Ultrasonic device with a disk-shaped resonator

Details Ultrasonic device with a disk-shaped resonator Ultrasonic device with a disk-shaped resonator

2011-01-18

2011-01-18

Budd, Mark (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S325000, C310S322000

Reexamination Certificate

active

07872400

ABSTRACT:
The present invention refers to an ultrasonic device comprising an ultrasound transducer; and a disk-shaped metallic low-frequency ultrasound (NFLUS) resonator being mechanically connected with the ultrasound transducer on one side of the resonator; a container with an opening on its bottom side and being arranged on the other side of the disk-shaped resonator such that the opening is facing the disk-shaped resonator; an elastic sealing element arranged between the disk-shaped resonator and the container for sealing the container around the opening; and means for supplying a pressing force such that the container is tightened on the resonator during ultrasonication, but can be repeatedly disassembled and assembled after ultrasonication.

REFERENCES:
patent: 3891869 (1975-06-01), Scarpa
patent: 3983425 (1976-09-01), Barlow
patent: 4153201 (1979-05-01), Berger et al.
patent: 4691724 (1987-09-01), Garcia et al.
patent: 5172344 (1992-12-01), Ehrlich
patent: 5994818 (1999-11-01), Abramov et al.
patent: 6140744 (2000-10-01), Bran

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