Patent ID: 7517724
Filing Date: 2009-04-14
Classification: C08L,C09J,H01L

Abstract:
1. A dicing/die bonding sheet comprising a pressure-sensitive adhesive layer and an adhesive layer formed, in that order, on a base film, wherein said pressure-sensitive adhesive layer comprises a compound (A), containing at least one intramolecular, radiation curable carbon-carbon double bond with an iodine value of 0.5 to 20, and at least one compound (B) selected from a group consisting of polyisocyanates, melamine-formaldehyde resins, and epoxy resins, and said adhesive layer comprises an epoxy resin (a), a phenolic resin (b) with a hydroxyl equivalent of at least 150 g/eq., an epoxy group-containing acrylic copolymer (c), comprising from 0.5 to 6% by weight of glycidyl acrylate or glycidyl methacrylate, and with a weight average molecular weight of at least 100,000, a filler (d), and a curing accelerator (e).