Piezoelectric crystal element for use in force, pressure and acc

Details Piezoelectric crystal element for use in force, pressure and acc Piezoelectric crystal element for use in force, pressure and acc

1980-05-28

1982-07-27

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310338, 310329, 310361, H01L 4108

Patent

active

043419747

ABSTRACT:
A piezoelectric crystal element for use in force and pressure transducers and accelerometers, consisting of a monocrystalline cubic-polar material with electrode faces that intersect one of the crystallographic principal axes X,Y,Z at an angle .alpha.'=arc sin .sqroot.p and the other principal axes at .beta.'=.+-.1/2 arc cos p, wherein p=0 for the piezoelectric orthoaxial shear effect, p=1/3 for the longitudinal piezoeffect and p=1 for the transverse piezoeffect.

REFERENCES:
patent: 3409464 (1968-11-01), Shiozawa
patent: 3714476 (1973-01-01), Epstein
patent: 3735161 (1973-05-01), Perkins
patent: 3863497 (1975-02-01), Vaart

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