Inventor
HALE JEFFREY S
US34 patents
⚠️ This page may combine multiple inventors who share the name “HALE JEFFREY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
J A WOOLLAM CO INC
27 patentsUS7492455B1Feb 17, 2009
Discrete polarization state spectroscopic ellipsometer system and method of use
J A WOOLLAM CO INC22 citations93
US7075650B1Jul 11, 2006
Discrete polarization state spectroscopic ellipsometer system and method of use
J A WOOLLAM CO INC22 citations93
US7872751B2Jan 18, 2011
Fast sample height, AOI and POI alignment in mapping ellipsometer or the like
J A WOOLLAM CO INC10 citations84
US7705995B1Apr 27, 2010
Method of determining substrate etch depth
J A WOOLLAM CO INC11 citations84
US7336361B1Feb 26, 2008
Spectroscopic ellipsometer and polarimeter systems
J A WOOLLAM CO INC15 citations84
US7295313B1Nov 13, 2007
Application of intermediate wavelength band spectroscopic ellipsometry to in-situ real time fabrication of multiple layer alternating high/low refractive index filters
J A WOOLLAM CO INC12 citations84
US6940595B1Sep 6, 2005
Application of spectroscopic ellipsometry to in-situ real time fabrication of multiple layer alternating high/low refractive index filters
J A WOOLLAM CO INC14 citations84
US7567345B1Jul 28, 2009
Ellipsometer meeting scheimpflug condition with provision of an essentially circular electromagnetic radiation spot on a sample
J A WOOLLAM CO INC8 citations82
US7362435B1Apr 22, 2008
Method of determining initial thickness value for sample surface layer, and use of splines for fitting ellipsometric data
J A WOOLLAM CO INC7 citations74
US7304737B1Dec 4, 2007
Rotating or rotatable compensator system providing aberation corrected electromagnetic raadiation to a spot on a sample at multiple angles of a incidence
J A WOOLLAM CO INC8 citations74
US7245376B2Jul 17, 2007
Combined spatial filter and relay systems in rotating compensator ellipsometer/polarimeter
J A WOOLLAM CO INC9 citations74
US7193710B1Mar 20, 2007
Rotating or rotatable compensator spectroscopic ellipsometer system including multiple element lenses
J A WOOLLAM CO INC9 citations74
US6483586B1Nov 19, 2002
Beam splitting analyzer means in rotating compensator ellipsometer
J A WOOLLAM CO INC8 citations74
US10338362B1Jul 2, 2019
Beam focusing and reflecting optics with enhanced detector system
J A WOOLLAM CO INC3 citations73
US9921395B1Mar 20, 2018
Beam focusing and beam collecting optics with wavelength dependent filter element adjustment of beam area
J A WOOLLAM CO INC3 citations73
US9500843B1Nov 22, 2016
Beam focusing and beam collecting optics
J A WOOLLAM CO INC4 citations73
US9442016B2Sep 13, 2016
Reflective focusing optics
J A WOOLLAM CO INC4 citations73
US10175160B1Jan 8, 2019
Method to analyze spectroscopic ellipsometry or intensity data of porous samples utilizing the anisotropic bruggeman-effective medium theory
J A WOOLLAM CO INC5 citations71
US9976902B1May 22, 2018
Method to analyze spectroscopic ellipsometry data of porous samples utilizing the anisotropic Bruggeman-effective medium theory
J A WOOLLAM CO INC6 citations71
US10989601B1Apr 27, 2021
Beam focusing and reflective optics
J A WOOLLAM CO INC1 citations63
US7623237B1Nov 24, 2009
Sample investigating system
J A WOOLLAM CO INC5 citations63
US7215424B1May 8, 2007
Broadband ellipsometer or polarimeter system including at least one multiple element lens
J A WOOLLAM CO INC6 citations63
US7535566B1May 19, 2009
Beam chromatic shifting and directing means
J A WOOLLAM CO INC4 citations62
US7099006B1Aug 29, 2006
Ellipsometer or polarimeter and the like system with beam chromatic shifting and directing means
J A WOOLLAM CO INC3 citations62
US10018815B1Jul 10, 2018
Beam focusing and reflective optics
J A WOOLLAM CO INC1 citations52
US11675208B1Jun 13, 2023
Reflectometer, spectrophotometer, ellipsometer and polarimeter system with a super continuum laser source of a beam of electromagnetism, and improved detector system
J A WOOLLAM CO INC0 citations51
US10061068B1Aug 28, 2018
Deviation angle self-compensating substantially achromatic retarder
J A WOOLLAM CO INC0 citations42
J A WOOLLAM CO
2 patentsUS7075649B1Jul 11, 2006
Discrete polarization state rotatable compensator spectroscopic ellipsometer system, and method of calibration
J A WOOLLAM CO19 citations92
US6636309B1Oct 21, 2003
Application of spectroscopic ellipsometry to in situ real time fabrication of multiple alternating high/low refractive index narrow bandpass optical filters
J A WOOLLAM CO16 citations83