Minnesota Mining and Manufacturing Company

Sharon R Bemis

Clyde D Calhoun

Larry A Meixner

Kenneth D Wilson

Buren R Ree

Method of preparing an adhesive sheet comprising (1) a backing, and (2) an adhesive layer having at least one topologically microstructured surface comprising a plurality of pegs, optionally containing one or more beads, substantially uniformly distributed and protruding outwardly from the adhesive layer, wherein the pegs have essentially flat tops that comprise less than 25% of the total surface contact area of the adhesive layer, and have a height of at least 15 .mu.m.

Method of preparing an adhesive article

An adhesive sheet comprising (1) a backing, and (2) an adhesive layer having at least one topologically microstructured surface comprising a plurality of pegs, optionally containing one or more beads, substantially uniformly distributed and protruding outwardly from the adhesive layer, wherein the pegs have essentially flat tops that comprise less than 25% of the total surface contact area of the adhesive layer, and have a height of at least 15 .mu.m.

Growing community of inventors

Osceola, WI, United States of America

Sharon R Bemis