摘要 |
An article having a first major surface with at least first and second regions, the first region comprising a plurality of first structures having a first surface roughness, the second region comprising a plurality of second structures having a second surface roughness, wherein at least a portion of the at least first and second regions have a surface roughness difference between them that together exhibit at least a portion of a first image. Exemplary uses of the articles include tool-less macro-patterning of transflectors, customized appearance for retroreflective sheeting, incorporation of security features, decorative patterns for lighting diffusers, images or logos in medical films without inks or contamination. |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY;BAY, RANDY S.;DOCKEN, JAMES A. JR.;NELSON, BRIAN K.;PEKUROVSKY, MIKHAIL L.;ROMDHANE, ILYESS H.;THEIS, DANIEL J.;BENSON, OLESTER JR. |
发明人 |
BAY, RANDY S.;DOCKEN, JAMES A. JR.;NELSON, BRIAN K.;PEKUROVSKY, MIKHAIL L.;ROMDHANE, ILYESS H.;THEIS, DANIEL J.;BENSON, OLESTER JR. |