Super Copy of Great Power Technology

Chapter 72 Goodbye Zhou Wanda

The next day, Qiao Ruida called the counselor Lu Pingan and asked him about the chip production line.

"Our college does have a chip production line, which is affiliated to the national key laboratory led by Academician Wang Chengye. However, they do not undertake chip tape-out business for external parties. They are generally only used for production and testing of chips designed by internal staff of the laboratory. You, this flow It’s hard to say whether they will answer the film testing business. Let me give you a phone number and you can try to contact them yourself. 135******”

Qiao Ruida picked up the pen and wrote down a mobile phone number, but why did this number look familiar?If you think about it carefully, isn't this the number of Peking University admissions teacher Zhou Wanda?It was Teacher Zhou who made a special trip to Decheng City to sign a pre-admission agreement with Zhou Ruida.It seems that Teacher Zhou's identity is quite extraordinary, and he is actually related to a national key laboratory.

Qiao Ruida picked up the phone and dialed the number.

"Hello, I'm Zhou Wanda, who are you?" From this voice, it was definitely Teacher Zhou.

"Hello, Teacher Zhou, I am Qiao Ruida, Qiao Ruida from Decheng City, do you remember?"

"Oh, Qiao Ruida, of course I remember that it was I who recruited you to Peking University as the top scorer in the college entrance examination in Beihe Province. Why, classmate Qiao, do you have anything to do with me?"

"That's right, Teacher Zhou, I designed an audio decoding chip and want to do a tape-out test. I heard that our school has a chip production line. I wonder if I can undertake the tape-out business?"

"You've already started designing chips in the first semester of your freshman year. It's really amazing! You deserve to be the top scorer in the college entrance examination. Your self-study ability is boundless. You have found the right person for this matter. In addition to a small number of teaching tasks, I work in the integrated circuit laboratory most of the time. In principle, our laboratory does not undertake chip tape-out testing business, but since you are a student of our School of Software and Microelectronics, it is not an exception. By the way, I haven’t asked yet. You, how many nanometers is the chip you designed?"

"At least a 90nm process is required. It would be better if there is a 65nm or 45nm process."

"The chip production line in our laboratory is 90nm. In normal production, the yield rate can reach more than 50%, and the tape-out cost is about 90. If technical means such as repeated exposure and automatic alignment quadruple imaging are used, the highest It is possible to produce chips using the 45nm process, but the yield rate is only in single digits. Moreover, the cost of tape-out will also increase dramatically, requiring at least 500 million yuan. I know you run a company, and this money is not worth it to you. Whatever it is, you decide for yourself which craft to choose.”

"Since we can achieve 45nm, of course we should choose the 45nm process. It is worth spending several million more."

"I know you are not short of money at all, and you will definitely strive for excellence and choose a higher process. Well, come to the Daxing campus and bring your chip design drawings. I will show you first if there are any mistakes or omissions. .”

As the top scorer in the college entrance examination in Beihe Province, Zhou Wanda had no doubts about Qiao Ruida's terrifying learning ability.It's just that Qiao Ruida's integrated circuit design knowledge was all self-taught after all, without any guidance from a teacher.There is no guarantee that the chip he designed will not have problems of one kind or another, especially in some design specifications, where novices can easily make mistakes. "Okay, I'll be there right away, Teacher Zhou, thank you."

After hanging up the phone, Qiao Ruida found a USB flash drive, copied the chip design drawings and related information into it, and then drove to Peking Daxing Campus.This campus belongs exclusively to the School of Software and Microelectronics, with multiple teaching buildings and laboratory buildings built inside.It was okay when I entered the campus. I showed my student ID and was let in. Entering the experimental building where the chip laboratory is located was a lot more troublesome. Even if Zhou Wanda said hello, I still needed to show my ID card and student ID for verification and registration.

After entering the door of the laboratory building, Qiao Ruida followed the information provided by Zhou Wanda and found his office on the second floor. She raised her hand and knocked on the door.

"Come in, hey, Qiao Ruida, you're here. I've said before that we will meet again, but I didn't expect it to come so soon. Bring the chip design drawing and show it to me." Seeing Qiao Ruida , Zhou Wanda stood up and shook hands with him warmly.

"The chip design drawing is stored in this USB flash drive. Teacher Zhou, please correct me." After that, Qiao Ruida handed a USB flash drive to Zhou Wanda.

After taking the USB flash drive, Zhou Wanda did not show any politeness and took Qiao Ruida directly to his desk, opened a computer workstation and inserted the USB flash drive.After opening the chip design in the USB flash drive, Zhou Wanda devoted all his energy to it and even forgot to greet Qiao Ruida.

"Hey, there are actually four newly designed IP cores. The structure is interesting, very simple, and very power-saving, but I don't know how the performance is. Memory chip reading module, computing module, decoding module, digital-to-analog conversion module, and power amplification module , Information display module, hiss - such a high level of integration, such a powerful chip. Hey, how could this module be designed like this? I understand, I understand, it’s really wonderful..."

Zhou Wanda watched for an hour, during which time he kept mumbling to himself. Sometimes he would get happy and even shout a few times.Judging from Zhou Wanda's state at this time, she was completely immersed in it, completely leaving Qiao Ruida aside as a guest.Qiao Ruida is not angry about this. He understands that only such dedicated people can achieve success in the boring field of integrated circuit design.

Qiao Ruida also had a way to pass the time. On the bookshelf in his office, he found a dozen original English books on integrated circuits and some latest journals, most of which he had never read.Qiao Ruida picked up the books and journals one by one, opened the golden finger, took pictures and memorized them all.

An hour later, Zhou Wanda finally finished reading the chip design drawing. With his many years of experience in the industry, he found many problems and many things that he did not understand clearly. He immediately invited Qiao Ruida, the designer, to discuss it.This discussion lasted another two hours.Zhou Wanda is indeed a returned doctor, with a solid foundation and rich experience. Through this discussion, Qiao Ruida feels that she has benefited a lot and learned a lot of knowledge and experience that cannot be learned in books.The chip design drawing has also undergone dozens of minor repairs. The structure is more standardized and the annotations are clearer. Anyone who sees this is a very mature and complete design drawing.

"Qiao Ruida, your memory is terrible. You can actually memorize all the core structures. Zhou admires them. These newly designed IP cores are also very wonderful. Have they registered patents? "

(End of this chapter)