JPH01139455U - - Google Patents
Info
- Publication number
- JPH01139455U JPH01139455U JP3625688U JP3625688U JPH01139455U JP H01139455 U JPH01139455 U JP H01139455U JP 3625688 U JP3625688 U JP 3625688U JP 3625688 U JP3625688 U JP 3625688U JP H01139455 U JPH01139455 U JP H01139455U
- Authority
- JP
- Japan
- Prior art keywords
- oxide film
- field oxide
- built
- thin film
- annular thin
- 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)
- Semiconductor Integrated Circuits (AREA)
- Bipolar Integrated Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3625688U JPH01139455U (en]) | 1988-03-18 | 1988-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3625688U JPH01139455U (en]) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139455U true JPH01139455U (en]) | 1989-09-22 |
Family
ID=31262871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3625688U Pending JPH01139455U (en]) | 1988-03-18 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139455U (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772376A (en) * | 1980-10-24 | 1982-05-06 | Hitachi Ltd | Protective circuit device for semiconductor |
| JPS6350198B2 (en]) * | 1980-09-01 | 1988-10-07 | Fuji Xerox Co Ltd |
-
1988
- 1988-03-18 JP JP3625688U patent/JPH01139455U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6350198B2 (en]) * | 1980-09-01 | 1988-10-07 | Fuji Xerox Co Ltd | |
| JPS5772376A (en) * | 1980-10-24 | 1982-05-06 | Hitachi Ltd | Protective circuit device for semiconductor |