Method and device for grooving wafers

a recess profile measuring device (180) arranged at a predetermined distance behind the beam directing device in the radiation beam displacement direction effected by the wafer table displacement drive for measuring a depth profile of the recess that has been formed by the radiation beam.

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Bibliographische Detailangaben
Hauptverfasser:	Van Lieshout, Richard, Knippels, Guido
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	a recess profile measuring device (180) arranged at a predetermined distance behind the beam directing device in the radiation beam displacement direction effected by the wafer table displacement drive for measuring a depth profile of the recess that has been formed by the radiation beam.