Patent ID: 10867895

Abstract:
A lead-frame structure having two faces and exposing a treated silver surface on at least one of said two faces, the treated silver surface(s) serving the wire bonding, which lead-frame structure has a surface which, after applying resin to it, has excellent adhesion even under severe testing conditions, such as the IPC/JEDEC J-STD-20 MSL standard, and a surface mount electronic device comprising a lead-frame or lead-frame entity and at least one semiconductor device mounted thereon, wherein the lead-frame or lead-frame entity exposes a treated silver surface on at least one of the two faces thereof, wherein the treated silver surface(s) serve(s) the wire bonding, and wherein a resin is applied to the lead-frame or lead-frame entity, and which surface mount electronic device has excellent adhesion of the surface of the lead-frame or lead-frame entity even under severe testing conditions.