Ultrasonic weld location mask and method of use

Details Ultrasonic weld location mask and method of use Ultrasonic weld location mask and method of use

1987-04-03

1988-07-19

Godici, Nicholas P.

Metal fusion bonding

Process

Using high frequency vibratory energy

228 11, 1565801, 29701, B23K 2010

Patent

active

047579331

ABSTRACT:
Apparatus for the automated feeding, placement and ultrasonic welding of a metal disc, such as a copper heatsink, to a recipient workpiece. A metal disc is automatically fed through the broader end of a chamfered bore cut in a weld location mask. The metal disc is gravity-fed to the narrower end of the bore as the weld location mask is automatically positioned over a recipient workpiece. An ultrasonic welding tip is inserted through the bore to hold the metal disc against the recipient workpiece. Welding of the disc to the recipient workpiece is accomplished by ultrasonically vibrating the tip.

REFERENCES:
patent: 3143791 (1964-08-01), Lanahan et al.
patent: 3473212 (1969-10-01), Beck et al.
patent: 3650454 (1972-03-01), Concoulas
patent: 3710479 (1973-01-01), Bernardo et al.
patent: 4342090 (1982-07-01), Caccoma et al.
patent: 4596352 (1986-06-01), Knapp
patent: 4646957 (1987-03-01), Nuss

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