JPS5230379A - Process of semiconductor device - Google Patents
Process of semiconductor deviceInfo
- Publication number
- JPS5230379A JPS5230379A JP10721775A JP10721775A JPS5230379A JP S5230379 A JPS5230379 A JP S5230379A JP 10721775 A JP10721775 A JP 10721775A JP 10721775 A JP10721775 A JP 10721775A JP S5230379 A JPS5230379 A JP S5230379A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- simplify
- diffusion
- procedure
- treatment
- 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
- Thyristors (AREA)
Abstract
PURPOSE: To simplify a process of semiconductor device by using a procedure, in which on both surfaces of semiconductor wafer the oxidation layers containing impurities with different concentration are formed at first and treatment of diffusion are made at the next.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10721775A JPS5230379A (en) | 1975-09-04 | 1975-09-04 | Process of semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10721775A JPS5230379A (en) | 1975-09-04 | 1975-09-04 | Process of semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5230379A true JPS5230379A (en) | 1977-03-08 |
Family
ID=14453444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10721775A Pending JPS5230379A (en) | 1975-09-04 | 1975-09-04 | Process of semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5230379A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6350013A (en) * | 1986-08-20 | 1988-03-02 | Meidensha Electric Mfg Co Ltd | Manufacture of semiconductor device |
-
1975
- 1975-09-04 JP JP10721775A patent/JPS5230379A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6350013A (en) * | 1986-08-20 | 1988-03-02 | Meidensha Electric Mfg Co Ltd | Manufacture of semiconductor device |
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