Rebirth of Northern Technology

With the return of Professor Wang, the laboratory was finally put into use. This is a nirvana and rebirth of the testing profession.

However, Cheng Yongxing quickly rushed in with his team, occupying nearly half of the experimental period.

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In the plan, Cheng Yongxing's first pot of gold should come from industrialization.

Every new product has the highest profit when it first appeared. When the LED first appeared, it sold for $40 a piece! It's hard to imagine.

This is the period of huge profits for new technologies.

The purpose of applying for a patent is not to resell or authorize, but to monopolize!

But blue LEDs are not enough, because customers expect a full range of products. The production of the other two LEDs should also be scheduled.

The LED industry, in general, is still in the initial stage of a small market and high prices.

A small market means fewer players. High prices mean high profits.

In this niche market, each family treats its own data as a treasure of the house. The various intermediate data in the production process, temperature, time, steps, proportions, etc., are all secrets.

In the era without the Internet, the resources and channels for obtaining information are very limited. The channels through which Cheng Yongxing can obtain information. That is, several industry journals.

Now that we are determined to enter the industry, this database can only be rebuilt, and there is no other way.

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The former MEMS team has transformed into an LED development team.

The first task of the team is to reproduce the red LED. As a preparation for training and familiarization.

Cheng Yongxing has never done this experiment. He has to crawl through each of these bits and pieces of science and technology trees. There are no shortcuts.

LED light-emitting diodes are also a kind of diodes. The principle is to dope semiconductor materials. According to the different doping materials, two types of semiconductors with different properties are formed, one with multiple electrons (N) and the other with multiple holes (P). The junction of these two semiconductors forms a PN junction.

In some special semiconductor materials, when a current flows, causing electrons and holes to combine, visible light will be emitted.

In principle, light-emitting diodes are no different from ordinary diodes, but the materials are different. But in fact, there are still many differences in the production steps of the two.

Teacher Zhang Qun was invited out again to help everyone prepare relevant materials and equipment.

Cheng Yongxing and a group of young people followed Zhang Qun and walked forward step by step.

Today was the opening of the laboratory, and many idlers followed. Microelectronics laboratory, as a brother laboratory, all the staff came to congratulate.

As a result, everyone found that on the first day of the new laboratory, they were not doing MEMS stuff, but changed the runway again, so they all came to be interested.

In fact, everyone is interested in Cheng Yongxing's activities. Outsiders don't know, but the teachers in the school basically know how the two international laboratories come from.

Cheng Yongxing respectfully followed Zhang Qun's command and performed the same operations as ordinary students. And everyone was around to see the freshness.

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But no matter how these people look at it, no one can understand what Cheng Yongxing wants to do.

LED, all the colors have been realized! What's the point of doing this again? Moreover, why do you need to do semiconductor materials related projects for testing professionals?

There was a lot of discussion behind the scenes.

Professional testing, the previous crossover, is still an excuse. This time I just tore my face and hit the door?

Testing major, are you planning to repeat all majors in the school?

Or is this project just to detect the brightness of the LED? Or what is the speciality of LED light source, which is the same as fiber inspection?

The new project is called LED inspection?

do not understand!

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Like Cheng Yongxing, the members of the research team have gone through the baptism of MEMS, but this time they have gone in another direction. Everyone needs to learn again.

Although there were some stumbling and repetitions during the experiment, after all, the light-emitting diodes were already mature things. In the afternoon, a dark red light lit up on the workbench.

Due to the crowd of onlookers, after this light was illuminated, there was applause in the room, as if the blue LED had succeeded. Rebirth of Northland Technology latest chapter address: https://www.readwn.com/book/128175.htmlRebirth of Northern Science and Technology Full Text Reading Address: https://www.readwn.com/read/128175/Rebirth of Northland Technology txt download address: https://www.readwn.com/down/128175.htmlRebirth of Northland Technology Mobile Reading: https://m.readwn.com/read/128175/In order to facilitate the next reading, you can click \"Favorites\" below to record the reading record of this time (Chapter 239 Red LED), and you can see it next time you open the bookshelf ! If you like "Rebirth of Northland Technology", please recommend this book to your friends (QQ, blog, WeChat, etc.), Thank you for your support! ! (www.readwn.com)