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Xiaohong Yang
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method to print photoresist lines with negative sidewalls
Patent number
7,633,712
Issue date
Dec 15, 2009
Headway Technologies, Inc.
Chao-Peng Chen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method to print photoresist lines with negative sidewalls
Patent number
7,368,227
Issue date
May 6, 2008
Headway Technologies, Inc.
Chao-Peng Chen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method to print photoresist lines with negative sidewalls
Patent number
7,132,221
Issue date
Nov 7, 2006
Headway Technologies, Inc.
Chao-Peng Chen
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Method to print photoresist lines with negative sidewalls
Publication number
20080213691
Publication date
Sep 4, 2008
HEADWAY TECHNOLOGIES, INC.
Chao-Peng Chen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method to print photoresist lines with negative sidewalls
Publication number
20070042299
Publication date
Feb 22, 2007
Chao-Peng Chen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method to print photoresist lines with negative sidewalls
Publication number
20050058952
Publication date
Mar 17, 2005
HEADWAY TECHNOLOGIES, INC.
Chao-Peng Chen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY