Method and apparatus for the permanent polarization of piezoelec

Details Method and apparatus for the permanent polarization of piezoelec Method and apparatus for the permanent polarization of piezoelec

1976-04-08

1978-05-09

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

361233, H01L 4122

Patent

active

040889173

ABSTRACT:
A method and apparatus for processing piezoelectric bodies to have a permanent polarization for use as electroacoustic transducers or the like are described. During the application of a constant polarizing electric field to a piezoelectric body, the surfaces of the body, which for example, might be in the shape of a disc, have applied thereto a surface pressure. A clamping device having smooth surfaces is used for this purpose.

REFERENCES:
patent: 2486560 (1949-11-01), Gray
patent: 2702427 (1955-02-01), Roberts
patent: 2928032 (1960-03-01), Daniel et al.
patent: 3055081 (1962-09-01), Roberts
patent: 3108211 (1963-10-01), Alleman et al.
patent: 3945099 (1976-03-01), Kansy

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