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Piezokeramischer Resonator

Piezoceramic resonator e.g. for filter and material testing in MHz range - has PZT layer sintered on to carrier with ground electrode and cover electrode in turn mounted on PZT layer..
: Gesemann, H.J.; Schoenecker, A.; Seffner, L.

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DE 1995-19540204 A: 19951028
DE 1995-19540204 A: 19951028
DE 19540204 C2: 19991111
Patent, Elektronische Publikation
Fraunhofer IKTS ()

The piezoceramic resonator uses a thick oscillation. A PZT layer is arranged on a carrier with a ground electrode using a sintering process at less than or equal to 950 degrees centigrade. A cover electrode is in turn mounted on the PZT layer. In one embodiment the carrier is in the form of a plate, a small rod, a sphere, a tube or a tubular segment. The PZT layer can be printed, injected or rolled on. ADVANTAGE - Has high mechanical stability.