JPS5252374A - Semiconductor device - Google Patents
Semiconductor deviceInfo
- Publication number
- JPS5252374A JPS5252374A JP51072974A JP7297476A JPS5252374A JP S5252374 A JPS5252374 A JP S5252374A JP 51072974 A JP51072974 A JP 51072974A JP 7297476 A JP7297476 A JP 7297476A JP S5252374 A JPS5252374 A JP S5252374A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- complimentary
- integrated circuit
- impurity concentration
- npn transistor
- 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
Abstract
PURPOSE: To obtain high hFE having high voltage rating with emitter layer of low impurity concentration of npn transistor in complimentary integrated circuit by putting additional region.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51072974A JPS5252374A (en) | 1976-06-21 | 1976-06-21 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51072974A JPS5252374A (en) | 1976-06-21 | 1976-06-21 | Semiconductor device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48000551A Division JPS5147584B2 (en) | 1972-12-29 | 1972-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5252374A true JPS5252374A (en) | 1977-04-27 |
JPS5438038B2 JPS5438038B2 (en) | 1979-11-19 |
Family
ID=13504860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51072974A Granted JPS5252374A (en) | 1976-06-21 | 1976-06-21 | Semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5252374A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194465A (en) * | 1983-04-19 | 1984-11-05 | Sanken Electric Co Ltd | Manufacture of semiconductor integrated circuit |
-
1976
- 1976-06-21 JP JP51072974A patent/JPS5252374A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194465A (en) * | 1983-04-19 | 1984-11-05 | Sanken Electric Co Ltd | Manufacture of semiconductor integrated circuit |
JPH0425706B2 (en) * | 1983-04-19 | 1992-05-01 | Sanken Electric Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5438038B2 (en) | 1979-11-19 |
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