Platen shield cleaning system

In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Patankar, Sumit Subhash, D'Ambra, Allen L, Davis, Nathan Arron, Gadgil, Shantanu Rajiv
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CLEANING CLEANING IN GENERAL 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 PREVENTION OF FOULING IN GENERAL SEMICONDUCTOR DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	In a chemical mechanical polishing system, a platen shield cleaning assembly is installed on a rotatable platen in a gap between the rotatable platen and a platen shield. The assembly includes a sponge holder attached to the platen and a sponge. The sponge is held by the sponge holder such that an outer surface of the sponge is pressed against an inner surface of the platen shield.