Method for processing workpieces by ultrasonic energy

Details Method for processing workpieces by ultrasonic energy Method for processing workpieces by ultrasonic energy

1994-03-31

1995-07-25

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 731, 156 733, 156358, 156359, B32B 3100

Patent

active

054358639

ABSTRACT:
An ultrasonic processing method is disclosed wherein during the processing time interval the motional amplitude of the resonating horn and thereby the power to the workpiece is reduced. The reduction in motional amplitude may be in response to a process condition such as a change in dimension of the workpiece or a sharp rise in the power curve, or it may be in response to the lapse of a predetermined time.

REFERENCES:
patent: 3432691 (1969-03-01), Shoh
patent: 3469211 (1969-09-01), Shoh et al.
patent: 3733238 (1973-05-01), Long et al.
patent: 4618516 (1986-10-01), Sager
patent: 4631685 (1986-12-01), Peter
patent: 4690722 (1987-09-01), Flood
patent: 4859378 (1989-08-01), Wolcott
patent: 4973876 (1990-11-01), Roberts

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