Method of making an oscillating crystal force transducer

Details Method of making an oscillating crystal force transducer Method of making an oscillating crystal force transducer

1988-03-14

1989-01-24

Hall, Carl E.

Metal working

Piezoelectric device making

29854, 310338, H01L 4122

Patent

active

047993014

ABSTRACT:
An oscillating crystal force transducer and method of making the same are provided, the transducer comprising support structure, a plate-shaped piezo-electric crystal having opposed sides and a peripheral edge extending between the opposed sides, and two seating members carried by the support structure and respectively engaging the peripheral edge of the crystal and arranged to apply a force to the crystal along a line extending through the crystal from one of the seating members to the other of the seating members, the support structure comprising a looped spring member having opposed ends spaced from each other to define the mouth of the looped spring member and respectively carrying the seating members whereby the crystal is disposed in the mouth of the looped spring member between the seating members thereof.

REFERENCES:
patent: 3274828 (1966-09-01), Pulvari
patent: 4126801 (1978-11-01), Corbett
patent: 4130624 (1978-12-01), Walker
patent: 4175243 (1979-11-01), Corbett
patent: 4542564 (1985-09-01), Mount
patent: 4703216 (1987-10-01), Corbett

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