Patent ID: 6855418
Filing Date: 2005-02-15
Classification: H01L,Y10T

Abstract:
1. A tape for forming a resin tie bar, comprising: a removable tape base material that has a surface tension of not more than 40 dyn/cm; and an insulative adhesive layer comprising an insulative adhesive agent and formed on the tape base material, the insulative adhesive layer having a modulus of elasticity of not more than 1×10 wherein the insulative adhesive agent exhibits stepped adhesion and is formed from a composition that contains a (meth)acrylic ester copolymer with a weight average molecular weight of at least 30,000, an epoxy resin with a weight average molecular weight of 100 to 10,000, a photopolymerizable low-molecular weight compound, and a thermal activation latent epoxy resin curing agent.