Guey-Chi Guo

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Hsin-Chu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Half-tone self-aligning phase shifting mask
- Patent number 5,478,679
- Issue date Dec 26, 1995
- United Microelectronics Corporation
- Wen-An Loong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY