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...http://www.google.com/patents/US7332206?utm_source=gb-gplus-sharePatent US7332206 - Adhesives and release liners with pyramid structures
