Accumulator for slurry sampling

A fluid collection apparatus having an accumulator for contacting a polishing surface of a polishing pad and collecting fluid from the polishing pad, a reservoir for receiving fluid from the accumulator, and a volume maintainer for maintaining a set volume of fluid in the reservoir.

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Bibliographische Detailangaben
Hauptverfasser:	WEI CONG, LI LEPING, LIPORI ROBERT B, GILHOOLY JAMES A, SUROVIC WILLIAM J, MORGAN, III CLIFFORD O
Format:	Patent
Sprache:	eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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Beschreibung
Zusammenfassung:	A fluid collection apparatus having an accumulator for contacting a polishing surface of a polishing pad and collecting fluid from the polishing pad, a reservoir for receiving fluid from the accumulator, and a volume maintainer for maintaining a set volume of fluid in the reservoir.