OPTICALLY ACTIVE SHEETS INCLUDING A MARK INDICATING A PREFERRED SHEET ORIENTATION
摘要
<p>One exemplary optically active material includes a mark that facilitates identification of a preferred application orientation of the material without significantly affecting the optical properties of the material. Another exemplary optically active material is wound into a roll including multiple, individual strips of pre-measured tape. Adjacent strips are separated by a separation line that can be, for example, a perforated separation line or a complete cut that fully separates the adjacent strips.</p>
申请公布号
WO2007041445(A1)
申请公布日期
2007.04.12
申请号
WO2006US38337
申请日期
2006.10.03
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
NORTHEY, PAUL J.,;MAY, DAVID.C.;DVORSKY, STEPHEN, M.;TURNER, MICHAEL, A.