JPS5326686A - Protection circuit device for semi conductor - Google Patents
Protection circuit device for semi conductorInfo
- Publication number
- JPS5326686A JPS5326686A JP10063476A JP10063476A JPS5326686A JP S5326686 A JPS5326686 A JP S5326686A JP 10063476 A JP10063476 A JP 10063476A JP 10063476 A JP10063476 A JP 10063476A JP S5326686 A JPS5326686 A JP S5326686A
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- circuit device
- semi conductor
- layer
- conductor
- 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.)
- Granted
Links
Landscapes
- Amplifiers (AREA)
- Bipolar Transistors (AREA)
- Semiconductor Integrated Circuits (AREA)
- Bipolar Integrated Circuits (AREA)
Abstract
PURPOSE: To ensure an effective protection to both (+) and (-) polarities by providing an n+ layer under a regulated voltage on P-type Si substrate and by connecting the layer to each power line as well as to the input line of the protected element.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10063476A JPS5326686A (en) | 1976-08-25 | 1976-08-25 | Protection circuit device for semi conductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10063476A JPS5326686A (en) | 1976-08-25 | 1976-08-25 | Protection circuit device for semi conductor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5326686A true JPS5326686A (en) | 1978-03-11 |
JPS5722219B2 JPS5722219B2 (en) | 1982-05-12 |
Family
ID=14279255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10063476A Granted JPS5326686A (en) | 1976-08-25 | 1976-08-25 | Protection circuit device for semi conductor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5326686A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877254A (en) * | 1981-11-02 | 1983-05-10 | Oki Electric Ind Co Ltd | Integrated logic circuit device |
JPS59191365A (en) * | 1983-04-15 | 1984-10-30 | Hitachi Ltd | Semiconductor device |
JPS612978A (en) * | 1984-06-13 | 1986-01-08 | Konishiroku Photo Ind Co Ltd | Multi-directional valve |
-
1976
- 1976-08-25 JP JP10063476A patent/JPS5326686A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877254A (en) * | 1981-11-02 | 1983-05-10 | Oki Electric Ind Co Ltd | Integrated logic circuit device |
JPH0121632B2 (en) * | 1981-11-02 | 1989-04-21 | Oki Electric Ind Co Ltd | |
JPS59191365A (en) * | 1983-04-15 | 1984-10-30 | Hitachi Ltd | Semiconductor device |
JPH0475660B2 (en) * | 1983-04-15 | 1992-12-01 | Hitachi Seisakusho Kk | |
JPS612978A (en) * | 1984-06-13 | 1986-01-08 | Konishiroku Photo Ind Co Ltd | Multi-directional valve |
JPH0541869B2 (en) * | 1984-06-13 | 1993-06-24 | Konishiroku Photo Ind |
Also Published As
Publication number | Publication date |
---|---|
JPS5722219B2 (en) | 1982-05-12 |
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