Metal fusion bonding – Process – Plural joints
Patent
1993-07-20
1994-12-06
Bradley, P. Austin
Metal fusion bonding
Process
Plural joints
228 45, 219 5622, B23K 3102
Patent
active
053703006
ABSTRACT:
A method is provided for electrically connecting between first and second bonding portions of a workpiece by a metal wire which is provided with a meltable insulating coating and held by a bonding tool. The method comprises causing the bonding tool to press an end of the wire against the first bonding portion of the workpiece for bonding thereto, and causing the bonding tool to press an intermediate portion of the wire against the second bonding portion of the workpiece for bonding thereto. Before bonding to the second bonding portion, the wire intermediate portion is heated to a temperature higher than a melting point of the insulating coating but lower than that of the wire.
REFERENCES:
patent: 4583676 (1986-04-01), Pena et al.
patent: 4998002 (1991-03-01), Okikawa et al.
Bradley P. Austin
Eilberg William H.
Knapp Jeffrey T.
Rohm & Co., Ltd.
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