Patent ID: 6645643
Filing Date: 2003-11-11
Classification: C08K,C08L,H01L,Y10T

Abstract:
A polymeric composition for making semiconductor device packaging comprising:at least one epoxy resin; at least one curing agent in an amount of about 30 to 110 parts by weight per 100 parts by weight of said at least one epoxy resin; at least one silica-based reinforcing filler in an amount of about 300 to 2300 parts by weight per 100 parts of said at least one epoxy resin; and at least one control agent for controlling the rheology of the polymeric composition in an amount of about 0.1 to 50parts by weight per 100 parts by weight of said at least one epoxy resin, said at least one control agent being substantially free from polar groups.