Patent ID: 9570335
Date: 2017-02-14
CPC Classifications: C08L,C09J,H01L,Y10T

Claim:
1. A method for using a dicing film which has an adhesive layer on at least one surface of a base film in a dicing process for manufacturing a semiconductor, wherein the base film consists of a copolymer (A) of at least two kinds of alkyl (meth)acrylates and styrene; and a styrene-based elastomer (B); wherein the copolymer (A) of at least two kinds of alkyl (meth)acrylates and styrene is a styrene-alkyl methacrylate-alkyl acrylate copolymer; wherein the styrene-based elastomer (B) is a hydrogenated styrene-isoprene-styrene copolymer; and wherein the weight ratio (NB) of the copolymer (A) of at least two kinds of alkyl (meth)acrylates and styrene to the styrene-based elastomer (B) in the base film is 65/35 to 45/55.