Polishing apparatus

A polishing apparatus capable of increasing an added value is disclosed. The polishing apparatus includes a polishing table configured to support a polishing pad, a top ring configured to press a substrate against the polishing pad, and a liquid supply mechanism configured to supply a liquid onto th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Yamazaki, Takashi, Sone, Tadakazu, Kosuge, Ryuichi, Kobata, Itsuki
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A polishing apparatus capable of increasing an added value is disclosed. The polishing apparatus includes a polishing table configured to support a polishing pad, a top ring configured to press a substrate against the polishing pad, and a liquid supply mechanism configured to supply a liquid onto the polishing pad. The liquid supply mechanism includes a nozzle arm configured to be movable in a radial direction of the polishing table, and a liquid ejection nozzle attached to the nozzle arm. The liquid ejection nozzle is a fan-shaped nozzle having a liquid throttle surface having a tapered shape.