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Dennis K. Coultas
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Hopewell Junction, NY, US
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last 30 patents
Information
Patent Grant
Apparatus and method of producing a negative ion plasma
Patent number
6,051,151
Issue date
Apr 18, 2000
International Business Machines Corporation
John H. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold electron plasma reactive ion etching using a rotating electrom...
Patent number
6,028,394
Issue date
Feb 22, 2000
International Business Machines Corporation
John H. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stable matching networks for plasma tools
Patent number
5,866,985
Issue date
Feb 2, 1999
International Business Machines Corporation
Dennis Keith Coultas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Helicon plasma processing tool utilizing a ferromagnetic induction...
Patent number
5,767,628
Issue date
Jun 16, 1998
International Business Machines Corporation
John Howard Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of reducing particulates in a plasma tool through steady sta...
Patent number
5,543,184
Issue date
Aug 6, 1996
International Business Machines Corporation
Michael S. Barnes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and apparatus for reducing particulates in a plasma tool thr...
Patent number
5,518,547
Issue date
May 21, 1996
International Business Machines Corporation
Michael S. Barnes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Gettering of particles during plasma processing
Patent number
5,433,258
Issue date
Jul 18, 1995
International Business Machines Corporation
Michael S. Barnes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for gettering of particles during plasma processing
Patent number
5,332,441
Issue date
Jul 26, 1994
International Business Machines Corporation
Michael S. Barnes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio frequency induction/multipole plasma processing tool
Patent number
5,304,279
Issue date
Apr 19, 1994
International Business Machines Corporation
Dennis K. Coultas
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optimized helical resonator for plasma processing
Patent number
5,241,245
Issue date
Aug 31, 1993
International Business Machines Corporation
Michael S. Barnes
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ceramic electrostatic wafer chuck
Patent number
5,207,437
Issue date
May 4, 1993
International Business Machines Corporation
Michael S. Barnes
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low energy, steered ion beam deposition system having high current...
Patent number
5,206,516
Issue date
Apr 27, 1993
International Business Machines Corporation
John H. Keller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for electrostatic deflection of high current i...
Patent number
3,997,846
Issue date
Dec 14, 1976
International Business Machines Corporation
Dennis Keith Coultas
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING