ULTRASONIC FLAW DETECTOR AND ULTRASONIC FLAW DETECTION METHOD USING IT

PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detector capable of focusing an ultrasonic beam in a direction orthogonal to the arraying direction of vibrators, and an ultrasonic flaw detection method using it. SOLUTION: The device includes a phased array probe 11 formed by arraying a plurality...

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Bibliographic Details
Main Authors HIRASAWA HIDEYUKI, OKAUCHI HIRONORI, NISHIO MAMORU
Format Patent
LanguageEnglish
Published 21.02.2008
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
MEASURING
PHYSICS
PUBLIC ADDRESS SYSTEMS
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detector capable of focusing an ultrasonic beam in a direction orthogonal to the arraying direction of vibrators, and an ultrasonic flaw detection method using it. SOLUTION: The device includes a phased array probe 11 formed by arraying a plurality of vibrators 12 in a prescribed direction, and an acoustic lens 13 provided in contact with a transmission/reception face of the ultrasonic beam from the phased array probe 11. The acoustic lens 13 includes a groove 14 opened to the phased array probe 11 side, having a longitudinal direction formed in parallel with the arraying direction of the plurality of vibrators, and bent in a direction orthogonal to the arraying direction. A medium having sound velocity different from the acoustic lens 13 is filled in the groove 14. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20060215493