Invention Publication
- Patent Title: SUBSTRATE SUPPORT GAP PUMPING TO PREVENT GLOW DISCHARGE AND LIGHT-UP
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Application No.: US17553305Application Date: 2021-12-16
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Publication No.: US20230197495A1Publication Date: 2023-06-22
- Inventor: James David CARDUCCI , Kenneth S. COLLINS , Michael R. RICE , Kartik RAMASWAMY , Silverst Antony RODRIGUES , Yang YANG
- Applicant: Applied Materials, Inc.
- Applicant Address: US CA Santa Clara
- Assignee: Applied Materials, Inc.
- Current Assignee: Applied Materials, Inc.
- Current Assignee Address: US CA Santa Clara
- Main IPC: H01L21/683
- IPC: H01L21/683 ; H01L21/687 ; H01J37/32

Abstract:
Embodiments of substrate supports for use in substrate processing chambers are provided herein. In some embodiments, a substrate support for use in a substrate processing chamber includes: a pedestal having a first side configured to support a substrate and a second side opposite the first side; a plurality of substrate lift pins extending through the pedestal, wherein a plurality of first gaps are disposed between the plurality of substrate lift pins and respective ones of a plurality of substrate lift pin openings in the pedestal; and vacuum lines that extend from the plurality of substrate lift pin openings and that are configured to pump down the plurality of substrate lift pin openings.
Information query
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