Logan L. Simpson

Person

Binghamton, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for circuitizing through-holes by photo-activated seeding
- Patent number 6,194,785
- Issue date Feb 27, 2001
- International Business Machines Corporation
- Logan Lloyd Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for circuitizing through-holes by photo-activated seeding
- Patent number 6,087,258
- Issue date Jul 11, 2000
- International Business Machines Corporation
- Logan Lloyd Simpson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Positive photoresist composition containing photoacid generator and...
- Patent number 5,498,765
- Issue date Mar 12, 1996
- International Business Machines Corporation
- Burton J. Carpenter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composition for photo imaging
- Patent number 5,439,766
- Issue date Aug 8, 1995
- International Business Machines Corporation
- Richard A. Day
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive photoresist composition containing photoacid generator and...
- Patent number 5,374,500
- Issue date Dec 20, 1994
- International Business Machines Corporation
- Burton J. Carpenter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive photoresist system for near-UV to visible imaging
- Patent number 5,272,042
- Issue date Dec 21, 1993
- International Business Machines Corporation
- Robert D. Allen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and composition for obtaining image reversal in epoxy formul...
- Patent number 5,266,444
- Issue date Nov 30, 1993
- International Business Machines Corporation
- Burton J. Carpenter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photocurable epoxy composition with sulfonium salt photoinitiator
- Patent number 5,102,772
- Issue date Apr 7, 1992
- IBM
- Raymond W. Angelo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid apply, aqueous processable photoresist compositions
- Patent number 5,071,730
- Issue date Dec 10, 1991
- International Business Machines Corporation
- Robert D. Allen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoacid generating composition and sensitizer therefor
- Patent number 5,055,439
- Issue date Oct 8, 1991
- International Business Machines Corporation
- Robert D. Allen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sulfonium salts and use and preparation thereof
- Patent number 5,047,568
- Issue date Sep 10, 1991
- International Business Machines Corporation
- Raymond W. Angelo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dry film, aqueous processable photoresist compositions
- Patent number 5,045,431
- Issue date Sep 3, 1991
- International Business Machines Corporation
- Robert D. Allen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Logan L. Simpson

Person

Patents Grantslast 30 patents

Method for circuitizing through-holes by photo-activated seeding

Method for circuitizing through-holes by photo-activated seeding

Positive photoresist composition containing photoacid generator and...

Composition for photo imaging

Positive photoresist composition containing photoacid generator and...

Positive photoresist system for near-UV to visible imaging

Method and composition for obtaining image reversal in epoxy formul...

Photocurable epoxy composition with sulfonium salt photoinitiator

Liquid apply, aqueous processable photoresist compositions

Photoacid generating composition and sensitizer therefor

Sulfonium salts and use and preparation thereof

Dry film, aqueous processable photoresist compositions