Piezoelectric acceleration pickup with a polymer transducer memb

Details Piezoelectric acceleration pickup with a polymer transducer memb Piezoelectric acceleration pickup with a polymer transducer memb

1980-06-26

1982-10-12

Grimley, Arthur T.

Electrical generator or motor structure

Piezoelectric polymers

310328, 73517R, 179110A, H01L 4122

Patent

active

043541348

ABSTRACT:
Piezoelectric acceleration pickup incorporating a transducer film made from a polymer material which, after treatment, has piezoelectric properties, two electrodes and a seismic mass provided by an excrescence on the polymer film, the assembly being obtained in one operation by moulding. According to a second variant, the pickup is in the form of an elongated object obtained by moulding a polymer material and in which are embedded two facing planar electrodes, the polymer material between these two electrodes constituting the transducer member and the material above these electrodes constituting the seismic mass.

REFERENCES:
patent: 1772163 (1930-08-01), Squyars
patent: 2963911 (1960-12-01), Courtney-Pratt et al.
patent: 4051395 (1977-09-01), Taylor

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