发明名称 METHOD OF MAKING A PRIVACY FILM
摘要 A method of making a privacy film includes generally the following steps: providing a polymeric material, depositing the polymeric material onto a microstructured mold comprising a plurality of substantially parallel, elongated channels with specific geometry; inducing the polymeric material to flow into the channels of the microstructured mold; solidifying the polymeric material inside the channels to yield a plurality of light directing elements that are connected with one another via a polymeric base sheet; and separating the privacy film from the microstructured mold.
申请公布号 KR20080058370(A) 申请公布日期 2008.06.25
申请号 KR20087008634 申请日期 2008.04.11
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 GRAHAM PAUL D.;CLARKE GRAHAM M.
分类号 B29C33/42;B29C43/02 主分类号 B29C33/42
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