Mounting apparatus and method for piezoelectric tuning fork

Details Mounting apparatus and method for piezoelectric tuning fork Mounting apparatus and method for piezoelectric tuning fork

1981-05-27

1984-01-31

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310348, H01L 4108

Patent

active

044292481

ABSTRACT:
An improved mounting apparatus and method for a piezoelectric tuning fork (10) of the type made from a rectangular plate of quartz or similar material, the fork having a stem portion (12) and a pair of tines (14, 16) extending from the stem and defining between them a crotch (18) where they join the stem. The stem is supported on a pedestal (20-36) in such a way that the forwardmost edge (38) of the pedestal is spaced a distance d (in mils) having a magnitude in the range of 2565n/f to 3135n/f, where n is an integer and f is the fundamental frequency of the tuning fork in kilohertz. Improved suppression of overtone components is achieved during operation in the fundamental mode.

REFERENCES:
patent: 3683213 (1972-08-01), Staudte
patent: 3969640 (1976-07-01), Staudte

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