Applied Materials, Inc.
POLISHING HEAD RETAINING RING TILTING MOMENT CONTROL
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Abstract:
Embodiments of the present disclosure generally relate to chemical mechanical polishing (CMP) systems used in the manufacturing of semiconductor devices. In one embodiment, the apparatus includes a polishing module, a retaining ring, wherein the retaining ring includes a protrusion on a radially outward edge, and a plurality of load pins disposed through the retaining ring.
Status:
Application
Type:
Utility
Filling date:
3 Nov 2020
Issue date:
14 Apr 2022