Just when the chip industry in Western countries is gradually showing its prominence, the country is in chaos during this period, although the country has not given up research work, but those talents are no longer the original group of people, because most of the old group of experts have been assigned to the following to "farm and herd cattle".

That is, from this period, the country's semiconductor industry began to stagnate, in the early days of reform and opening up, the country also tried to recover the semiconductor industry, but because the relevant technology has lagged behind foreign countries at this time, the fastest way to improve is to introduce foreign technology, this set of equipment of Jiangnan Radio Factory was introduced during this time.

But the country soon found that the foreign exchange in its pocket is really small and pitiful, the introduction of this technology can not introduce other technologies, at this time the country will make steel and iron as the primary goal of the national industry, just the expansion of the project to pay the island country 5 billion US dollars, almost the years of foreign exchange reserves have been emptied, and as a high investment in the semiconductor industry was abandoned.

Zhou Ming simply talked about the country's development in lithography machine technology, and everyone else listened carefully, all of them regretted it, but Liu Lang was shocked when he heard it, it turned out that the country had such a period of "glory".

"I can't imagine that the country has already manufactured lithography machines more than 20 years ago, if we continue to study, and wait for 30 years, I am afraid that the companies in the world that can manufacture lithography machines will have to add Chinese companies. ”

Thirty years later, Chinese people always think that the country's chip technology is too backward, and the money is not spent, but it still can't be improved, and the United States is angry and the country is confused, but now, this is definitely not the case.

The foundation of the national semiconductor industry is indeed strong, at least in the sixties and seventies can definitely be ranked in the world-class level, the whole seventies the country is in a state of chaos, the semiconductor industry is stagnant, and foreign technology is advancing by leaps and bounds, the gap between the two is rapidly opened, it is now eighty-five years, the difference between China and foreign technology is not too much, according to Liu Lang's estimation there is a distance of about a generation, unlike industrial machine tools, that is, the German second- and third-rate level equipment to get the domestic is also a generation higher than you.

The gap between China and foreign countries in integrated circuits should have been completely widened in the mid-to-late eighties, because this period was the stage of rapid development of the computer industry, and the manufacture of integrated circuits began to follow "Moore's Law" From the early nineties to the first decade of the new century, the development of the integrated circuit industry in the past 20 years has developed like a big bang, and the process technology has developed from a few microns to more than a dozen nanometers.

This is a very interesting phenomenon, symbolizing the traditional industrial manufacturing of the machine tool industry, the country is much more backward than foreign countries, even if Liu Lang is so smart, but also feel that even if China catches up from now on, it is very good to catch up with advanced countries such as the island countries, the United States and Germany within twenty or thirty years, but as the chip industry of the future high-tech industry, the country has begun to develop very early, and even now, the gap between the developed countries in this regard and the West is not too big.

The reason for this is that Liu Lang also understands that because the development time of the semiconductor industry is much shorter than that of the traditional industry, and there are not many talents in the West in related aspects, at least in the fifties, China's group of experts who returned from overseas may not have much gap with each other, and even surpass each other in some aspects, and the potential of the computer industry has not been brought into play in recent years, and the development of semiconductors in the application seems to have entered a bottleneck.

And 85 is a special period of time, Apple's personal computer has just taken shape, Microsoft and Intel have not yet shown their minions, and the chip industry seems to be silent, but this is only a superficial phenomenon, like a dormant volcano, once it erupts, it will be unstoppable.

Fortunately, now Liu Lang has appeared, not to mention the future, at least now everyone has come together to prepare to develop chips, as long as these people can persevere, as long as the country can pay attention to it, then ten years later, the country's chip industry will inevitably be much stronger than Liu Lang's previous life, at least it will not make Western countries pinch their necks and breathe.

Of course, many people still don't realize how much impact the chip industry will have in the future world, and their task now is to make Wanhe's chips and complete the tasks given by the state.

Wang Haijun is very familiar with this set of wafer equipment, every major component is known, but in terms of technology, he is far worse than Zhou Ming, as a national expert who has witnessed the national semiconductor industry from scratch, these densely packed, ordinary people are dizzy when they look at the integrated circuit board is really closer than relatives, he and Xiong Huaizhi are the same people, more important to their careers than their lives, so when the equipment is split, he becomes the protagonist, and everyone has to follow him.

"Our country's first engraving machine......... Oh, Westerners call it a lithography machine, and the word is still more appropriate...

Twenty years ago, we used the 436nm G-Line and 365nm i-Line produced by mercury lamps as the engraving light sources, which were able to meet the needs of ICs in the 0.8-0.35 micron process.

And we put the early ......... The lithography machine is a contact engraving, that is, the mask is attached to the silicon wafer for engraving, and many integrated circuit versions inside our country's Dongfanghong satellite are burned in this way, but this engraving is easy to produce pollution, and the mask life is short. ”

Zhou Ming said to himself while looking carefully, obviously the recorder in front of him no longer uses mercury lamps, but what kind of light source it is, it seems that it still needs to be opened and studied.

"Professor Zhou, now the lithography machine uses the krypton fluoride excimer laser as the light source, which can improve the minimum process node to the level of 0.1 micron, this equipment uses scanning projection lithography in the lithography process, which is also a common one of the lithography machines, the light source is exposed on the silicon wafer by scanning after adjusting and compensating through the mask. ”

Cheng Xian appeared on the scene at this time, although he is a chip designer, he also knows a lot about wafer equipment, and he also went to Wanwan a few years ago to train the workers there.

Chengxian is very "admired" of Liu Lang, and in his eyes, Liu Lang is a giant of the times, so now he is determined to learn from Liu Lang, and this skill will naturally not be hidden.

"Excimer laser as a light source? It's really amazing, this laser technology was only heard of in textbooks twenty years ago, when the Soviet Union seemed to be researching, our country's laser technology is actually very advanced, as early as twenty years ago, it has begun to be studied, but it is only used in national defense, and now the Americans have applied it to production, admire, admire!"

Zhou Ming sighed again and again.

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