发明名称 |
METHODS FOR TESTING DURABLE OPTICAL ELEMENTS |
摘要 |
A method includes providing a polymerized optical film structure having a microstructured surface (720) , forming a scratch having a length on the microstructured surface to form a scratched optical film, illuminating (710) the scratched optical film to form an illuminated scratch, measuring a plurality of scratch contrast ratio values along the length of the illuminated scratch with a detector (730) , and determining a maximum scratch contrast ratio from the plurality of scratch contrast ratio values along the length of the scratch. |
申请公布号 |
WO2006041593(A1) |
申请公布日期 |
2006.04.20 |
申请号 |
WO2005US31479 |
申请日期 |
2005.09.01 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
GROESS, MICHAEL S.,;PANKRATZ, STEPHAN J., |
分类号 |
G01N21/47 |
主分类号 |
G01N21/47 |
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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