JPS5368175A - Semiconductor device - Google Patents
Semiconductor deviceInfo
- Publication number
- JPS5368175A JPS5368175A JP14426076A JP14426076A JPS5368175A JP S5368175 A JPS5368175 A JP S5368175A JP 14426076 A JP14426076 A JP 14426076A JP 14426076 A JP14426076 A JP 14426076A JP S5368175 A JPS5368175 A JP S5368175A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- base layer
- type
- transistor
- portions
- 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
- Bipolar Transistors (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
PURPOSE: To produce a transistor of high frequency and large power operation and a high gain by forming part of the base layer under the base electrode of P type poly-Si on a P type base layer surface to a conductivity lower than that of other portions.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14426076A JPS5368175A (en) | 1976-11-30 | 1976-11-30 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14426076A JPS5368175A (en) | 1976-11-30 | 1976-11-30 | Semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5368175A true JPS5368175A (en) | 1978-06-17 |
Family
ID=15357950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14426076A Pending JPS5368175A (en) | 1976-11-30 | 1976-11-30 | Semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5368175A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02290028A (en) * | 1989-04-28 | 1990-11-29 | Tokai Rika Co Ltd | Bipolar transistor |
-
1976
- 1976-11-30 JP JP14426076A patent/JPS5368175A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02290028A (en) * | 1989-04-28 | 1990-11-29 | Tokai Rika Co Ltd | Bipolar transistor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5215262A (en) | Semiconductor device and its manufacturing method | |
JPS5324277A (en) | Semiconductor devic e and its production | |
JPS5353979A (en) | Transistor | |
JPS5368175A (en) | Semiconductor device | |
JPS534469A (en) | Semiconductor device | |
JPS5269275A (en) | Transistor | |
JPS52130567A (en) | Preparation of semiconductor device | |
JPS5368165A (en) | Production of semiconductor device | |
JPS52153383A (en) | Preparation of semiconductor device | |
JPS5367381A (en) | Semiconductor device | |
JPS5420675A (en) | Production of semiconductor device | |
JPS53123083A (en) | Production of semiconductor device | |
JPS52108775A (en) | Semiconductor device | |
JPS5367389A (en) | Production of semiconductor laser | |
JPS5267983A (en) | Semiconductor unit | |
JPS51112266A (en) | Semiconductor device production method | |
JPS5313883A (en) | Semiconductor device and its production | |
JPS5323579A (en) | Production of semiconductor device | |
JPS51118965A (en) | Insulation film of semiconductor device | |
JPS522384A (en) | Semiconductor device | |
JPS5211772A (en) | Semiconductor device | |
JPS539488A (en) | Production of semiconductor device | |
JPS5317283A (en) | Production of semiconductor device | |
JPS5279782A (en) | Semicondictor device | |
JPS5376767A (en) | Semiconductor device |