A novel torsional microtransducer using bulk PZT

  • James R. Friend
  • , Kentaro Nakamura
  • , Sadayuki Ueha

Research output: Contribution to journalConference articlepeer-review

Abstract

A torsional microactuator was developed using standard bulk lead zirconium titanate placed upon a small rectangular prism made from phosphor bronze, with a tapered conical end serving as a horn and a carefully machined interior to improve the actuator's response. The results of testing indicate torsional motion was obtained from the device, with torsional vibration velocities of 295 mm/s at 190 kHz being obtained at 27.5 VRMS at the output, amounting to 19,320 deg/sec vibration velocity along the outer circumference of the tip.

Original languageEnglish
Pages (from-to)1123-1126
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
Volume2
StatePublished - 2002
Event2002 IEEE Ultrasonics Symposium - Munich, Germany
Duration: Oct 8 2002Oct 11 2002

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