JPS5249780A - Semiconductor integrated circuit - Google Patents
Semiconductor integrated circuitInfo
- Publication number
- JPS5249780A JPS5249780A JP12532275A JP12532275A JPS5249780A JP S5249780 A JPS5249780 A JP S5249780A JP 12532275 A JP12532275 A JP 12532275A JP 12532275 A JP12532275 A JP 12532275A JP S5249780 A JPS5249780 A JP S5249780A
- Authority
- JP
- Japan
- Prior art keywords
- integrated circuit
- region
- semiconductor integrated
- forming
- conduction type
- 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
- Semiconductor Integrated Circuits (AREA)
Abstract
PURPOSE: To obtain a sufficiently isolated caractor diode, by forming a first low concentration layer of the same conduction type on a semiconductor substrate, forming second and third regions of the conduction type different from that of the substrate on a part of said laeyr, forming a fourth region of the same conduction type as that of thesubstrate within the third region to make PN junction, and grounding the second region.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12532275A JPS5249780A (en) | 1975-10-20 | 1975-10-20 | Semiconductor integrated circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12532275A JPS5249780A (en) | 1975-10-20 | 1975-10-20 | Semiconductor integrated circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5249780A true JPS5249780A (en) | 1977-04-21 |
Family
ID=14907233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12532275A Pending JPS5249780A (en) | 1975-10-20 | 1975-10-20 | Semiconductor integrated circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5249780A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5989603U (en) * | 1982-12-02 | 1984-06-18 | 日立造船株式会社 | Universal joint holding device for rolling mill drive |
JPH07147420A (en) * | 1993-11-25 | 1995-06-06 | Nec Corp | Variable capacity device and semiconductor integrated circuit device provided with it |
-
1975
- 1975-10-20 JP JP12532275A patent/JPS5249780A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5989603U (en) * | 1982-12-02 | 1984-06-18 | 日立造船株式会社 | Universal joint holding device for rolling mill drive |
JPH07147420A (en) * | 1993-11-25 | 1995-06-06 | Nec Corp | Variable capacity device and semiconductor integrated circuit device provided with it |
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