Semiconductor & Computer Engineering
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Difference between revisions of "1.5 µm lithography process"
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[[Category:Lithography]] | [[Category:Lithography]] | ||
Revision as of 08:23, 26 April 2016
Semiconductor lithography processes technology
The 1.5 µm lithography process was the semiconductor process technology used by the major semiconductor companies in the mid 1980s. By the late 80s this process was replaced by 1.3 µm, 1.2 µm, and 1 µm processes.
Industry
| Fab |
|---|
| Process Name |
| 1st Production |
| Contacted Gate Pitch |
| Interconnect Pitch (M1P) |
| Metal Layers |
| SRAM bit cell |
| Wafer |
| Intel | Intel | HP |
|---|---|---|
| P646 | NMOS III | |
| 1982 | 1985 | 1981 |
| ? nm | ? nm | 1.5 µm |
| ? nm | ? nm | 2.5 µm |
| 2 | ||
| ? µm2 | ? µm2 | |
| 125 mm | 150 mm |
Design Rules
| HP NMOS-III Design Rules | |
|---|---|
| Layer | Description |
| Oxide | 450 nm thick silicon dioxide 1.5 µm x 1.5 µm minimum contact area, zero overlap to polysilicon, zero overlap of first metal layer |
| M1 | 1.5 µm wide line / 1.0 µm space 0.4 ohm/square sheet resistance |
| Intemediate Oxide | 550 nm-thick silicon dioxide 1.5 µm x 2.0 µm minimum contact area, zero overlap to first metal layer 2.0 µm overlap of second metal layer to via |
| M2 | 5.0 µm wide line / 3.0 µm space 0.4 ohm/square sheet resistance |
1.5 µm Microprocessors
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