How-Cheng Tsai

Follow

Person

Kaohsiung, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Method to remove fluorine residue from bond pads
- Patent number 7,055,532
- Issue date Jun 6, 2006
- Taiwan Semiconductor Manufacturing Co., Ltd.
- How-Cheng Tsai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for metal etchback with self aligned etching mask
- Patent number 6,818,555
- Issue date Nov 16, 2004
- Taiwan Semiconductor Manufacturing Co., Ltd
- How-Cheng Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming tiny silicon nitride spacer for flash EPROM by us...
- Patent number 6,706,601
- Issue date Mar 16, 2004
- Taiwan Semiconductor Manufacturing Company
- Hung-Hsin Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method to remove fluorine residue from bond pads
- Publication number 20050136662
- Publication date Jun 23, 2005
- How-Cheng Tsai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for metal etchback with self aligned etching mask
- Publication number 20040067633
- Publication date Apr 8, 2004
- Taiwan Semiconductor Manufacturing Co., Ltd.
- How-Cheng Tsai
- H01 - BASIC ELECTRIC ELEMENTS