JW

James D. Welch

JC J.A. Woollam Co.: 27 patents #9 of 52Top 20%
GE Getagadget: 14 patents #1 of 2Top 50%
🗺 Texas: #579 of 125,132 inventorsTop 1%
Overall (All Time): #19,221 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 51–75 of 87 patents

Patent #TitleCo-InventorsDate
7489400 System and method of applying xenon arc-lamps to provide 193 nm wavelengths Ping He, Martin M. Liphardt 2009-02-10
7477388 Sample masking in ellipsometer and the like systems including detection of substrate backside reflections Martin M. Liphardt, Corey L. Bungay, John A. Woollam 2009-01-13
7426030 Reduced gas flow purging system in reflectometer, ellipsometer, polarimeter and the like systems Martin M. Liphardt 2008-09-16
7385698 System and method of selectively monitoring sample front and backside reflections in ellipsometer and the like systems John A. Woollam, Martin M. Liphardt 2008-06-10
D566499 Flip-flop sandal bottle opener 2008-04-15
D565371 Surfboard bottle opener 2008-04-01
7345762 Control of beam spot size in ellipsometer and the like systems Martin M. Liphardt, Blaine D. Johs, John A. Woollam, Duane E. Meyer 2008-03-18
D563038 Las Vegas sign lighter 2008-02-26
D563039 Palm tree lighter 2008-02-26
D560030 Longboard lighter 2008-01-15
7317529 Aspects of producing, directing, conditioning, impinging and detecting spectroscopic electromagnetic radiation from small spots on samples Martin M. Liphardt, Ping He, Blaine D. Johs, Galen L. Pfeiffer, John A. Woollam 2008-01-08
7283234 Use of ellipsometry and surface plasmon resonance in monitoring thin film deposition or removal from a substrate surface John A. Woollam, Blaine D. Johs, Thomas E. Tiwald, Martin M. Liphardt 2007-10-16
7277171 Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systems Blaine D. Johs, Ping He, Martin M. Liphardt, Christopher A. Goeden, John A. Woollam 2007-10-02
7265838 Method of calibrating effects of multi-AOI-system for easy changing angles-of-incidence in ellipsometers and the like Blaine D. Johs, Ping He, Martin M. Liphardt, Christopher A. Goeden, John A. Woollam 2007-09-04
7253900 Ellipsometer or polarimeter and the like system with multiple detector element detector in environmental control chamber including secure sample access John A. Woollam, Gregory K. Pribil, Martin M. Liphardt 2007-08-07
7215423 Control of beam spot size in ellipsometer and the like systems Martin M. Liphardt, Blaine D. Johs, John A. Woollam 2007-05-08
7209234 Combined use of oscillating means and ellipsometry to determine uncorrelated effective thickness and optical constants of material deposited from a fluid John A. Woollam 2007-04-24
7151605 Methodology for providing good data at all wavelengths over a spectroscopic range Craig M. Herzinger, Steven E. Green, Ronald A. Synowicki 2006-12-19
7057717 System for and method of investigating the exact same point on a sample substrate with at least two wavelengths Martin M. Liphardt, Blaine D. Johs, Craig M. Herzinger, Ping He, Christopher A. Goeden +1 more 2006-06-06
7030982 Combined use of oscillating means and ellipsometry to determine uncorrelated effective thickness and optical constants of accumulated material John A. Woollam 2006-04-18
6930813 Spatial filter source beam conditioning in ellipsometer and the like systems Martin M. Liphardt, Blaine D. Johs, Craig M. Herzinger, Ping He 2005-08-16
6859278 Multi-AOI-system for easy changing angles-of-incidence in ellipsometer, polarimeter and reflectometer systems Blaine D. Johs, Ping He, Martin M. Liphardt, Christopher A. Goeden, John A. Woollam 2005-02-22
D498326 Lighter 2004-11-09
6624493 Biasing, operation and parasitic current limitation in single device equivalent to CMOS, and other semiconductor systems 2003-09-23
6590655 System and method of improving electromagnetic radiation beam characteristics in ellipsometer and the like systems Blaine D. Johs, Martin M. Liphardt, Ping He 2003-07-08