Walking out of the cabin, this cold, which is more humid and cloudy than Yanjing, gets into the neck.

Gu Song's Nokia 1110 was still starting, and he turned his head to Zhao Hongtao and said, "You can't spend the New Year at home this year, does my sister-in-law complain about me?"

Zhao Hongtao shook his head and smiled: "There is no matter." ”

Gu Song sighed: "Who made this year's ISSCC happen to be on the eighth day of the Lunar New Year." It's better to give this speech. ”

Zhao Hongtao said: "I don't understand this, I'll protect you." ”

As soon as the words fell, Gu Song's phone rang.

"Hello?"

Zhao Hongtao followed behind and looked at Gu Song's back, his steps were calm and tall. Three years have passed, and he no longer looks as tender as he was in adolescence, although he wears sunglasses and has a restrained look in his eyes, his demeanor has his own bearing.

Seeing that someone in front of him seemed to recognize him, as if he was going to come over to take a group photo, Zhao Hongtao hurriedly stepped forward to stop him.

"Mr. Gu, can you sign it?"

"Hello Mr. Gu, what a coincidence, I am fortunate to meet you at the airport, this is my business card, I hope there will be a place for cooperation in the future. ”

My brother is a doctor from the Central University of Science and Technology, and he admires you very much!"

Gu Song smiled skillfully and nodded to them, and walked quickly forward from the road opened by Zhao Hongtao, while listening to the report on the phone.

The two big men were still agile enough to get out of the crowd and go straight to the parking lot.

"Have you contacted Mr. Liao?" asked Gu Song on the phone.

On the other end of the phone, Lin Yaodong said excitedly: "Not yet, but the verification results here have been run 5 times, so it should be no problem." ”

Gu Song smiled and said, "Okay! You sort out the results, and I will tell Mr. Liao directly." ”

After hanging up the phone, Zhao Hongtao looked at him with a smile on his face and was in a good mood. Looks like a good piece of news. Now Mr. Gu, there are not as many smiles as before.

When the two arrived at the parking lot, Zhao Hongtao took the car keys handed over by his subordinates and said to him: "You start to rest today, and report to the airport on the sixth day of the new year." ”

The subordinate nodded and waited for them to get in the car before leaving.

"Core-free technology?"

Gu Song nodded and began to close his eyes and recuperate.

At the beginning of the semester, you have to think about which PhD program to choose.

In the past three years, with the blessing of a series of papers on Flint Technology, he had already graduated early after completing three years of undergraduate studies in the summer of 05.

A small paper on immersion lithography technology, focusing on the design scheme of large-aperture projection objective lens, completed the winter thesis defense very smoothly.

Although this master's degree is only one semester, it is a solid thesis that has undoubtedly passed everyone's examination. This paper can condense the hard work of Gu Song and Niu Junming for nearly 3 years.

For Yan University, he was going to directly award him a doctorate of the same academic ability.

But Gu Song felt that it was still in the foundation period, so he continued to read. After the second semester starts, I will start studying for a PhD. This doctoral dissertation, Gu Song feels that it should be used as a turning point.

In three years, the progress bar of the black technology encyclopedia has been 100% full, but nothing new has been unlocked.

Perhaps, it will not appear until the neural implant simulation information system is restarted.

But Gu Song has also identified the topic.

He's no longer the pseudo-scholar. After three years of hard study, the flintstone research institute has complete equipment and massive financial resources for him to deploy, and the knowledge he has mastered is already beyond the times.

Because of this, the DRAM project, which has been established since 03, has finally been able to bear fruit now.

There is a hanging and not hanging, the effect gap is so big.

At that time, there was an answer to questions from artificial intelligence Xie Yinran, and 3DNAND was completed in a few months. Later, every technical breakthrough in the DRAM project really needed Ni Guangbei, Lin Yaodong and Gu Song to grind together.

Driven by the scientific research needs of so many topics, Gu Song insisted on memorizing the entire black technology encyclopedia, and even ate the knowledge of some of these categories.

Thanks to this, the DRAM project has finally come to fruition.

Finally!

I really don't complain about the slow progress of domestic technology in these fields, but the foundation is too weak.

Gu Song had his own understanding of the encyclopedia of black science and technology, and then put forward his opinions and groped with them, only to "make rapid progress" in 05 years, and finally completed the project.

So I can't complain that he smiled so happily, which is really a bit of a sense of accomplishment.

The car soon arrived at Xinhuo Technology.

In addition to the original phase of the factory, a new factory building has also been repaired.

Liao Qingshan greeted the door of the building.

"Qingshan, are your wife and children used to living here?"

Liao Qingshan said with a smile: "It's good, they think it's very comfortable on the edge of Pear Lake." ”

Gu Song patted him on the shoulder and entered the door together.

In 05, due to the chain reaction brought by Flint Technology, Bay Island's investigation of the chip industry was staged ahead of schedule, which also led to Cao Xingchen's early resignation. Liao Qingshan's identity is now extremely sensitive, and he listened to Gu Song's persuasion to bring his wife and children to Wuhu.

"You're in a good mood today, there's good news?"

Gu Song smiled and said, "R."

Liao Qingshan's footsteps stopped: "4?"

Gu Song nodded.

DDR4 has only just started to be developed at a normal time, and it will take five years to start mass production. Now on the market, DDR2 has just become popular, and various manufacturers have only proposed their own DDR3 solutions, and even DDR3 standards have not been released.

The first generation of the low-voltage LPDDR, which is specifically suitable for mobile computing devices such as smartphones, was only available in 2009.

No wonder Liao Qingshan can't walk.

“…… This phase II plant?" asked Liao Qingshan uncertainly.

Gu Song said with a smile: "Wait for our own infiltration lithography machine to come in and directly produce memory." ”

Liao Qingshan was stunned for a few seconds before he began to step forward and muttered, "Awesome." ”

Gu Song patted him on the shoulder again: "After the New Year, let's go to ISSCC with me to shock them." ”

Liao Qingshan licked his lips, looking so excited. He anxiously asked, "What about tape-outs?"

"Academician Ni will contact you over there. This tape-out will be directly waited for the acceptance of the special scientific research fund project in March, and after it arrives here, it will be done with our infiltration lithography machine. ”

"This ...... This is awesome...... "Liao Qingshan didn't expect that it has only been three years since he came here from Wanji, and now he can immediately play with the infiltration lithography machine."

As he walked, he asked, "How does our machine compare to the XT1700i?"

Now, ASML's first generation of immersion lithography machine has been made, which has just been released. The dual stages with a digital aperture of 1.2 can process inch wafers per hour at 45nm process.

Gu Song smiled: "It's up to you to play like this." In terms of parameters, it is a little worse than XT1700i. But new gadgets, everyone has a process of getting started, and your advantage is that you have the best technical support!"

Liao Qingshan invited Gu Song to sit on the sofa in the office, and asked while pouring hot water, "65 nanometers, how many pieces can be processed per hour?"

Gu Song sighed: "The process can also be mass-produced at 45 nanometers, even the cutting-edge machine tools have just come out, and it will take a while for the process level to catch up." Although it is also a double workbench, the 12-inch wafer that can be processed in one hour can only reach the level of more than 70 wafers. ”

"It's already awesome, it's already awesome. Liao Qingshan's hand was a little shaky.

Gu Song hurriedly took it and took a sip and felt much warmer.

It's really a three-year grinding. With the help of relevant units across the country, it took one and a half years to complete a set of immersion lithography magic reform scheme, which was successfully tested by Hejian Technology. It took another year and a half to get this immersion lithography prototype out.

This is still the case that Gu Song helped to tackle key problems throughout the whole process.

The same is true for cutting-edge machine tools, the four major machine tool factories have gathered the top strength to make a "cutting-edge" machine tool.

It is still a generation or two behind the current world's top level.

There is no way, although in the soft aspects such as the control system, Gu Song provides the best solution. But the material is not up to par, and the existing process is not enough. Only by relying on this machine tool that has achieved leaps and bounds of development, and then iterating on a more high-end machine tool, it can fully achieve the original expected design goals.

Because of the offline production of artificial intelligence Xie Yinran, the huge special scientific research plan for precision instruments and machinery at the beginning has been completed, and there is a large part of it, but the specifications have not reached the design height expected at the beginning.

However, this is just Gu Song's feeling.

As everyone knows, scientific research institutes and enterprises in related fields across the country have been celebrating the New Year in the past three years.

And soon, it will be the time point of final acceptance, which will be a meeting to summarize the results and divide the results. This Spring Festival in 06, many people are going to have a bad time.

Liao Qingshan finally cleaned up his emotions and said with a smile: "The boss is here, do you want to go to the factory to have a look?"

Gu Song waved his hand: "I just came to see you." You're staring here, I'm relieved. ”

Liao Qingshan drank water with him and asked, "ISSCC is because our 3D flash memory invited you over?"

Gu Song said with a smile: "Yes, the first batch of 3D flash memory put into production in 04, we took out the 250nm process, and the capacity of a single chip is 4G." Although Samsung's mass-produced 2D chip is also 4G, the cost is lower than ours. In 05, they mass-produced 8G, but we suddenly doubled 8 times to 32G, and the world panicked. ”

Liao Qingshan sighed: "I only now understand how far you have stockpiled the craftsmanship at the beginning. Toshiba is so miserable right now. We're already working on 130nm, 8-layer memory cells plus 4-layer packages. What Toshiba took out in 05 is still a 180nm process, with a 3-layer memory unit and a 2-layer package. This year, it can be advanced to 12-layer storage units and 4-layer packaging, and the AT1100 magic change will be advanced to the 65nm process, and Toshiba is not as fast as our breakthrough!"

Gu Song smiled, at that time, according to the promise, Toshiba was given an 8-inch wafer, a 500nm process, a 2-layer storage unit and a 2-layer packaging process, and it took them time to digest the original technology. Speaking of which, they have a deep accumulation of process technology, and they quickly advanced to the 180nm process, but otherwise it is slow.

This year, we have to improve the process, reduce the cost, and the advantage will be greater. ”

Liao Qingshan is full of confidence: "Mr. Xu has been in trial production for so long, and Mr. Niu has also prepared the equipment." During the Spring Festival, the modification and debugging here will be good, and the 3D flash memory process will make a big breakthrough next year!"