Polishing pad surface condition evaluation method and an apparatus thereof and a method of producing a semiconductor device

The object of the present invention is to establish a technology for directly evaluating polishing pad surface conditions, to allow high-precision CMP process management, and to improve process throughput. The pad surface is illuminated with light. The intensity of reflected light or fluorescence fr...

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Bibliographische Detailangaben
Hauptverfasser:	HIROSE TAKENORI, NOMOTO MINEO, AIUCHI SUSUMU, KOJIMA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING DRESSING OR CONDITIONING OF ABRADING SURFACES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING HANDLING RECORD CARRIERS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PERFORMING OPERATIONS PHYSICS POLISHING PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SEMICONDUCTOR DEVICES TESTING TRANSPORTING
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