ULTRASONIC PROBE AND PIEZOELECTRIC TRANSDUCER

PROBLEM TO BE SOLVED: To improve the reliability and the yield of electrode connection. SOLUTION: This ultrasonic probe has a plurality of piezoelectric elements 15 vibrating in the thickness direction Z and arranged in the array direction X substantially orthogonally crossing with the thickness dir...

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Bibliographische Detailangaben
Hauptverfasser:	YOMO HIROYUKI, AOKI MINORU
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HUMAN NECESSITIES HYGIENE IDENTIFICATION INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS PUBLIC ADDRESS SYSTEMS SURGERY TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve the reliability and the yield of electrode connection. SOLUTION: This ultrasonic probe has a plurality of piezoelectric elements 15 vibrating in the thickness direction Z and arranged in the array direction X substantially orthogonally crossing with the thickness direction Z, wherein each piezoelectric element 15 has a piezoelectric substance 17 consisting of a piezoelectric material, a plurality of signal electrodes 19 and earth electrodes 21 formed at the both end faces substantially orthogonally crossing with the thickness direction Z of each piezoelectric substance, and a plurality of non-piezoelectric portions 23 stored in each piezoelectric substance 17, arranged along the lens direction X substantially orthogonally crossing with the thickness direction Z and the array direction Y and having a substantially rectangular shape. COPYRIGHT: (C)2009,JPO&INPIT