Patent ID: 8177116

Claim:
A method of making a stainless steel and a titanium component assembly for implantation in living tissue comprising the steps of: placing a filler material between a stainless steel part and a titanium part; compressing said filler material, forming intimate contact between said stainless steel part and said titanium part by said compressing; said filler material having a melting point that is lower than the melting point of said titanium part or of said stainless steel part; bonding said component assembly, comprising said stainless steel part, said titanium part and said filler material, at a known temperature, for a predetermined time, said known temperature less than said melting point of said titanium part or said stainless steel part, but greater than said melting point of said filler material; selecting said stainless steel part from the group consisting of 200, 300, and 400 series stainless steel; selecting said titanium part from the group consisting of titanium and titanium alloys, wherein the improvement comprises: selecting said filler material to be a laminated filler material comprised of at least one foil layer of titanium and at least one foil layer of nickel; selecting said bonding temperature between 940° and 1260° C.; and implanting said component assembly in a human body.