Patent ID: 8614270

Claim:
A resin composition for an adhesive bonding of a semiconductor chip or a heat dissipating member comprising a filler (A) in an amount of 70 to 95 wt %, compound (B) having formula (1), thermal radical initiator (C), reactive diluent (I) and acrylamide compound (F) and not containing a photo polymerization initiator; wherein, Filler (A): a filler selected from the group consisting of silver gold, copper, nickel, palladium, aluminum nitride, boron nitride, calcium carbonate, silica, alumina and mixtures thereof: Compound (B): a bismaleimide compound (B′) represented by the following formula (3): wherein X 2 is —O—; each R 4 is hydrogen atom or methyl group; each R 5 is a hydrocarbon group having 1 to 11 carbons and containing no aromatic group; each R 6 is a hydrocarbon group having 3 to 6 carbons and containing no aromatic group; and “n” is an integer of 1 or more and 50 or less; and if the formula contains two or more parts which are denoted by the same symbol, each may be the same or different from each other; Acrylamide compound (F): a compound containing a structure represented by the following formula (6) in a main chain and having at least one functional group represented by the following formula (7): Formula (7) CH 2 ═CR 11 —CONH— (7) wherein X 4 is —O—, —COO— or —OCOO—; R 10 is a hydrocarbon group having 3 to 6 carbons; R 11 hydrogen atom or a methyl group; “r” is an integer of 9 or more and 50 or less; and if the formula contains two or more parts which are denoted by the same symbol, each of them may be the same or different from each other.