Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1986-04-28
1987-09-29
Shaw, Clifford C.
Electric heating
Metal heating
Wire, rod, or bar bonding
219 5622, B23K 1132
Patent
active
046970584
ABSTRACT:
A welding apparatus for bonding small wires to a metal surface wherein an electric current is passed through a portion of a wire in contact with a welding tip, the apparatus having a welding tip support means for supporting the welding tip for rectilinear movement, the support means having movable mass less than 10 grams, the low mass enabling the welding tip to maintain contact with the wire portion during the molten phase of the wire during the welding operation, and a means to urge the tip support means into engagement with the wire.
REFERENCES:
patent: 3263059 (1963-11-01), Rzant
patent: 3775579 (1973-11-01), Burghart et al.
patent: 4171477 (1979-10-01), Funari
IBM TDB, Dec. 1982, p. 3591.
IBM TDB, Jun. 1983, p. 240.
IBM TDB, Feb. 1984, p. 4747.
IBM TDB, Nov. 1985, p. 2641.
International Business Machines - Corporation
Shaw Clifford C.
Stoffel Wolmar J.
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