TW465751U - Refractive mask structure - Google Patents

Refractive mask structure

Info

Publication number
TW465751U
TW465751U TW90206391U TW90206391U TW465751U TW 465751 U TW465751 U TW 465751U TW 90206391 U TW90206391 U TW 90206391U TW 90206391 U TW90206391 U TW 90206391U TW 465751 U TW465751 U TW 465751U
Authority
TW
Taiwan
Prior art keywords
mask structure
refractive mask
refractive
mask
Prior art date
Application number
TW90206391U
Other languages
Chinese (zh)
Inventor
Shu-Miau Wang
Original Assignee
Shu-Miau Wang
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 Shu-Miau Wang filed Critical Shu-Miau Wang
Priority to TW90206391U priority Critical patent/TW465751U/en
Publication of TW465751U publication Critical patent/TW465751U/en

Links

TW90206391U 2001-04-19 2001-04-19 Refractive mask structure TW465751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW90206391U TW465751U (en) 2001-04-19 2001-04-19 Refractive mask structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW90206391U TW465751U (en) 2001-04-19 2001-04-19 Refractive mask structure

Publications (1)

Publication Number Publication Date
TW465751U true TW465751U (en) 2001-11-21

Family

ID=21683204

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90206391U TW465751U (en) 2001-04-19 2001-04-19 Refractive mask structure

Country Status (1)

Country Link
TW (1) TW465751U (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