申请人:TORAY INDUSTRIES, INC.
公开号:EP0450944A2
公开(公告)日:1991-10-09
An epoxy resin composition for encapsulating a semiconductor device comprises (i) an epoxy resin (A) comprising at least one of a bifunctional epoxy resin (a1) having a biphenol skeleton and a bifunctional epoxy resin (a2) having a naphthalene skeleton, (ii) a curing agent (B), and (iii) a filler comprising fused silica (C) consisting of 97 to 50 wt% of crushed fused silica (C1) of a mean particle diameter not more than 10 µm and 3 to 50 wt% of spherical fused silica (C2) of a mean particle diameter not more than 4 µm, wherein the mean particle diameter of the spherical fused silica is smaller than the mean particle diameter of the crushed fused silica, and the amount of the filler is 75 to 90 wt% of the total weight of the composition.
一种用于封装半导体器件的环氧树脂组合物包括(i)环氧树脂(A),该环氧树脂(A)包括具有双酚骨架的双官能环氧树脂(a1)和具有萘骨架的双官能环氧树脂(a2)中的至少一种;(ii)固化剂(B)、和 (iii) 由熔融石英(C)组成的填料,熔融石英(C)包括 97 至 50 wt%的平均粒径不超过 10 µm 的碎熔融石英(C1)和 3 至 50 wt%的平均粒径不超过 4 µm 的球形熔融石英(C2),其中球形熔融石英的平均粒径小于碎熔融石英的平均粒径,填料的量占组合物总重量的 75 至 90 wt%。