An optical film having structures that vary in height along their length where the variations have a nominal period of less than forty times the nominal height of the structures is taught. In some embodiments of the invention the variation is random.
申请公布号
CA2318790(A1)
申请公布日期
1999.08.26
申请号
CA19992318790
申请日期
1999.01.22
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
KRETMAN, WADE D.;NIEZGOCKI, MARVIN J.;HOOPMAN, TIMOTHY L.;COBB, SANFORD JR.;CAMPBELL, ALAN B.
