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The following day, Mu Yang returned to the corporate.
The chip design software program EDA has been made, and the chip might be designed. The Xinghai Group’s first chip was named “Xingchen 01”, and Mu Yang selected it in March.
He has by no means designed a chip earlier than, and the primary chip he received his fingers on was the world’s high chip.
Even whether it is open and hung, with out expertise, the design could be very tough.
Usually, it takes at the least 24 to 36 months for a chip to go from design to mass manufacturing. If there’s a drawback within the intermediate course of, the time shall be even longer. After tape-out, it’s going to take 1 to 2 years for buyer testing and adaptation. And after buying in small batches, it’s attainable to realize leapfrog progress.
Like Warwick, the know-how is mature and the time is brief, so the design cycle of a chip is shorter.
However like Mu Yang, who straight copy the homework, and makes use of the output of the human mind converter for sturdiness, the pace of sunshine drawing is a number of occasions quicker than that of typical drawing.
Chip design might be divided into two elements, chip front-end design and chip back-end design.
Entrance-end design is the method from enter necessities to output netlist: it’s primarily divided into the next 5 steps:
1. RTL design (that’s, select TSMC or SMIC, in addition to chip know-how, Star 01 makes use of 7n know-how)
2. Verification;
3. Static timing evaluation;
4. Protection;
5. ASIC logic synthesis.
The back-end design, that’s, the method from inputting the netlist to outputting the GDSII file: it’s primarily divided into the next six steps:
1. Logic synthesis; 2. Formal verification; 3. Bodily implementation (format planning, wiring);
4. Clock tree synthesis—CTS; 5. Parasitic parameter extraction; 6. Bodily format verification.
Mu Yang has selected the structure and began RTL design. For this half, he used the C language.
【in()
{printf “HelloXH-Stars” “Stars 01″……】
It’s utterly copied, aside from some identify modifications.
If the pace of copying is 150 phrases per minute, or 500 letters, then, utilizing the human mind converter, the enter pace can attain greater than 2500 letters per minute.
Chip design is an extended course of. After the chip design is accomplished, you’ll be able to proceed to the following step:
Wafer + masks
Mu Yang estimated that it could take a month to finish the chip design of Xingchen 01, even when it was launched.
Nevertheless, he isn’t in a rush, take his time.
At current, the prototype of the EBL lithography machine has not but come out. time flies,
a month later,
Mu Yang lastly completed the chip design of Xingchen 01, and the time has come to June
early.
The truth is, it was quicker than he imagined. He spent 5 hours a day on chip design, and in the remainder of the time, he additionally directed the chip design division.
Along with Xingchen 01, the chip design division additionally must design comparatively easy chips. I gave myself two or three days off to remain at house with my youngsters.
The tremendous yacht he entrusted the corporate to order has been finalized, costing almost 200 million yuan, and won’t be delivered till one 12 months later.
June 6,
Sitting within the workplace, Mu Yang started to plan the following stage of labor.
The progress of the EBL lithography machine is comparatively sluggish, Mu Yang’s key work has been accomplished, and he isn’t wanted in the interim;
The design of the primary chip has additionally been accomplished, and Mu Yang would not need to play with the second chip in the interim.
Xingchen 01 is a chip utilized in high-end cellphones. After the lithography machine comes out, Mu Yang plans to design a top-notch chip for computer systems and use it in servers.
When you have expertise in designing the primary chip, after which copy the second chip, the effectivity shall be a lot quicker.
Generally, the lithography machine and chip design can come to an finish first, and he can formally begin engaged on aero engines.
The truth is, the corporate’s aviation engine
The machine challenge began final 12 months, however it isn’t going very easily.
At current, there are two sorts of plane engines, one is the air-breathing kind, and the opposite is the rocket jet kind.
Within the remaining evaluation, the previous is aviation, and the latter is aerospace, that are utterly totally different.
The air-breathing kind, because the identify suggests, is to inhale oxygen from a excessive altitude to hold out combustion, that’s, oxidation response.
With out oxygen, combustion can’t happen.
In house, oxygen is skinny, and rocket jets have their very own liquid oxygen.
In fact, there are solely two sorts of plane at current, perhaps Mu Yang invented a flight engine that doesn’t require combustion, akin to ample battery power or controllable nuclear fusion know-how.
For now, it is nonetheless a good distance off.
Aeroengines are at present divided into three sorts: piston engines, fuel turbine engines, and ramjet engines.
Piston engine is an aero engine utilized in airplanes or helicopters within the early days to drive propellers or rotors. It’s nonetheless used and has not been eradicated. Low-power piston aero engines are nonetheless extensively utilized in gentle plane, helicopters and ultra-light Airplanes are simply now not utilized in civil aviation.
Gasoline turbine engines embody turbojets, turbofans, turboprops, and turboshafts, all having a compressor, a combustor, and a fuel turbine.
Turboprop engines are primarily used for plane with a pace of lower than 800 kilometers per hour; turboshaft engines are primarily used as energy for helicopters;
Turbofan engines are primarily utilized in increased pace plane; turbojet engines are primarily utilized in supersonic plane.
Civilian airliners are dominated by turbofan engines, which have the benefits of massive thrust, excessive propulsion effectivity, low noise, low gasoline consumption fee, and lengthy vary, so they’re extensively utilized in civil aviation airliners.
The C919 additionally makes use of a turbofan engine, which is what Mu Yang plans to check.
Within the afternoon, Mu Yang abruptly obtained a name from Academician Wu Hui, the chief designer and deputy normal supervisor of Shanghai Plane Company.
“Mr. Mu, hiya.”
“Academician Wu, hiya, I have not seen you for a very long time, how are you doing just lately?”
“The physique is previous, and it is fairly good. At my age, it is regular to have some issues. I referred to as you this time as a result of the C919 has accomplished the key meeting and debugging originally of the 12 months. In March, the entire machine The static take a look at was profitable, and it handed the assessment for the primary flight in Might. The primary flight is deliberate the day after tomorrow. When you have time, you’ll be able to come and go to.”
On the opposite finish of the telephone, Mu Yang might really feel Academician Wu’s pleasure.
Mu Yang couldn’t have imagined that the C919 launch assessment progressed so quick, almost three years quicker than in historical past.
“Congratulations, congratulations, congratulations.” He thought of it for some time, and felt that it was meaningless to observe: “I haven’t got time right here. I’ve just lately entered a scientific analysis juncture, so I am unable to go to the scene to observe the primary flight.”
“With out the assistance of Xinghai Group and Mr. Mu, the progress would undoubtedly not be so quick. Utilizing the steel 3D additive tools of Xinghai Group, it took at the least half a 12 months quicker. On the similar time, Mr. Mu got here to Shangfei to information the work and solved many key issues. I I actually don’t know easy methods to thank Mr. Mu.” Academician Wu Hui sincerely thanked him.
“Academician Wu, you might be welcome. I additionally hope that the domestically produced massive airplane will take to the sky quickly.”
“Sure, we’ve got been ready for many years for a big civil aviation plane, haha.” Academician Wu Hui mentioned fortunately, however on the similar time he felt somewhat regretful, “Hey, it is simply that Mr. Mu could not be there to witness the primary flight. I really feel somewhat regretful.
Nevertheless, the important thing to scientific analysis is knowing.
Mr. Mu, I cannot hassle you. Come to Shangfei when you find yourself free. You’re all the time welcome to information the work. “
“Okay, there shall be an opportunity.”
Mu Yang understood Academician Wu’s emotions, perhaps it was the dream of their technology, and even three generations.
Nevertheless, what they did not anticipate was that even when the C919 was efficiently examined and obtained the airworthiness certificates, they might not have imagined that Ugly Nation dug a giant gap for them and prevented CFM Worldwide from promoting LEAP-1C engines to Shangfei Firm.
Mu Yang reminded academician Wu Hui that he additionally knew that there was a hidden hazard
, I simply don’t know that a number of years later, the progress won’t be so quick, and Ugly Nation shall be so decisive.
Now, the matter has come so far, and the reminder is ineffective.
Mu Yang entered the C919 challenge comparatively late, and he alone couldn’t make them hand over the LEAP-1C engine, and Shanghai Plane Firm didn’t have any good decisions.
With the ability to borrow another person’s engine to go to the sky can also be an important enchancment.
When you wait on your personal engine to be developed earlier than take a look at flight, UU Learn I do not know when it will likely be.
Due to this fact, it isn’t unsuitable for SAIC to decide on the LEAP-1C engine.
It’s simply that the home media has exalted SAIC, and the staff of SAAC have been praised too extremely.
Hey, if it have been him, he would most likely be elated.
“It is good to be hit, however the hole could also be too massive, and most scientific researchers cannot settle for it, and they are going to be discouraged for a very long time. Canine R’s ugly nation, this trick is totally wonderful.”
Mu Yang refused to take part within the maiden flight. He knew that together with his excessive recognition, the media on the scene would undoubtedly seize this level to put it on the market. In any other case, the entire community could be filled with C919 information.
A number of days later, the primary flight of the C919 went easily.
Certain sufficient, many massive photographs have been current, and the C919 made its first flight efficiently, making it a sizzling information that day.
When Mu Yang noticed the media reviews, he felt combined emotions.