology of this chip can be applied to your quantum computer?"

Hearing from Mr. Ren Ning Chen nodded and replied:

“The quality of such a chip is enough. In fact, as a quantum computer, because it is not mass production, there is not much requirement for the yield rate of the chip. It will not have much impact on the cost. "

At present, quantum computers will not be a popular computer, and only a very small number of scientific research institutions, universities, and technology companies can afford it.

In this research, Ning Chen also focused on the performance and power consumption of the chip, and did not deliberately consider the yield rate of the chip.

But what surprised Ning Chen was that the yield rate of this batch of chips still met the requirements for commercialization.

Unlike quantum computers, if the yield rate of mobile phone chips is too low, even if Warwick can produce high-performance chips, the company will still lose money.

Before this, Warwick Company had also been prepared to suffer losses. As long as it could overcome the problem of limiting chip supply, temporary losses were acceptable.

"Teacher Ning, I just saw that after improvement, the yield rate of the chip has reached 80%. Has this reached the level of application?"

"Yes. , with such a chip yield rate, we will definitely not lose money in producing chips, and it will even be cheaper than purchasing chips from other manufacturers. "
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After receiving Ning Chen's affirmation, Mr. Ren was very happy.

Warwick Company has made a very large investment in the photolithography factory project. Even if Warwick Company is willing to bear losses, it is impossible for this situation to continue for a long time.

Ning Chen’s arrival directly greatly shortened the time for the photolithography factory to enter the application stage, and everyone also saw the hope of this day coming.

......

After obtaining the ideal quantum chip with the 14nm process technology at the photolithography factory in Shenzhen City, Ning Chen returned to Shengzhou with the chip with satisfaction.

As time passed day by day, other components of Quantum Leap were manufactured and shipped to Shengzhou.

Ning Chen has prepared the quantum laboratory in advance and formed a team specifically responsible for managing and maintaining this quantum computer. After all the components were processed, the assembly of the quantum computer began.

Different from the assembly of ordinary computers, the assembly of quantum computers is a very complicated task. The entire assembly process needs to be very precise. Even a slight error will affect the performance of the quantum computer. Performance is severely affected.

In order to better complete this work, Ning Chen specially found some team members of the Chinese Academy of Sciences who were involved in the "Galaxy Quantum Computer" project and came to Shengzhou to help with this work.

It is not easy to invite these experts from the Chinese Academy of Sciences, especially for a private company like Xingchen Technology.

But because of Ning Chen's relationship, such a thing became a reality.

With the efforts of everyone, it is expected that the assembly of Quantum Leap will be completed within half a month.

At this time, a new message appeared.

Google officially released a quantum computer independently developed by them and named it "White Eagle".

As soon as this news was released, it immediately aroused heated discussions around the world.

According to official news from Google, the performance of the White Eagle Quantum Computer is excellent in all aspects, not even inferior to the Galaxy Quantum Computer previously released by the Chinese Academy of Sciences.

In his spare time, Ning Chen chatted with experts from the Chinese Academy of Sciences about Google’s White Eagle quantum computer.

“Although White Eagle seems to perform better than Galaxy according to the data released by Google, in fact, after many optimizations, Galaxy’s performance has improved a lot compared to the beginning.”

And this, not counting Xinghe, was already a product three years ago, and the gap between the two is self-evident.

"Yes, and the practicality of White Eagle is far less than that of Galaxy. Simply being fast is meaningless. It must be able to solve some practical problems."

"Google is eager to release a quantum computer and try to make the data appear very powerful. I am afraid it is also because the Android system market is occupied. During this period, Google's stock price has dropped a lot, and it is in urgent need of an explosive news to stabilize the company’s stock price.”

Ning Chen also carefully studied the data released by Google and knew that this quantum computer is not as powerful as everyone seems.

(End of this chapter)

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