Optical: systems and elements – Optical modulator
Reexamination Certificate
2005-10-06
2008-11-04
Mack, Ricky L (Department: 2873)
Optical: systems and elements
Optical modulator
C359S231000, C359S558000
Reexamination Certificate
active
07446922
ABSTRACT:
Disclosed herein is an interdigitation-type diffractive light modulator. In the interdigitation-type diffractive light modulator of the present invention, each of a pair of ribbons has a plurality of diffractive branches which are arranged in a comb shape, and the diffractive branches of the ribbons interdigitate with each other. Furthermore, the respective ribbons moves upwards and downwards or, alternatively, one ribbon moves upwards and downwards, so that the diffractive branches of the ribbons which interdigitate with each other form a stepped structure, thus diffracting incident light.
REFERENCES:
patent: 6381062 (2002-04-01), Kowarz et al.
patent: WO 03/055788 (2003-10-01), None
An Seung Do
Han Seung Heon
Hong Yoon Shik
Yi Hyun Ju
Christensen O'Connor Johnson & Kindness PLLC
Mack Ricky L
Samsung Electro-Mechanics Co. Ltd.
Tra Tuyen Q
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