High temperature ultrasonic transducer device

Details High temperature ultrasonic transducer device High temperature ultrasonic transducer device

1993-10-21

1994-07-26

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310327, 310336, 73644, H04R 1700

Patent

active

053329430

ABSTRACT:
A hard faced contact ultrasound transducer device for transmitting ultrasound pulses into a workstructure at temperatures substantially above room temperature comprises a ceramic protection block, a piezoelectric element bonded to the protecting block, a damping substrate adjacent the piezoelectric element, a ceramic clamping block with standoff portions that limit the approach of the clamping block toward the ceramic protecting block, and fasteners to draw the clamping block toward the protecting block forcing the damping substrate against the piezoelectric element and the protecting block.

REFERENCES:
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patent: 3781576 (1973-12-01), Runde et al.
patent: 3921442 (1975-11-01), Soloway
patent: 4549107 (1985-10-01), Kaneko et al.
patent: 4703656 (1987-11-01), Bhardwaj
patent: 4741216 (1988-05-01), Bates et al.
patent: 4783997 (1988-11-01), Lynnworth
patent: 5156050 (1992-10-01), Schmid et al.
patent: 5195373 (1993-03-01), Light et al.
patent: 5214343 (1993-05-01), Baumoel

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