Patent ID: 9659763
Date: 2017-05-23
CPC Classifications: C08G,C08K,C08L,C09J,H01L,Y10T

Claim:
1. A method of preparing a dicing die bonding film comprising the steps of: providing a dicing tape; and providing an adhesive portion that is formed on the dicing tape, wherein the adhesive portion includes an epoxy composition comprising (a) a thermoplastic resin having an internally-entangled structure, (b) an epoxy resin, and (c) a hardening agent; and wherein the providing an adhesive portion step includes diluting the thermoplastic resin in a solvent for a diluting time of 5 hours or more and less than 3 days to reduce the occurrence of burrs, wherein the epoxy composition satisfies the following general formula 1: wherein X is the content of gel measured after drying the epoxy composition at a temperature of 110° C. for 3 minutes.