Load cup for chemical mechanical polishing

Abrading – Precision device or process - or with condition responsive... – Computer controlled

Reexamination Certificate

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Details

C451S288000

Reexamination Certificate

active

07044832

ABSTRACT:
Embodiments of a load cup for transferring a substrate are provided. The load cup includes a pedestal assembly having a substrate support and a de-chucking nozzle. The de-chucking nozzle is positioned to flow a fluid between the polishing head and the back side of a substrate during transfer of the substrate from the polishing head to the substrate support.

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patent: WO 99/41022 (1999-08-01), None

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