Patent ID: 8685598
Filing Date: 2014-04-01
Classification: C08L,C09J,G03F

Abstract:
1. A pellicle comprising: a pellicle frame; a pellicle membrane disposed on one end surface of the pellicle frame; and an adhesive layer disposed on the other end surface of the pellicle frame, wherein the adhesive layer consists of a mask adhesive which contains 100 weight parts of a styrene resin (A) and 35 to 170 weight parts of a hardness adjuster (B) containing a homopolypropylene or random polypropylene containing 5 mol % or less of a comonomer component (b1) and a propylene based elastomer (b2); and in an electron microscopic photograph of the mask adhesive, a phase-separated structure of a continuous phase of the styrene resin (A) and a discontinuous phase of the hardness adjuster (B) is observed.