Electroacoustic piezoelectric transducers

Details Electroacoustic piezoelectric transducers Electroacoustic piezoelectric transducers

1985-04-30

1986-12-02

Wong, Peter S.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310800, 387174, 387191, H01L 4108

Patent

active

046267298

ABSTRACT:
The invention relates to an electroacoustic piezoelectric transducer comprising a mechanically stretched vibrating membrane composed of a polymer sheet (10) jointly interposed between two metallic electrodes (9 and 11), one of them (11) being constituted by metallization of one of the faces of the polymer sheet (10). The other electrode (9) is constituted by an autonomous metallic sheet offering a high resistance to mechanical tension, adhering intimately against the other face of the polymer sheet.

REFERENCES:
patent: 3792204 (1974-02-01), Murayama et al.
patent: 4156800 (1979-05-01), Sear et al.
patent: 4401911 (1983-08-01), Ravinet et al.
patent: 4419599 (1983-12-01), Micheron
patent: 4440983 (1984-04-01), Facoetti et al.
patent: 4535205 (1985-08-01), Ravinet et al.

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