Patent ID: 6617701
Filing Date: 2003-09-09
Classification: C08G,C08L,H01L,Y10T

Abstract:
A semiconductor device comprising a semiconductor element, a base to support said semiconductor element, and an epoxy resin composition covering only one side opposite the base, wherein said epoxy resin composition comprises: (A) epoxy resin, (B) hardener, and (C) inorganic filler, and giving a cured product which has (a) a flexural modulus of elasticity of 10 to 30 Gpa at 23Â° C. and (b) a coefficient of linear expansion of 4Ã—10âˆ’6/K to 10Ã—10âˆ’6/K in the temperature range from 23Â° to the glass transition point, with the product of (a) and (b) being smaller than 2Ã—10âˆ’4 Gpa/K.