Chromium black light shield

Details Chromium black light shield Chromium black light shield

2005-09-06

2005-09-06

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Glare or unwanted light reduction

With absorption means

C359S613000, C359S601000

Reexamination Certificate

active

06939015

ABSTRACT:
A black light shield for preventing incident light from being received by light receiving elements, the black shield includes a support structure; a first CrOxlayer disposed over the support structure for absorbing the incident light in a substantially reflected transmission path; and a second CrOxlayer disposed integral with the support structure for absorbing the incident light in a substantially non-reflected transmission path.

REFERENCES:
patent: 5666177 (1997-09-01), Hsieh et al.
patent: 5782665 (1998-07-01), Weisfield et al.
patent: 6266117 (2001-07-01), Yanagawa et al.
patent: 2003/0102797 (2003-06-01), Kajiwara

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