Patent ID: 7544727
Filing Date: 2009-06-09
Classification: C08K,H01L,Y10T

Abstract:
1. An encapsulating epoxy resin molding material having a disk flow of 80 mm or more comprising (A) an epoxy resin having a melt viscosity at 150° C. of 2 poise or less and selected from the group consisting of a biphenyl epoxy resin represented by general formula (I), a bisphenol F epoxy resin represented by general formula (II), a stilbene epoxy resin represented by general formula (III), a sulfur atom-containing epoxy resin represented by general formula (VII), an o-cresol novolac epoxy resin and a dicyclopentadiene epoxy resin, (B) a phenol resin curing agent having a melt viscosity at 150° C. of 2 poise or less, (C) an aminosilane coupling agent consisting of a secondary amino group or (D) a phosphate, and (E) an inorganic filler consisting essentially of a spherical inorganic filler; wherein R wherein R wherein R wherein R