JPS5248974A - Process for production of diffusion type semiconductor device - Google Patents
Process for production of diffusion type semiconductor deviceInfo
- Publication number
- JPS5248974A JPS5248974A JP12491475A JP12491475A JPS5248974A JP S5248974 A JPS5248974 A JP S5248974A JP 12491475 A JP12491475 A JP 12491475A JP 12491475 A JP12491475 A JP 12491475A JP S5248974 A JPS5248974 A JP S5248974A
- Authority
- JP
- Japan
- Prior art keywords
- production
- semiconductor device
- type semiconductor
- diffusion type
- diffusion
- 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
Landscapes
- Electrodes Of Semiconductors (AREA)
- Bipolar Transistors (AREA)
Abstract
PURPOSE: To prevent step-cutting of wiring metal layers, by making the oxide film layers on a diffusion resistance layer for prevention of concentration of emitter current and on a base diffusion layer nearly the same.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50124914A JPS6011459B2 (en) | 1975-10-17 | 1975-10-17 | Method for manufacturing a diffused semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50124914A JPS6011459B2 (en) | 1975-10-17 | 1975-10-17 | Method for manufacturing a diffused semiconductor device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5248974A true JPS5248974A (en) | 1977-04-19 |
JPS6011459B2 JPS6011459B2 (en) | 1985-03-26 |
Family
ID=14897232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50124914A Expired JPS6011459B2 (en) | 1975-10-17 | 1975-10-17 | Method for manufacturing a diffused semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6011459B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746821U (en) * | 1980-09-01 | 1982-03-16 | ||
JPH08306959A (en) * | 1995-09-29 | 1996-11-22 | Rohm Co Ltd | Surface mounting type chip light-emitting device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5024593A (en) * | 1973-07-03 | 1975-03-15 |
-
1975
- 1975-10-17 JP JP50124914A patent/JPS6011459B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5024593A (en) * | 1973-07-03 | 1975-03-15 |
Also Published As
Publication number | Publication date |
---|---|
JPS6011459B2 (en) | 1985-03-26 |
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