CRACK DETECTION DEVICE AND METHOD

To provide a crack detection device and method with which it is possible to accurately detect the position of an underside of a workpiece even when the position is where a crack exists.SOLUTION: A crack detection device 10 for detecting the crack depth of a crack formed inside a workpiece, comprises...

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Bibliographische Detailangaben

1. Verfasser:	NAGAI RYUTARO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS SEMICONDUCTOR DEVICES TESTING
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