Zhou Linlei came to Anhe to work as a temporary chief engineer at Hongze Electrical Machinery Factory, and even helped Qin Hai perform a show to trick Liu Xuping, all because Qin Hai promised to solve technical problems related to the aircraft carrier catapult for him. △Now he should
All the work has been done, and it's time to ask Qin Hai for something in return.
"Mr. Qin, I am a dignified aircraft carrier engineer, and I have come to work for a small motor factory like yours. As the chairman, you have to express your gratitude, right?" Zhou Linlei tried his best to pretend to be experienced in the world.
Xiang Qin Hai said. However, his slightly red face revealed his truth. This old man is really not good at this kind of bargaining trick.
"What Zhou Gong said is absolutely true." Qin Hai said while holding back a smile, "In order to thank Zhou Gong for helping us, our group has specially prepared some Anhe local specialties. When Zhou Gong leaves, I will arrange for someone to give it to you.
We will send it to the airport and help you check it in, so you won’t need to spend any effort on the weekdays.”
"Souvenirs?" Zhou Linlei waved his hands repeatedly, "I don't want this."
"What, do weekly workers need cash? Oops, this is a bit inconvenient for us financially. How about I ask the accountant to think of a solution?" Qin Hai frowned pretendingly. In fact, there is nothing difficult about this. It's just that
Qin Hai knew that it was absolutely impossible for Zhou Linlei to accept cash remuneration. Even if Qin Hai wanted to give it, Zhou Linlei would not take it, so he said this deliberately.
Sure enough, when Zhou Linlei heard the word cash, he became even more embarrassed, and his face turned purple: "Xiao Qin, you must not do this. I was instructed by Mr. Ji to help you, and this is also mine.
If I take your money for my job, it would be a violation of discipline, and this is absolutely not allowed!"
"You don't want souvenirs. And you don't want cash. So what did Zhou Gong mean when he said he expressed his gratitude just now? I don't quite understand." Qin Hai said.
Zhou Linlei said nonchalantly: "Isn't this something very clear... You promised me a lot of things at Mr. Ji. Now that your problem has been solved, shouldn't you also consider how to help our troops solve the problem?"
"Haha, so that's what happened. Zhou Gong, you said this earlier, wouldn't it be fine?" Qin Hai laughed and said.
"You Xiao Qin, I knew you would definitely understand. You just deliberately teased me, an old man, right?" Zhou Linlei pretended to be annoyed and reprimanded him. He is over 50 years old, and he can claim to be an old man in front of Qin Hai.
Now. It was not fashionable to act young back then, and everyone was proud of being old.
Qin Hai knew that Zhou Linlei was an honest man who focused solely on his aircraft carrier career. So he couldn't pretend to be stupid anymore. He nodded and said, "Don't worry, Mr. Zhou. I already made a mistake as soon as I returned to Anhe a few days ago."
Start arranging this matter. I have learned that the research on graphite lubricating materials has now made a big breakthrough. It is expected that industrial production of finished products will be available within a year. The research work on supercapacitors has now been completed.
A team was arranged. Superconducting research is carried out by the Superconducting Research Center of Beijing University. When I was in Beijing, I talked with Professor Chen Zongze. He was very confident. As for rare earth permanent magnet materials..."
"I have already discussed this with Teacher Sun Yuzhi. The cerium-based permanent magnet material he is currently working on does have great potential, and I am very confident about it." Zhou Linlei answered for Qin Hai.
Qin Haidao: "Yes, I have also talked with Professor Sun. He said that he has understood your needs and will soon transfer his energy to this aspect."
"This is great!" Zhou Linlei's face beamed with joy, "I am unable to solve so many problems. I didn't expect that you can solve them easily in Xiao Qin. No wonder Mr. Ji values you so much."
"Haha. Zhou Gong, you haven't finished asking yet. Don't you care about the igbt issue?" Qin Hai asked.
"igbt..." Zhou Linlei shook his head, "This is a bit difficult. It's all on you, Xiao Qin, and I can't bear it. You don't know, after I talked with you at Ji Lao's place, I
I wrote a report to the research institute, proposing to purchase some igbt components abroad. The research institute has reported this report to the Science and Technology Commission. We will definitely master the igbt technology in the end, but in the short term, through procurement
It is still feasible to make up for the technical shortcomings.”
The so-called igbt is the abbreviation of "Insulated Gate Bipolar Power Transistor". In the simplest terms, it is a high-power electronic switch that can switch on and off by controlling the voltage on the gate.
.Compared with mechanical switches, the response speed of electronic switches can be as high as hundreds of thousands of times per second, and there is no worry of damage due to repeated switching. The transistor in the radio is also an electronic switch, and igbt can be regarded as
A special triode, which is characterized by higher withstand voltage, larger current, faster speed and better reliability, etc.
The concept of igbt was first proposed in the late 1970s, and was successfully developed by the American ge company and rca company in the early 1980s. From 1986, igbt began to be officially produced and gradually formed a series. In the following years, igbt
The technology is constantly updated. The first generation appeared in 1988, called the plane penetration type; the second generation appeared in 1990, which was an improved plane penetration type; the third generation appeared in 1992, which is the groove type; in 1997
In 2001, the fourth generation appeared, which is called the non-penetrating type; in 2001, the electric field cutoff type appeared; in 2003, the trench type electric field cutoff type appeared...
There is a reason why semiconductor manufacturers are constantly innovating in IGBT technology, and that is that IGBT is used in a wide range of areas. It ranges from rail transit, aerospace, electric power, petroleum and other pillar sectors of the national economy, to frequency conversion home appliances, digital cameras,
IGBT can be found in all consumer electronic products such as induction cookers. Such a huge market will naturally attract countless heroes from all over the world to compete.
However, it is not easy to master the manufacturing technology of igbt. Igbt is a device with a very complex working principle, which integrates almost the basic structure of all semiconductor devices. To manufacture an igbt device that meets the requirements involves photolithography, oxidation
, ion implantation, thermal diffusion, deposition of polysilicon and a series of microelectronics manufacturing processes. In order to reduce the on-resistance, engineers continue to reduce the size of unit cells and increase the number of parallel cells. For this reason, the manufacturing process rules of igbt have changed from
5 microns dropped to 0.5 microns, while the wafer size increased from 4 inches to 6 inches or 8 inches.
All these production processes were very difficult for China back then, and there was almost no possibility of a breakthrough in the short term. Because of this, Zhou Linlei did not place too much hope on Qin Hai. In his opinion,
, Qin Hai's ability to solve obstacles such as supercapacitors, superconducting coils, and permanent magnet materials is already very commendable. It would be too difficult to impose difficulties like igbt on Qin Hai.
After hearing what Zhou Linlei said, Qin Hai asked with a smile: "Gong Zhou, the igbt devices used in the aircraft carrier catapult are not ordinary goods. Can they be sold to us abroad?"
"It all depends on people." Zhou Linlei actually didn't have much confidence, so he could only reply, "It's really impossible to buy high-power IGBTs. There are some relatively low-power devices that can barely meet the requirements by combining them in series.
Already."
"But in this case, we are still controlled by others. Zhou Gong really doesn't want to master the core technology of igbt by himself?" Qin Hai continued to ask.
Zhou Linlei said: "How could you not want to? But, Xiao Qin, do you know how difficult it is to process semiconductors? The difference between our country's semiconductor technology and foreign countries is not the slightest, and this technology cannot be achieved casually.
Those who can rush forward."
"Gong Zhou is right," Qin Haidao, "But we can give it a try. It's a pity that we have completely handed over a market as big as igbt to foreign countries. In the future, we will develop our own power transmission and transformation technology, high-speed rail
Technology, if igbt is completely in the hands of others, we will be uncomfortable if someone jams our necks at will."
"What are you going to do?" Zhou Linlei became serious. He heard that Qin Hai was not just talking casually, but had some ideas of his own.
Qin Haidao: "I plan to take a two-pronged approach. On the one hand, we will mobilize domestic semiconductor research institutions and manufacturers to jointly tackle key problems. On the other hand, we will introduce technology to shorten the gap between us and foreign countries. It will take three to five years to initially form our independent IGBT."
Industry, first meet your own needs, and then consider catching up with the world's advanced level."
"I'm afraid the path of introducing technology will not work." Zhou Linlei asserted, "In fact, the Science and Technology Commission has had this idea for a long time, and has also talked with several foreign companies that are leading in IGBT technology, hoping to introduce some technologies.
.However, they are not willing to cooperate with us at all, and there is no need to discuss any issues related to technology transfer."
"I know this." Qin Haidao, "Foreign manufacturers have noticed that we do not have the igbt technology and hope to use it to sell us high prices. Of course, they will not be willing to transfer the technology. However, if we directly sell the technology to those who have this kind of technology,
What about buying the company? Then whether to transfer the technology or not, doesn’t it mean we have the final say?”
"Buy it?" Zhou Linlei clicked his tongue, "Xiao Qin, are you too fanciful? Several of the world's top IGBT manufacturers are giants in the semiconductor field. Not to mention they won't sell, even if they want to sell,
"Haha, Zhou Gong, you are right. However, we can't afford these top manufacturers. Can we try the second-tier manufacturers?" Qin Hai asked with a smile.
"What, Xiao Qin, do you have a goal?" Zhou Linlei heard something in Qin Hai's words and couldn't help but ask.
Qin Hai nodded solemnly and said: "Yes, I have already set my sights on an old British semiconductor company, Nice Company." (To be continued, please search Piaotian Literature, the novel is better and updated faster!