Method of ultrasonic welding of different metals

Details Method of ultrasonic welding of different metals Method of ultrasonic welding of different metals

1996-03-15

1997-07-29

Heinrich, Samuel M.

Metal fusion bonding

Process

Using high frequency vibratory energy

2282331, B23K 2010, H01L 21607

Patent

active

056514948

ABSTRACT:
A stack of two different metals to be welded, one of which is harder than the other, and an additional soft metal placed on the harder metal is placed between a pair of horn tips (grip members) of an ultrasonic welder. The harder metal is covered with a soft metal layer of a high plastic fluidity. Serrations are formed on the surface of the horn tips to grip the softer metal and the additional metal tightly during ultrasonic vibration is applied.

REFERENCES:
patent: 3360849 (1968-01-01), Forman et al.
patent: 3650454 (1972-03-01), Coucoulas
patent: 3670394 (1972-06-01), Daniels et al.
patent: 4757933 (1988-07-01), Hawkins et al.
patent: 5288006 (1994-02-01), Otsuka et al.
patent: 5511719 (1996-04-01), Miyake et al.

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