WAFER POLISHING SYSTEM

The wafer polishing system is disclosed. The wafer polishing system may comprise a polishing unit; a slurry distribution unit mounted on the polishing unit and distributing a slurry flowing into the polishing unit for wafer polishing; a slurry tank connected to the slurry distribution unit and stori...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Jae Pyo, BAEK, Seung Won
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DRESSING OR CONDITIONING OF ABRADING SURFACES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	The wafer polishing system is disclosed. The wafer polishing system may comprise a polishing unit; a slurry distribution unit mounted on the polishing unit and distributing a slurry flowing into the polishing unit for wafer polishing; a slurry tank connected to the slurry distribution unit and storing the slurry; a slurry pump connected to the polishing unit and the slurry tank for transferring the slurry from the slurry tank to the polishing unit; a first circulation line in which one side is connected to the slurry tank; a second circulation line in which one side is connected to the other side of the first circulation line and the other side is connected to the slurry distribution unit; and a cleaning liquid supply unit connected to the second circulation line for supplying a cleaning liquid flowing through the second circulation line.