The flowers in the factory of rebirth are too fierce

"Zhiyuan, I know from Engineer Xue that you are very interested in photolithography machines. Coincidentally, in 1985, the 45th Institute of the Ministry of Mechanical and Electrical Engineering developed a distributed photolithography machine prototype, and I was in charge of the testing of this photolithography machine in the ministry at that time, so I am quite familiar with the situation in this area..."

Hearing what Minister Wu said, Lin Zhiyuan's eyes widened instantly. It was really a case of searching for something in vain, but finally finding it without any effort. It turned out that the Minister Wu in front of him was an expert in lithography machines.

"Minister Wu, it turns out that you are an expert in photolithography!"

"No, no!" Minister Wu waved his hands repeatedly. "I am only responsible for the inspection work. I cannot be called an expert. However, Director Han of the 45th Institute is very familiar with me. He was one of the developers of the distributed lithography machine at that time. He can be called an expert."

"Director Han? Where is he now? Minister Wu, I want to visit him." Lin Zhiyuan was indeed a little excited.

"Haha, Zhiyuan, I can see that you are indeed interested in lithography machines. Don't worry, I have already contacted the person for you. Old Han has retired now, but he lives in Yanjing. Let me make a call and send someone to pick him up, and you two can have a good chat."

"That won't do. I must pay him a visit." Lin Zhiyuan was very persistent. Minister Wu didn't know why Lin Zhiyuan was so obsessed with the lithography machine, but as long as he could keep him in Yanjing, it would be fine. Minister Wu immediately sent a car and asked his secretary to take Lin Zhiyuan to Director Han's house.

Director Han's home is near Xueqing Road in Haidian District, in an old building built in the 1970s.

Minister Wu's secretary is surnamed Huang. He is quite familiar with the history of this community. He introduced it to Lin Zhiyuan as they walked. "Assistant Lin, this was originally the family quarters of the old Ministry of Mechanical and Electrical Engineering. Since I knew that Assistant Lin was interested in lithography machines, I accompanied the minister to visit Director Han here. Director Han is from Tianjin. The 45th Institute was originally the Tianjin Electronic Tube Factory. In the 1960s, the country carried out the Third Line Construction, and the 45th Institute moved to Gansu Province. Three years ago, the 45th Institute established a branch in Yanjiao. In 1985, the 45th Institute developed the first distributed lithography machine in China at that time. Director Han and his research team made great contributions. This house was awarded to him at that time..."

"Director Huang, how old is Director Han this year?"

"We just turned 70 after the Chinese New Year. Assistant Lin, since Director Han met with the Minister, I heard that you are very interested in lithography machines. The department wants to hold a seminar in the field of lithography machines. Director Han is very excited. I just called him and told him that you are coming to visit. The old director was very happy and said that he has always wanted to meet you. Today finally has the opportunity."

"In fact, I'd rather meet Director Han. The old scientists of their era are really admirable. Under such difficult conditions, they still persisted in scientific research..." Lin Zhiyuan suddenly remembered something, "By the way, Director Huang, can you see if there is a supermarket on the roadside? I'll go buy some gifts. I can't go empty-handed on my first visit!"

Director Huang turned around and smiled, "Don't worry, Assistant Lin, I have prepared all the gifts for you. The old director doesn't smoke or drink, so I prepared some high-end tea and fresh fruits, as well as some health products that the elderly need. If Assistant Lin thinks it's not enough, we can buy some more."

This is what a good secretary should do, and Lin Zhiyuan is very satisfied.

The two of them went upstairs with the gifts. Director Han lived on the third floor. Soon, Secretary Huang knocked on the door, and the door opened almost at the same time. A gray-haired old man stood at the door and asked impatiently, "Xiao Huang, you are here. Where is Assistant Lin?"

Director Han speaks authentic Tianjin dialect.

"Old Director, Assistant Lin is right behind me, look!" Secretary Huang pointed behind him, and Lin Zhiyuan bowed respectfully, "Hello, old director. I am Lin Zhiyuan, the junior, to bother you."

Director Han was a little surprised to see that Lin Zhiyuan was so young, but he still warmly invited them both into his home.

Director Han’s wife, who was also an intellectual, politely made tea, served some fruit, and then left the space for Lin Zhiyuan and Director Han.

Director Han was very anxious. As soon as Lin Zhiyuan sat down, he asked, "Assistant Lin, I heard from the director that you are very interested in lithography machines."

"Yes, old director, you probably know the situation. Last year, when I was helping the Ministry of Information Industry with enterprise integration and restructuring, I helped them develop a portable music product, which is currently very popular abroad. During the research and development process, I discovered a very serious problem, which is that most of the electronic components cannot be produced domestically, especially chips and memory..." Lin Zhiyuan told the story slowly, so that his fanatical pursuit of lithography machines would not seem so abrupt.

"Chips..." Director Han sighed. "In the mid-to-late 1965s, few people mentioned this field. Assistant Lin, our country has actually made good achievements in the field of chips and lithography machines. In 65, our country developed the 1977-type contact lithography machine, and the research has never been interrupted. In 3, we developed the first contact lithography machine, the GK-1980 semi-automatic lithography machine. In 3, Qinghua University successfully developed the fourth-generation step-by-step projection lithography machine, and the lithography accuracy reached 1981 microns, close to the international mainstream level. In 1, the Semiconductor Institute of the Shenzhou Academy of Sciences successfully developed the JK-1982 semi-automatic proximity lithography machine. In 109, the 75th Factory of the Academy of Sciences developed the KHA-1-4 lithography machine. The level of these lithography machines was not low at the time. The most conservative estimate is that the gap with the most advanced Canon at that time was less than 1985 years. In 7, our institute developed a prototype of the step-by-step lithography machine, which was also the first step-by-step projection lithography machine in our country. At that time, the gap with foreign countries was no more than years."

Director Han's voice became deeper and deeper. "It's a pity that after entering the 193s, the light source of our country's lithography machines was stuck at nanometers for a long time and could not make any progress. This technology is very critical... and in the s, the relationship between our country and the United States improved. Many high-tech products that were restricted to us in the past can now be sold to us. The cost-effectiveness of foreign lithography products is much higher than that of self-developed ones. The research and development and industrialization of our country's lithography technology have essentially given up independent research and development." Director Han sighed as he talked about this.

"Director Han, do you think it's too late for us to restart the lithography machine project? What's the biggest difficulty?" When Lin Zhiyuan heard the old director talking about these things, he knew that his trip was not in vain.