发明名称 |
Glasmikrokugler til anvendelse i bagsideprojektionsfremvisningsskærme og fremgangsmåder |
摘要 |
Glass microspheres and rear projection screens containing glass microspheres, which combine a desirable index of refraction (preferably, no greater than about 1.70) and low levels of defects (e.g., bubbles, visible haziness, frostiness, or opacity, substantially nonspherical shapes) upon formation are provided. Also provided is a coating method of placing microspheres on a film for use in a rear projection screen. |
申请公布号 |
DK1192111(T3) |
申请公布日期 |
2004.06.14 |
申请号 |
DK19990948394T |
申请日期 |
1999.09.22 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
MORRIS, GEOFFREY, P.;ROLF, JACQUELINE, C. |
分类号 |
C03C3/062;C03C3/064;C03C12/00;C03C12/02;C03C17/00;G03B21/62;H04N5/74;(IPC1-7):C03C12/00 |
主分类号 |
C03C3/062 |
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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