Patent ID: 6310120
Filing Date: 2001-10-30
Classification: C08G,H01L

Abstract:
A flip-chip type semiconductor device sealing material comprising(A) 100 parts by weight of a liquid epoxy resin,(B) 0 to 100 parts by weight of a curing agent,(C) 50 to 300 parts by weight of spherical silica per 100 parts by weight of components (A) and (B) combined,(D) an effective amount to prohibit transmission of soft x-rays of a soft x-ray non-transmissive spherical inorganic filler, 50-100 weight-% of which is composed of a spherical zirconium containing compound oxide or zirconium oxide, and(E) 0.01 to 10 parts by weight of a curing accelerator per 100 parts by weight of components (A) and B) combined.