Optical element containing an optical spacer

Details Optical element containing an optical spacer Optical element containing an optical spacer

2006-03-07

2006-03-07

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Diffusing of incident light

C359S454000, C359S707000

Reexamination Certificate

active

07009771

ABSTRACT:
Disclosed is an optical element containing a rough surface having a roughness average equal to at least 5 micrometers wherein the rough surface contains at least two roughness populations in which the roughness average of the at least two populations varies by at least 8 micrometers. The invention provides an optical element containing an integral optical spacer while simultaneously providing scratch and impact resistance.

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patent: 2000019307 (1998-04-01), None

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