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1 μm process

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1 μm process

The 1 μm process (1 micrometer process) is a level of MOSFET semiconductor process technology that was commercialized around the 1984–1986 timeframe, 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 micrometer wide.

The earliest MOSFET with a 1 μm 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.

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