SILICON SUBSTRATE INSPECTION DEVICE AND INSPECTION METHOD

PROBLEM TO BE SOLVED: To provide a silicon wafer inspection method and device configured to detect an internal crack even if gray level difference fo an image occurs due to unevenness of crystal grain boundary or an optical system.SOLUTION: A silicon wafer is irradiated with infrared illumination li...

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Bibliographische Detailangaben
1. Verfasser: IMAGAWA TAKESHI
Format: Patent
Sprache:eng
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