Method for bonding electrically conductive wires

Details Method for bonding electrically conductive wires Method for bonding electrically conductive wires

1983-10-19

1986-06-03

Albritton, Clarence L.

Electric heating

Metal heating

For bonding with pressure

219 85D, 219 85F, B23K 100

Patent

active

045931720

ABSTRACT:
A method which serves to bond electrically conductive wires by means of heating and of a soldering material; it is applicable in particular to wire segments of a hot wire fastened on wire holders for measuring the mass of a flowing medium, where the wire segments intersect one another and form a loop. In the method, in a first operation, the wire to be bonded is guided around the respective wire holder such that it forms a loop, and a soldering segment provided with a layer of soldering material comes to rest in the vicinity of the intersection point of the wire segments, in fact only at one of the wire segments. In a second operation, an electrode located at the poles of an electrical current circuit is made to contact the wire segment not provided with soldering material at the intersection point, and in a third operation, the electrical current circuit is closed by the switch for the purpose of resistance heating of the electrode, until the melting temperature of the soldering material is attained and the intersecting wire segments are soldered together at the intersection point.

REFERENCES:
patent: 4089453 (1978-05-01), Jenkins
patent: 4252016 (1981-02-01), Saver et al.
patent: 4486643 (1984-12-01), Gneiss et al.
Cary, Howard B., Modern Welding Technology, 1979, p. 227.

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