The 1.2 µm lithography process was the semiconductor process technology used by the major semiconductor companies between in the late 1980s. 1 µm was phased out in the early 1990s and was replaced by 1 µm, 800 nm, and 650 nm processes.

Industry

Fab
Process Name​
1st Production​
​
Contacted Gate Pitch​
Interconnect Pitch (M1P)​
SRAM bit cell

Intel	NEC
1987	1991
Value	Value
? nm	? nm
? nm	? nm
? µm2	? µm2

1.2 µm Microprocessors

• Intel
  • 80387 DX
• MIPS (Fab'ed by NEC)
  • R3000