JPS53136970A - Surface treatment method of semiconductor device - Google Patents
Surface treatment method of semiconductor deviceInfo
- Publication number
- JPS53136970A JPS53136970A JP5150477A JP5150477A JPS53136970A JP S53136970 A JPS53136970 A JP S53136970A JP 5150477 A JP5150477 A JP 5150477A JP 5150477 A JP5150477 A JP 5150477A JP S53136970 A JPS53136970 A JP S53136970A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- surface treatment
- treatment method
- soaked
- exposing
- 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)
- Weting (AREA)
Abstract
PURPOSE: To enhance the backward characteristics by exposing the semiconductor substrate into the N2 atmosphere after formation of the electrode and wiring, being soaked into the water solution of the hydrofluoric acid group, and giving etching to the surface to remove the univalent ion.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5150477A JPS53136970A (en) | 1977-05-04 | 1977-05-04 | Surface treatment method of semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5150477A JPS53136970A (en) | 1977-05-04 | 1977-05-04 | Surface treatment method of semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53136970A true JPS53136970A (en) | 1978-11-29 |
Family
ID=12888812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5150477A Pending JPS53136970A (en) | 1977-05-04 | 1977-05-04 | Surface treatment method of semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53136970A (en) |
-
1977
- 1977-05-04 JP JP5150477A patent/JPS53136970A/en active Pending
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