Tza-Hao Wang

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Taoyuan County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Metal etching process and rework method thereof
- Patent number 7,427,569
- Issue date Sep 23, 2008
- ProMos Technologies Inc.
- Tza-Hao Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of deep contact fill and planarization for dual damascene st...
- Patent number 6,720,252
- Issue date Apr 13, 2004
- ProMos Technologies, Inc.
- Chun-Che Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METAL ETCHING PROCESS AND REWORK METHOD THEREOF
- Publication number 20070166979
- Publication date Jul 19, 2007
- Tza-Hao Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF DEEP CONTACT FILL AND PLANARIZATION FOR DUAL DAMASCENE ST...
- Publication number 20040023484
- Publication date Feb 5, 2004
- ProMOS Technologies, Inc.
- Chun-Che Chen
- H01 - BASIC ELECTRIC ELEMENTS