Defect measuring device for wafers

The device for measuring wafer defects includes a lower blower configured to inject air to a lower surface of a wafer to float the wafer; an upper blower provided to be moved up and down with respect to the lower blower and configured to inject the air to an upper surface of the wafer to fix the waf...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Han, Kee-Yun, Kang, Chi-Hun
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEMICONDUCTOR DEVICES TESTING
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