发明名称 |
Microstructured screen and method of manufacturing using coextrusion |
摘要 |
The present invention is a method of forming an optical film including the following steps: providing a first film of a first material, extruding a second material to form a second film in a molten state; maintaining the second film in a molten state; bringing the first film proximate the molten second film; patterning the molten second film to form a plurality of structures, the structures defining a plurality of cavities therebetween; and solidifying the molten second film.
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申请公布号 |
US2005127541(A1) |
申请公布日期 |
2005.06.16 |
申请号 |
US20030732993 |
申请日期 |
2003.12.11 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SPURGEON KATHRYN M.;CULLEN PETER F.;THOMAS PATRICK A.;SOBOTTKA CHARLIE T.;BRIDGES S. L.;MOSHREFZADEH ROBERT S. |
分类号 |
B29C43/22;B29C43/30;B29D11/00;B32B37/15;B32B38/04;B32B38/06;G03B21/56;G03B21/62;(IPC1-7):B29D11/00 |
主分类号 |
B29C43/22 |
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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