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publicationDate 1993-07-27-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-5230921-A
titleOfInvention Flexible piezo-electric membrane
abstract A piezo-electric flexible membrane is formed by treating a perfluorinated membrane in order to produce a membrane having an electrical resistance greater than 1x109 ohms. The resultant piezo-electric membrane may be used as an ultrasound transducer.
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