Cruciform ultrasonic transducer

Details Cruciform ultrasonic transducer Cruciform ultrasonic transducer

2006-02-07

2006-02-07

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000, C310S322000, C310S323120

Reexamination Certificate

active

06995498

ABSTRACT:
An ultrasonic transducer having an ultrasonic conducting element with a plurality of arms extending from a common junction with some of the arms being provided with ultrasonic generators, at least one other arm carrying a bonding tool, especially for bonding a conductor to a chip and at least two of the arms including a straight angle of 180° with one another.

REFERENCES:
patent: 4854494 (1989-08-01), von Raben
patent: 5377894 (1995-01-01), Mizoguchi et al.
patent: 5540807 (1996-07-01), Akiike et al.
patent: 5595328 (1997-01-01), Safabakhsh et al.
patent: 5697545 (1997-12-01), Jennings et al.
Recent Development of Ultrasonic welding IEEE Nov. 1995 pp. 1051-1060.
Recent Development of Ultrasonic welding IEEE Nov. 1995 pp. 1051-1060.

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