JPS57181141A - Semiconductor device - Google Patents
Semiconductor deviceInfo
- Publication number
- JPS57181141A JPS57181141A JP6591781A JP6591781A JPS57181141A JP S57181141 A JPS57181141 A JP S57181141A JP 6591781 A JP6591781 A JP 6591781A JP 6591781 A JP6591781 A JP 6591781A JP S57181141 A JPS57181141 A JP S57181141A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- wiring
- layers
- bored
- reach
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
PURPOSE:To decrease wiring area occupancy and increase wiring density, by providing a connection where over two metal layers of multilayer wiring layer are connected to a diffusion layer of semiconductor base directly. CONSTITUTION:Diffusion layers 421, 422 are provided on a semiconductor substrate 41. An insulation film 43 is formed on the whole surface. A contact hole is bored to reach the layer 421. The first wiring layers 451, 452 of Al are provided, and an interlayer insulation layer 46 is formed. A contact hole is bored to reach the layer 422, and the second wiring layers 491, 492 are formed. This prevents through-hole numbers from increasing unnecessarily. The wiring density can be increased without influencing the element integrity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6591781A JPS57181141A (en) | 1981-04-30 | 1981-04-30 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6591781A JPS57181141A (en) | 1981-04-30 | 1981-04-30 | Semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57181141A true JPS57181141A (en) | 1982-11-08 |
Family
ID=13300797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6591781A Pending JPS57181141A (en) | 1981-04-30 | 1981-04-30 | Semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57181141A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61102047A (en) * | 1984-10-25 | 1986-05-20 | Nec Corp | Semiconductor device |
-
1981
- 1981-04-30 JP JP6591781A patent/JPS57181141A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61102047A (en) * | 1984-10-25 | 1986-05-20 | Nec Corp | Semiconductor device |
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