Patent ID: 6060150
Filing Date: 2000-05-09
Classification: B32B,H01L,H05K,Y10S,Y10T

Abstract:
A sheet mixture for a thermally conductive substrate comprising 70 to 95 weight parts of an inorganic filler and 5 to 30 weight parts of a thermosetting resin composition comprising at least one thermosetting resin, a hardener and a hardening accelerator; said sheet mixture having flexibility in a half hardened state or partially hardened state,wherein said thermosetting resin composition comprises:1) 4 to 45 weight parts of a first resin that is solid at room temperature,2) 5 to 50 weight parts of a second resin that is liquid at room temperature,3) 4.9 to 45 weight parts of said hardener, and4) 0.1 to 5 weight parts of said hardening accelerator in 100 weight parts of said thermosetting resin composition.