JPH0321858U - - Google Patents
Info
- Publication number
- JPH0321858U JPH0321858U JP8193189U JP8193189U JPH0321858U JP H0321858 U JPH0321858 U JP H0321858U JP 8193189 U JP8193189 U JP 8193189U JP 8193189 U JP8193189 U JP 8193189U JP H0321858 U JPH0321858 U JP H0321858U
- Authority
- JP
- Japan
- Prior art keywords
- region
- well region
- conductivity type
- guard ring
- anode
- 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
- 239000004065 semiconductor Substances 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 2
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989081931U JP2509485Y2 (ja) | 1989-07-11 | 1989-07-11 | 半導体集積回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989081931U JP2509485Y2 (ja) | 1989-07-11 | 1989-07-11 | 半導体集積回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0321858U true JPH0321858U (cs) | 1991-03-05 |
| JP2509485Y2 JP2509485Y2 (ja) | 1996-09-04 |
Family
ID=31628300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989081931U Expired - Lifetime JP2509485Y2 (ja) | 1989-07-11 | 1989-07-11 | 半導体集積回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2509485Y2 (cs) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57147278A (en) * | 1981-03-05 | 1982-09-11 | Fujitsu Ltd | Protecting device for mis integrated circuit |
-
1989
- 1989-07-11 JP JP1989081931U patent/JP2509485Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57147278A (en) * | 1981-03-05 | 1982-09-11 | Fujitsu Ltd | Protecting device for mis integrated circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2509485Y2 (ja) | 1996-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |