DA

David E. Aspnes

TH Therma-Wave: 13 patents #5 of 60Top 9%
BR Bell Communications Research: 3 patents #103 of 628Top 20%
BL Bell Telephone Laboratories: 3 patents #167 of 1,445Top 15%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
KL Kla-Tencor: 1 patents #809 of 1,394Top 60%
NU North Carolina State University: 1 patents #675 of 1,607Top 45%
Overall (All Time): #198,222 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7355708 Normal incidence rotating compensator ellipsometer 2008-04-08
7173700 Normal incidence rotating compensator ellipsometer 2007-02-06
6831743 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 2004-12-14
6650415 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 2003-11-18
6449043 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 2002-09-10
6411381 Method of reducing noise generated by arc lamps in optical systems employing slits Martin Ebert 2002-06-25
6411385 Thin film optical measurement system and method with calibrating ellipsometer Jon Opsal, Jeffrey T. Fanton 2002-06-25
6320657 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 2001-11-20
6304326 Thin film optical measurement system and method with calibrating ellipsometer Jon Opsal, Jeffrey T. Fanton 2001-10-16
6181421 Ellipsometer and polarimeter with zero-order plate compensator Joanne Law 2001-01-30
6134012 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 2000-10-17
5973787 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 1999-10-26
5900939 Thin film optical measurement system and method with calibrating ellipsometer Jon Opsal, Jeffrey T. Fanton 1999-05-04
5877859 Broadband spectroscopic rotating compensator ellipsometer Jon Opsal 1999-03-02
5798837 Thin film optical measurement system and method with calibrating ellipsometer Jon Opsal, Jeffrey T. Fanton 1998-08-25
5277747 Extraction of spatially varying dielectric function from ellipsometric data 1994-01-11
5091320 Ellipsometric control of material growth William E. Quinn 1992-02-25
4931132 Optical control of deposition of crystal monolayers Rajaram Bhat, Etienne G. Colas, Leigh T. Florez, James P. Harbison, Amabrose A. Studna 1990-06-05
4492466 Cylindrical grating monochromator for synchrotron radiation 1985-01-08
4380490 Method of preparing semiconductor surfaces Ambrose A. Studna 1983-04-19
4357179 Method for producing devices comprising high density amorphous silicon or germanium layers by low pressure CVD technique Arthur C. Adams, Brian G. Bagley 1982-11-02
4332833 Method for optical monitoring in materials fabrication Brian G. Bagley 1982-06-01