发明名称 |
Optical element containing an optical spacer |
摘要 |
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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申请公布号 |
US2003214720(A1) |
申请公布日期 |
2003.11.20 |
申请号 |
US20020147777 |
申请日期 |
2002.05.16 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
BOURDELAIS ROBERT P.;KAMINSKY CHERYL J. |
分类号 |
F21V3/04;G02B5/02;G02B5/04;G02F1/13357;(IPC1-7):F21V7/04;G02F1/133;G02B13/20;G02B7/18 |
主分类号 |
F21V3/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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