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Timothy R. Groves
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Fulbourn, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Calibration target for electron beams
Patent number
6,369,396
Issue date
Apr 9, 2002
International Business Machines Corporation
John G. Hartley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for writing a pattern using multiple variable shaped electro...
Patent number
6,175,122
Issue date
Jan 16, 2001
International Business Machines Corporation
Timothy R. Groves
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Distributed direct write lithography system using multiple variable...
Patent number
5,981,962
Issue date
Nov 9, 1999
International Business Machines Corporation
Timothy R. Groves
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Multiple variable shaped electron beam system with lithographic str...
Patent number
5,962,859
Issue date
Oct 5, 1999
International Business Machines Corporation
Timothy R. Groves
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Emulation methodology for critical dimension control in E-Beam lith...
Patent number
5,916,716
Issue date
Jun 29, 1999
International Business Machines Corporation
Rainer Butsch
B82 - NANO-TECHNOLOGY
Information
Patent Grant
High accuracy fabrication of X-ray masks with optical and E-beam li...
Patent number
5,756,234
Issue date
May 26, 1998
International Business Machines Corporation
Timothy R. Groves
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electron beam nano-metrology system
Patent number
5,585,629
Issue date
Dec 17, 1996
International Business Machines Corporation
Samuel K. Doran
G01 - MEASURING TESTING
Information
Patent Grant
Telecentric sub-field deflection with vail
Patent number
4,859,856
Issue date
Aug 22, 1989
International Business Machines Corporation
Timothy R. Groves
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Conductive coated semiconductor electrostatic deflection plates
Patent number
4,737,644
Issue date
Apr 12, 1988
International Business Machines Corporation
Douglas G. Cullum
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Spatial phase locking with shaped electron beam lithography
Publication number
20020130274
Publication date
Sep 19, 2002
International Busines Machines Corporation
Juan Ferrera
B82 - NANO-TECHNOLOGY