JPS6249921B

Method and apparatus are disclosed for measuring the thickness of a workpiece by periodically transmitting ultrasonic pulses into the workpiece, receiving ultrasonic echo pulses reflected from the bottom surface of the workpiece, measuring the period of time elapsed from the time of transmission of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NARUSHIMA ISAO, NAKANO MORIO
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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