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Inventor
TIBBETTS RAYMOND E
US
3 patents
Patents
3 patents
US4744615A
May 17, 1988
Laser beam homogenizer
IBM
235 citations
97
US5159172A
Oct 27, 1992
Optical projection system
IBM
65 citations
95
US4171871A
Oct 23, 1979
Achromatic unit magnification optical system
IBM
87 citations
94