Piezoelectric transducer made from a polymer material and process for manufacturing same
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United States of America Patent
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Dec 6, 1983
Issued Date -
N/A
app pub date -
Apr 21, 1982
filing date -
Aug 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Piezoelectric and pyroelectric transducers whose active element is formed by a polymer film. The transducer is manufactured from a flat polymer film by stretching this film over a mold so as to give it a self-supporting form and electroforming the stretched film by means of a corona discharge so as to induce in the polymer film a macromolecular chain translation between reversed and non-reversed neighboring chains.
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