P

Inventor

WARREN RONALD A

US24 patents
⚠️ This page may combine multiple inventors who share the name “WARREN RONALD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

22 patents
US5166096ANov 24, 1992

Process for fabricating self-aligned contact studs for semiconductor structures

IBM431 citations98
US5427622AJun 27, 1995

Method for uniform cleaning of wafers using megasonic energy

IBM64 citations96
US5216282AJun 1, 1993

Self-aligned contact studs for semiconductor structures

IBM62 citations96
US5441797AAug 15, 1995

Antireflective polyimide dielectric for photolithography

IBM36 citations95
US5397684AMar 14, 1995

Antireflective polyimide dielectric for photolithography

IBM38 citations95
US5947053ASep 7, 1999

Wear-through detector for multilayered parts and methods of using same

IBM91 citations94
US6105274AAug 22, 2000

Cryogenic/phase change cooling for rapid thermal process systems

IBM24 citations93
US6282459B1Aug 28, 2001

Structure and method for detection of physical interference during transport of an article

IBM37 citations92
US6036821AMar 14, 2000

Enhanced collimated sputtering apparatus and its method of use

IBM38 citations92
US5943594AAug 24, 1999

Method for extended ion implanter source lifetime with control mechanism

IBM43 citations92
US5940724AAug 17, 1999

Method for extended ion implanter source lifetime

IBM30 citations92
US5579792ADec 3, 1996

Apparatus for uniform cleaning of wafers using megasonic energy

IBM32 citations92
US5533540AJul 9, 1996

Apparatus for uniform cleaning of wafers using megasonic energy

IBM37 citations92
US5187121AFeb 16, 1993

Process for fabrication of a semiconductor structure and contact stud

IBM27 citations92
US5982225ANov 9, 1999

Hot electron compensation for improved MOS transistor reliability

IBM18 citations89
US5536792AJul 16, 1996

Antireflective polymide dielectric for photolithography

IBM12 citations81
US5539080AJul 23, 1996

Polyimide and a semiconductor prepared therefrom

IBM6 citations73
US5352927AOct 4, 1994

Self-aligned contact studs for semiconductor structures

IBM10 citations73
US6580140B1Jun 17, 2003

Metal oxide temperature monitor

IBM6 citations72
US7332054B2Feb 19, 2008

Etch apparatus

IBM8 citations71
US6339022B1Jan 15, 2002

Method of annealing copper metallurgy

IBM6 citations59
US6759260B2Jul 6, 2004

Metal oxide temperature monitor

IBM0 citations50

(unassigned)

1 patent

FREDRON CORP

1 patent