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Recent content by Fred Chen

  1. F

    SMIC #3 in Q1 after TSMC and Samsung; 5nm said to be successfully developed

    https://www.businesskorea.co.kr/news/articleView.html?idxno=217031 In what is seen as a symbol of China’s “semiconductor rise,” SMIC ascended to third place in the global foundry (semiconductor manufacturing services) market in the first quarter of this year, trailing behind Taiwan’s TSMC and...
  2. F

    Intel secures high-NA EUV kits over rivals

    Customers would be sharing the use of the ASML-imec High-NA Lab for resist/underlayer testing: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/12953/129530P/The-next-step-in-Moores-law--high-NA-EUV/10.1117/12.3009070.full#_=_
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    Intel secures high-NA EUV kits over rivals

    EUV resist issues should hit pretty soon.
  4. F

    With new technologies will Crossbar phase change memory become viable?

    I think a 4F^2 DRAM is more likely than a crossbar new memory type. It is the same form factor, but much easier to design for, as well as cheaper.
  5. F

    Intel secures high-NA EUV kits over rivals

    TheElec is sometimes enthusiastically pro-Korean, so in mentioning only Samsung and SKHynix, author didn't realize SKHynix was not foundry. 10nm (1d) will have unavoidable substantial multipatterning, so 3D-DRAM is actively being developed today. I have already heard quite a few proposals at IMW...
  6. F

    Intel secures high-NA EUV kits over rivals

    Is Intel 7 still running with SAQP? I read that Intel 4 also continued use of SAPQ for tightest pitch. Interesting also that they didn't buy many more of the NXE systems instead, perhaps they couldn't and the first few EXE shipments was the result?
  7. F

    Intel secures high-NA EUV kits over rivals

    Not surprisingly, this kind of article got the technical statements all wrong. In fact, collected light is lost through the obscuration (hole in mirror). The NA is about focusing light in space but in an EUV resist, there are electrons spread, so the connection between NA and resolution is...
  8. F

    Qualcomm confirms Huawei no longer needs its chips

    https://www.gizchina.com/2024/05/11/huawei-no-longer-needs-qualcomm-chips/ EFE UDIN MAY 11, 2024 Qualcomm, a leading American semiconductor company, has recently confirmed that Huawei, a Chinese telecommunications giant, no longer requires its processors. This announcement comes amidst ongoing...
  9. F

    Huawei Pura 70 smartphone sales start; chip still a mystery

    https://zh.ifixit.com/Guide/Pura+70+Pro+Chip+ID/172264
  10. F

    TSMC statement on next-generation EUV

    Intel 4 removed cobalt, so that implies the problem. Maybe they're stuck with the cobalt for Intel 7 (?), that would be unfortunate.
  11. F

    TSMC statement on next-generation EUV

    It's a big rebuild for the High-NA system, so their current EXE would be a wasted evaluation. Maybe they are seeing the productivity pitfalls of mixing with conventional field systems. It's possible they are still anticipating some large GPU die not just processor chiplets.
  12. F

    Government-backed Japan Investment Corporation (JIC) completes takeover of JSR

    https://www.j-ic.co.jp/en/news/.assets/E_20240417_JIC_JICC_PressRelease.pdf Government-backed Japan Investment Corporation (JIC) completed takeover of Japanese photoresist manufacturer JSR, which previously acquired Inpria, the maker of metal oxide photoresists. There are ongoing lawsuits...
  13. F

    TSMC statement on next-generation EUV

    There were some hints the decision by Intel to pursue High-NA was made without thinking everything through. The clearest evidence is their sudden push for a larger (2X) mask size, supposedly driven by cost.
  14. F

    TSMC statement on next-generation EUV

    Maybe Intel just gave away their power is not so high, possibly a pellicle limitation.
  15. F

    TSMC statement on next-generation EUV

    Right now a bigger problem than High-NA is the EUV resist, a little surprised that was not explicitly mentioned in the TSMC report: (from ASML's HNA print)
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