JPS5320869A - High breakdown voltage semiconductor device - Google Patents
High breakdown voltage semiconductor deviceInfo
- Publication number
- JPS5320869A JPS5320869A JP9553376A JP9553376A JPS5320869A JP S5320869 A JPS5320869 A JP S5320869A JP 9553376 A JP9553376 A JP 9553376A JP 9553376 A JP9553376 A JP 9553376A JP S5320869 A JPS5320869 A JP S5320869A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- breakdown voltage
- high breakdown
- voltage semiconductor
- type semiconductor
- 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)
Abstract
PURPOSE: A planar type semiconductor device of a high breakdown voltage is obtained at a high yield by providing etched grooves to surface channel preventing region forming flat surface in the same manner as for conventional planar type semiconductor devices by an ordinary diffusion method.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9553376A JPS5320869A (en) | 1976-08-11 | 1976-08-11 | High breakdown voltage semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9553376A JPS5320869A (en) | 1976-08-11 | 1976-08-11 | High breakdown voltage semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5320869A true JPS5320869A (en) | 1978-02-25 |
Family
ID=14140184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9553376A Pending JPS5320869A (en) | 1976-08-11 | 1976-08-11 | High breakdown voltage semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5320869A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4922085A (en) * | 1972-06-19 | 1974-02-27 | ||
JPS5030483A (en) * | 1973-07-13 | 1975-03-26 | ||
JPS51108784A (en) * | 1975-03-20 | 1976-09-27 | Shindengen Electric Mfg | HANDOTA ISOCHI |
-
1976
- 1976-08-11 JP JP9553376A patent/JPS5320869A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4922085A (en) * | 1972-06-19 | 1974-02-27 | ||
JPS5030483A (en) * | 1973-07-13 | 1975-03-26 | ||
JPS51108784A (en) * | 1975-03-20 | 1976-09-27 | Shindengen Electric Mfg | HANDOTA ISOCHI |
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