Known gold and gold-alloy wires for connecting semiconductor chips to terminals on the lead frame often exhibit loop formations, drifts and excess lengths when automatically bonded. This is avoided if at least 50% of the crystallites in the wire have a preferred orientation in the axial direction corresponding to a &Lang&100&Rang& fibre structure.
申请公布号
EP0101592(A2)
申请公布日期
1984.02.29
申请号
EP19830107764
申请日期
1983.08.06
申请人
DEMETRON GESELLSCHAFT FUER ELEKTRONIK-WERKSTOFFE M.B.H.