TW397253U - A guardring for the wafer - Google Patents

A guardring for the wafer

Info

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
Application number
TW87221115U
Other languages
Chinese (zh)
Inventor
Jing-Yi Guo
Original Assignee
United Microelectronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by United Microelectronics Corp filed Critical United Microelectronics Corp
Priority to TW87221115U priority Critical patent/TW397253U/en
Publication of TW397253U publication Critical patent/TW397253U/en

Links

TW87221115U 1998-12-18 1998-12-18 A guardring for the wafer TW397253U (en)

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)

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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