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James P. Levin
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South Burlington, VT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Test pattern layout for test photomask and method for evaluating cr...
Patent number
9,996,000
Issue date
Jun 12, 2018
International Business Machines Corporation
Brian N. Caldwell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Test pattern layout for test photomask and method for evaluating cr...
Patent number
9,989,843
Issue date
Jun 5, 2018
International Business Machines Corporation
Brian N. Caldwell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Test pattern layout for test photomask and method for evaluating cr...
Patent number
9,372,394
Issue date
Jun 21, 2016
International Business Machines Corporation
Brian N. Caldwell
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method to etch chrome for photomask fabrication
Patent number
7,754,394
Issue date
Jul 13, 2010
International Business Machines Corporation
Shaun B Crawford
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
EUVL mask structure and method of formation
Patent number
6,777,137
Issue date
Aug 17, 2004
International Business Machines Corporation
Emily E. Fisch
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Single component developer for use with ghost exposure
Patent number
6,426,177
Issue date
Jul 30, 2002
International Business Machines Corporation
Thomas B. Faure
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Single component developer for copolymer resists
Patent number
6,270,949
Issue date
Aug 7, 2001
International Business Machines Corporation
Thomas B. Faure
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Mask set mismatch
Patent number
4,388,386
Issue date
Jun 14, 1983
International Business Machines Corporation
Bruce D. King
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TEST PATTERN LAYOUT FOR TEST PHOTOMASK AND METHOD FOR EVALUATING CR...
Publication number
20160223902
Publication date
Aug 4, 2016
International Business Machines Corporation
Brian N. Caldwell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TEST PATTERN LAYOUT FOR TEST PHOTOMASK AND METHOD FOR EVALUATING CR...
Publication number
20160224720
Publication date
Aug 4, 2016
International Business Machines Corporation
Brian N. Caldwell
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TEST PATTERN LAYOUT FOR TEST PHOTOMASK AND METHOD FOR EVALUATING CR...
Publication number
20150212405
Publication date
Jul 30, 2015
Toppan Printing Co., Ltd.
Brian N. Caldwell
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method to etch chrome for photomask fabrication
Publication number
20080113275
Publication date
May 15, 2008
International Business Machines Corporation
Shaun B. Crawford
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
EUVL mask structure and method of formation
Publication number
20040009408
Publication date
Jan 15, 2004
International Business Machines Corporation
Emily E. Fisch
B82 - NANO-TECHNOLOGY
Information
Patent Application
Single component developer for use with ghost exposure
Publication number
20010005571
Publication date
Jun 28, 2001
Thomas B. Faure
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY