Acoustic transducer with elastomeric coupling

Details Acoustic transducer with elastomeric coupling Acoustic transducer with elastomeric coupling

1976-02-05

1977-09-06

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310369, H01L 4104

Patent

active

040470601

ABSTRACT:
A piezoelectric disc having opposed major surfaces with electrodes affixed thereto bonded in generally parallel overlying relationship to a piezoelectrically inactive acoustic radiation member by means of an elastomeric interlayer, which elastomeric material is characterized by having a shear modulus which varies directly with the frequency of stresses applied to said elastomeric material.

REFERENCES:
patent: 2387108 (1945-10-01), Arndt et al.
patent: 2602327 (1952-07-01), Bond
patent: 3321648 (1967-05-01), Kolm

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