Ying-Chih Liu

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Ping Tung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Installation for improving chemical-mechanical polishing operation
- Patent number 6,116,991
- Issue date Sep 12, 2000
- Worldwide Semiconductor Manufacturing Corp.
- Ying-Chih Liu
- B24 - GRINDING POLISHING
Information Patent Grant
Wafer cleaning device
- Patent number 6,101,656
- Issue date Aug 15, 2000
- Worldwide Semiconductor Manufacturing Corp.
- Sen-Nan Lee
- B08 - CLEANING
Information Patent Grant
Installation for improving chemical-mechanical polishing operation
- Patent number 6,062,955
- Issue date May 16, 2000
- Worldwide Semiconductor Manufacturing Corp.
- Ying-Chih Liu
- B24 - GRINDING POLISHING