Optical element containing an optical spacer
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 p...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
07.03.2006
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Subjects | |
Online Access | Get full text |
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Summary: | 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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Bibliography: | Application Number: US20020147777 |