发明名称 MIKROGLASKUEGELCHEN VERWENDUNG IN RÜCKPROJEKTIONSSCHIRMANZEIGEVORRICHTUNGEN UND VERFAHREN
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 DE69915890(D1) 申请公布日期 2004.04.29
申请号 DE1999615890 申请日期 1999.09.22
申请人 3M INNOVATIVE PROPERTIES CO., SAINT PAUL 发明人 MORRIS, P.;ROLF, 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
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