Patent ID: 7147743
Filing Date: 2006-12-12
Classification: C09J,H01L,Y10T

Abstract:
1. An energy-beam-curable thermal-releasable pressure-sensitive adhesive sheet, which comprises: a base material; an energy-beam-curable thermo-expandable viscoelastic layer comprising a viscoelastic parent material and thermo-expandable microspheres and an energy-beam-curable compound incorporated in the viscoelastic parent material; and a pressure-sensitive adhesive layer, in this order, wherein the energy-beam-curable compound is selected from the group consisting of trimethylolpropane triacrylate, tetramethylolmethane tetraacrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol monohydroxypentaacrylate, dipentaerythritol hexaacrylate, 1,4-butyleneglycol diacrylate, 1,6-hexanediol diacrylate and polyethylene glycol diacrylate.