Patent ID: 6794058
Filing Date: 2004-09-21
Classification: C08K,Y10T

Abstract:
A flip-chip type semiconductor device sealed with a light transmissive epoxy resin composition comprising(A) an epoxy resin having the following general formula (i): â€ƒwherein n is 0 or a positive number, (B) a curing accelerator, and (C) an amorphous silica-titania co-melt, said composition satisfying the relationship of the following formula (1): [{2&it;(nA2+nC2)-(nA+nC)2}/2]1/2<3.0Ã—10-3(1)wherein nA is the refractive index at 25Â° C. of the cured product of the composition excluding the inorganic filler, and nC is the refractive index at 25Â° C. of the inorganic filler.