Sandblast Mask Laminate With Blastable Pressure Sensitive Adhesive

Author:  T Komatsu
Source:  US Patent 5,989,689
Doc ID:  1999070
Year of Publication:  1999
Abstract:  
A sandblast mask laminate useful in sandblasting operations is disclosed. The laminate comprises a photoresist mask layer, a pressure sensitive adhesive composition comprising a non-elastomeric resin and a tackifier in combination to produce a compositionhaving a Tg of less than about -40 degrees C., a carrier film layer and a release liner.