Chinese semiconductor industry

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SC chips are in the R&D and prototyping phase. there are zero mass produced commercial products. what is the purpose of shrinking the feature size when fundamental physics are being investigated?

the ones I know best are Josephson junctions, a superconductor-metal-superconductor junction. The critical point is the junction. The width of the junction must be carefully controlled - but because its a vertical structure, you can control it through deposition. Metals are deposited using highly controllable PVD. The lateral dimensions don't matter.

Non-Josephson junction superconducting chips seem to be built using even bigger feature sizes in the mm range.

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Oh. Then I wonder what US restrictions will be since if I'm not mistaken China's MIC has been producing lithography machines that are sufficient for 450 nm for a while now.
 

FairAndUnbiased

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Oh. Then I wonder what US restrictions will be since if I'm not mistaken China's MIC has been producing lithography machines that are sufficient for 450 nm for a while now.
you mean 45 nm?

US doesn't care about Chinese superconductoring chips, and neither does China, because superconducting quantum chips are seen as a dead end.

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antiterror13

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The paper said that the gap width was 0.45 microns which is 450 nm. Were you claiming that the CETC is capable of producing arf machines?

450nm is a bit too old ... I think we should be comfortable that CETC can make 90nm lithography, possibly 65nm now

But most (if not all) weapon systems use very mature process anyway and Chinese MIC and CETC are 100% localised
 

Weaasel

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There is a lot of hysteria and cope from recently from the China haters with regards to the following China related developments mostly in the IC Chips and Semiconductor Industry:

- The effective restriction on sales of gallium and germanium by China, which China very greatly dominates the supplies of.

- Advances in chiplets technology that enable a combination of mature and other less advanced nodes of chips to have similar effectiveness of a single highly advanced node chips in terms of processing and other capabilities, which can potentially be utilized for advance AI chips and graphics processing applications, etc.

- SMIC and Huawei combining to develop 5G capable chips that put an end to US objective of preventing Huawei (but in reality China) from developing 5G chips for mobile phones. Huawei provided the instructions for SMIC with regards to the circuitry and SMIC used the equipment that it possesses via methodologies of its own precisely knowledge to produce these chips. SMIC has done so entirely using non EUV machines. The haters are bewildered and so pissed as to how SMIC has been able to do so without having the latest KNOWN tech. The most extreme of them are calling for the complete ban by the ALLIANCE of absolutely any remotely related IC chip and semiconductor related tech, materials, and substances to China, regardless of maturity...
 

tokenanalyst

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With a total investment of 3 billion yuan, Maiwei plans to invest in the construction of pan-semiconductor equipment projects​

Suzhou Maiwei Technology Co., Ltd. (hereinafter referred to as "Maiwei Shares") announced that the company plans to sign the "Investment Agreement" with the Management Committee of Wujiang Economic and Technological Development Zone, and plans to invest in the construction of "Maiden for pan-semiconductor equipment" project.
The announcement shows that Maiwei invested in the construction of the "Miwei Pan-semiconductor Equipment" project within the jurisdiction of the Wujiang Economic and Technological Development Zone Management Committee , and independently developed and manufactured high-end equipment in the pan-semiconductor field. The total investment of the project is 3 billion yuan.
Maiwei shares stated that the agreement signed this time aims to make full use of the company's own technological advantages and the local policies, environment, resources and other advantages of Wujiang Economic and Technological Development Zone. Based on the principles of equality, fairness and integrity, fully mobilize various resources to jointly promote the construction of Wujiang pan-semiconductor industry cluster, which is in line with the company's overall strategic development layout and is conducive to improving the company's future operating performance.

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tokenanalyst

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243 companies in Beijing were selected into the fifth batch of specialized and special new "little giants", and semiconductor companies exceeded 8 seats​

on July 14, the Beijing Municipal Bureau of Economy and Information Technology released the list of the fifth batch of specialized and new "little giant" companies organized by the Ministry of Industry and Information Technology, and 243 companies were on the list.
Judging from the list, many semiconductor companies are listed, including Beijing Derui Lingxin Technology Co., Ltd., Beijing Huahong Integrated Circuit Design Co., Ltd., Datang Microelectronics Technology Co., Ltd., Beijing Yisheng Precision Semiconductor Co., Ltd., Zhongke Aier (Beijing) Technology Co., Ltd., Beijing Shuoke Zhongkexin Electronic Equipment Co., Ltd., Beijing Yandong Microelectronics Technology Co., Ltd., Beijing Yanhuang Guoxin Technology Co., Ltd., etc.
It is reported that the "little giant" of specialization, specialization and specialization is a pioneer enterprise that focuses on market segmentation, has strong innovation ability, high market share, masters key core technologies, and has excellent quality and efficiency. , "filling in the blanks" and solving "stuck necks".​

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