Device and method for repairing conductor path breaks by welding

Details Device and method for repairing conductor path breaks by welding Device and method for repairing conductor path breaks by welding

1981-07-08

1983-11-29

Goldberg, Elliot A.

Electric heating

Metal heating

For bonding with pressure

2940216, 219 869, 219 8621, 219119, 219158, B23K 1132

Patent

active

044182643

ABSTRACT:
To repair conductor path interruptions on printed circuit boards by means of micro-resistance welding, a specifically shaped metallic part is sucked on a central electrode by use of vacuum. The central electrode lowers the part so as to bridge the conductor path interruption to be repaired. On each side of the central electrode an outer electrode is provided which are lowered into contact with ends of the shaped part to provide independent micro-resistance welding at each end thereof by use of separate welding pulses, with the central electrode functioning in common for each welding.

REFERENCES:
patent: 2504509 (1950-04-01), Erickson
patent: 3342972 (1967-09-01), Penberg

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