1 μm process explained
The 1 μm process (1 micrometer process) is a level of MOSFET semiconductor process technology that was commercialized around the 1984–1986 timeframe,[1] [2] by companies like NTT, NEC, Intel and IBM. It was the first process where CMOS was common (as opposed to NMOS).
The 1 μm process refers to the minimum size that could be reliably produced. The smallest transistors and other circuit elements on a chip made with this process were around 1 micrometers wide.
The earliest MOSFET with a 1μm NMOS channel length was fabricated by a research team led by Robert H. Dennard, Hwa-Nien Yu and F.H. Gaensslen at the IBM T.J. Watson Research Center in 1974.[3]
Products featuring 1.0 μm manufacturing process
- NTT introduced the 1μm process for its DRAM memory chips, including its 64kin 1979 and 256kin 1980.[4]
- NEC's 1Mbit DRAM memory chip was manufactured with the 1μm process in 1984.[5]
- Intel 80386 CPU launched in 1985 was manufactured using this process.[1]
- Intel uses this process on the CHMOS III-E technology.[6]
- Intel uses this process on the CHMOS IV technology.[7]
References
- Web site: Mueller . S . Microprocessors from 1971 to the Present . informIT . 2006-07-21 . 2012-05-11 . https://web.archive.org/web/20150419173143/http://www.informit.com/articles/article.aspx?p=482324&seqNum=2 . 2015-04-19 . live .
- Web site: Myslewski . R . Happy 40th birthday, Intel 4004! . TheRegister . 2011-11-15 . 2015-04-19 . https://web.archive.org/web/20150419173435/http://www.theregister.co.uk/Print/2011/11/15/the_first_forty_years_of_intel_microprocessors/ . 2015-04-19 . live .
- Dennard . Robert H. . Robert H. Dennard . Yu . Hwa-Nien . Gaensslen . F. H. . Rideout . V. L. . Bassous . E. . LeBlanc . A. R. . Design of ion-implanted MOSFET's with very small physical dimensions . . October 1974 . 9 . 5 . 256–268 . 10.1109/JSSC.1974.1050511 . 1974IJSSC...9..256D . 283984 .
- Web site: Gealow . Jeffrey Carl . Impact of Processing Technology on DRAM Sense Amplifier Design . . . 10 August 1990 . 149–166 . 25 June 2019.
- Web site: Memory. STOL (Semiconductor Technology Online). 25 June 2019.
- Intel Corporation, "New Product Focus: Components: Two-and Four-Megabit EPROMs are High-Density Performers", Microcomputer Solutions, September/October 1989, page 14
- Intel Corporation, "New Product Focus: Components: New ASSP Suits Mobile Applications", Microcomputer Solutions, September/October 1990, page 11
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