Pressure transducer with piezoelectric crystal for harsh environment use

A pressure transducer comprising a housing and a piezoelectric resonator in the housing, wherein the resonator is made of a piezoelectric crystal having Curie temperature greater than 1000° C. or having no Curie temperature up to its melting point greater than 1000° C., and the piezoelectric crystal...

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Bibliographische Detailangaben
Hauptverfasser: SATO SHIGERU, IGARASHI JUEI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A pressure transducer comprising a housing and a piezoelectric resonator in the housing, wherein the resonator is made of a piezoelectric crystal having Curie temperature greater than 1000° C. or having no Curie temperature up to its melting point greater than 1000° C., and the piezoelectric crystal has a piezoelectric constant more than two times greater than that of quartz.