One-chip microcomputer manufacturing method

Details One-chip microcomputer manufacturing method One-chip microcomputer manufacturing method

1993-01-28

1996-01-30

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

437 48, 437 52, 365205, 365208, 36518521, H01L 21266, H01L 218247

Patent

active

054880068

ABSTRACT:
A method of manufacturing a one-chip microcomputer with mask ROM and a one-chip microcomputer with EPROM, wherein a plurality of photomasks for photomechanical process and/or photomask data can be used in common. According to this method, because of the common use of the photomasks and/or photomask data, it becomes able to make uniform the layout, size and electric characteristic of chips.

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patent: 4935791 (1990-06-01), Namaki et al.
"Microcontroller fur Prozessteuerungen," V. Timm (Elektronik 11/27.5, 1988) pp. 117-122.
"Mit einem EEPROM an Bord," V. Timm (Elektronik 22/28.10, 1989) pp. 204-208.
"On Chip EEPROM gives CMOS & SPIC Flexibilty," Bursky, Electronic Design, May 14, 1987, pp. 55, 56, 58.
Electronic Journal, Racino et al, 17/89, pp. 32-34, 36.
"Very Large-Scale Integration (VLSI) Fundamentals and Applications," Ed. Barbe, Springer-Verlag, 1982, pp. 269, 270.

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