Richard E. Wistrom

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Essex Junction, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Photomask blank including a thin chromium hardmask
- Patent number 10,168,612
- Issue date Jan 1, 2019
- GLOBALFOUNDRIES Inc.
- Richard Wistrom
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mask substrate structure
- Patent number 9,964,847
- Issue date May 8, 2018
- GLOBALFOUNDRIES Inc.
- Richard Wistrom
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for adjusting lithographic mask flatness using thermally ind...
- Patent number 7,355,680
- Issue date Apr 8, 2008
- International Business Machines Corporation
- Emily F. Gallagher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Detection of hardmask removal using a selective etch
- Patent number 6,989,105
- Issue date Jan 24, 2006
- International Business Machines Corporation
- Jeffrey P. Gambino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor and method of fabricating
- Patent number 6,391,661
- Issue date May 21, 2002
- International Business Machines, Corp.
- Daniel S. Brooks
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor and method of fabricating
- Patent number 6,229,155
- Issue date May 8, 2001
- International Business Machines Corporation
- Daniel S. Brooks
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PHOTOMASK BLANK INCLUDING A THIN CHROMIUM HARDMASK
- Publication number 20180164674
- Publication date Jun 14, 2018
- GLOBALFOUNDRIES INC.
- Richard Wistrom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MASK SUBSTRATE STRUCTURE
- Publication number 20170365471
- Publication date Dec 21, 2017
- GLOBALFOUNDRIES INC.
- Richard Wistrom
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR ADJUSTING LITHOGRAPHIC MASK FLATNESS USING THERMALLY IND...
- Publication number 20060146313
- Publication date Jul 6, 2006
- International Business Machines Corporation
- Emily F. Gallagher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DETECTION OF HARDMASK REMOVAL USING A SELECTIVE ETCH
- Publication number 20040262256
- Publication date Dec 30, 2004
- International Business Machines Corporation
- Jeffrey P. Gambino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor and method of fabricating
- Publication number 20010016362
- Publication date Aug 23, 2001
- International Business Machines Corporation
- Daniel S. Brooks
- H01 - BASIC ELECTRIC ELEMENTS