TW397253U - A guardring for the wafer - Google Patents
A guardring for the waferInfo
- Publication number
- TW397253U TW397253U TW87221115U TW87221115U TW397253U TW 397253 U TW397253 U TW 397253U TW 87221115 U TW87221115 U TW 87221115U TW 87221115 U TW87221115 U TW 87221115U TW 397253 U TW397253 U TW 397253U
- Authority
- TW
- Taiwan
- Prior art keywords
- guardring
- wafer
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW87221115U TW397253U (en) | 1998-12-18 | 1998-12-18 | A guardring for the wafer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW87221115U TW397253U (en) | 1998-12-18 | 1998-12-18 | A guardring for the wafer |
Publications (1)
Publication Number | Publication Date |
---|---|
TW397253U true TW397253U (en) | 2000-07-01 |
Family
ID=21638693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW87221115U TW397253U (en) | 1998-12-18 | 1998-12-18 | A guardring for the wafer |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW397253U (en) |
-
1998
- 1998-12-18 TW TW87221115U patent/TW397253U/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |