Laser-personalizable security articles

申请公布号：

US9289962(B2)

申请号：

US201214118592

申请日期：

2012.05.16

申请公布日期：

2016.03.22

申请人：

3M Innovative Properties Company

发明人：

Chen-Ho Kui;Haas Christopher K.;Dunn Douglas S.;Fansler Duane D.;Xia Jianhui;Zhu Dong-Wei;Filiatrault Timothy D.;Olson David B.;Larson Randy A.;Zhang Jun-Ying;Hao Encai

分类号：

B32B3/00;B32B3/10;B32B7/12;B32B37/18;B42D25/29;B42D25/342;B42D25/324;B42D25/41;B42D25/47

主分类号：

B32B3/00

代理人：

Olofson Jeffrey M.

地址：

St. Paul MN US

摘要：

Laser-personalizable security articles include a multi-layer security document and an optically transparent processing tape. The multi-layer security document includes an optically transparent cover layer, a composite image and an imagable layer adjacent to the cover layer. The first surface of the cover layer is at least partially a microstructured surface, where the microstructured surface forms microlenses or a lenticular surface. The composite image is made by a collection of complete or partial images viewed through the microstructured surface of the cover layer. The composite image is located on or within the second surface of the cover layer. The imagable layer is a laser. The optically transparent processing tape sufficiently wets out on the misconstructured surface to render the microstructured surface invisible to a writing laser.

主权项：

1. A laser-personalizable security article comprising: a multi-layer security document, the multi-layer security document comprising: an optically transparent cover layer with a first surface, a second surface, and a thickness between the first surface and the second surface, the first surface being at least partially a microstructured surface, having a refractive index between 1.45 and 1.55, wherein the microstructured surface forms microlenses or a lenticular surface; a composite image, wherein the composite image comprises a collection of complete or partial images located on the second surface of the cover layer such that when viewed through the microstructured surface of the cover layer, the collection of complete or partial images forms the composite image; and an imagable layer adjacent to the second surface of the cover layer, wherein the imagable layer comprises a laser imagable layer; and an optically transparent, removable, conformable layer, wherein the removable, conformable layer comprises a processing tape wherein the tape comprises and optically transparent backing; and an optically transparent pressure sensitive adhesive layer at least partially coated on the backing, wherein the pressure sensitive adhesive sufficiently wets out on the microstructured surface to render the microstructured surface invisible to a writing laser and the optically transparent, removable, conformable laver has a refractive index in the range of 1.45-1.55.