Adhesives and release liners with pyramidal structures

Details Adhesives and release liners with pyramidal structures Adhesives and release liners with pyramidal structures

2006-08-08

2006-08-08

Ahmad, Nasser (Department: 1772)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

C428S041700, C428S041800, C428S042100, C428S156000, C428S352000, C428S914000

Reexamination Certificate

active

07087279

ABSTRACT:
An adhesive article includes a release liner and an adhesive layer on the surface of the release liner. The release liner has a surface with an arrangement of structures thereon, wherein the structures extend downward from a plane of the surface. The structures have at least three sidewalls. A first sidewall makes an angle with respect to the plane of the surface of greater than about 0° and less than 90° and a second sidewall makes an angle with respect to the plane of the surface of greater than 0° and less than about 90°. The first sidewall angle differs from the second sidewall angle by more than about 10°.

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