Patent ID: 6124220
Filing Date: 2000-09-26
Classification: B32B,H05K,Y10S,Y10T

Abstract:
A laminated board comprising (1) an intermediate layer and (2) two surface layers formed on opposite sides of said intermediate layer;said intermediate layer (1) comprising (a) a central layer made of a nonwoven glass fiber fabric impregnated with a resin composition containing a thermosetting resin and an inorganic filler and (b) upper and lower layers formed on opposite sides of said central layer (a), each of said upper and lower layers (b) being fabric free and consisting essentially of said resin composition containing a thermosetting resin and an inorganic resin, andwherein the two surface layers (2) formed on the intermediate layer are made of a thermosetting resin-impregnated fiber substrate.