Optics: measuring and testing – By polarized light examination
Reexamination Certificate
2007-06-12
2007-06-12
Chowdhury, Tarifur (Department: 2886)
Optics: measuring and testing
By polarized light examination
Reexamination Certificate
active
10652696
ABSTRACT:
Disclosed is a system comprising a stage with “X”, “Y” and “Z” translation and “X”, “Y” and optionally “Z” axes rotation capability, in combination with interrogation and monitoring means which act in functional combination to orient the surface of a sample so as to set an intended oblique approach of an electromagnetic beam with respect to a sample surface at a monitored location thereon.
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PCT Wo 99/45340 Kla-Tencer.
He Ping
Liphardt Martin M.
Akanbi Isiaka O.
Chowdhury Tarifur
J.A. Woollam Co. Inc.
Welch James D.
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