CONCAVE TRANSDUCER FOR FOCUSING ULTRASONIC WAVE OF ULTRASONIC MICROSCOPE

PURPOSE:To obtain a concave transducer for wide range of focusing ultrasonic wave without much loss of ultrasonic waves by forming a matching layer of thickness of odd number times a quater of the wave length between a piezoelectric body and a substrate and also between the substrate and a sound fie...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUSHIBIKI JIYUNICHI, IYAMA YOSHITADA, NAKABACHI NORITOSHI, SANNOMIYA TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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