Invention Grant
- Patent Title: Method and system for distributing gas for a bevel edge etcher
- Patent Title (中): 用于分配斜边蚀刻器的气体的方法和系统
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Application No.: US11697695Application Date: 2007-04-06
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Publication No.: US08475624B2Publication Date: 2013-07-02
- Inventor: Greg Sexton , Andrew Bailey, III , Alan Schoen
- Applicant: Greg Sexton , Andrew Bailey, III , Alan Schoen
- Applicant Address: US CA Fremont
- Assignee: Lam Research Corporation
- Current Assignee: Lam Research Corporation
- Current Assignee Address: US CA Fremont
- Agency: Martine Penilla Group, LLP
- Main IPC: C23F1/00
- IPC: C23F1/00 ; H01L21/306 ; B44C1/22 ; C03C15/00 ; C03C25/68

Abstract:
A plasma etch processing chamber configured to clean a bevel edge of a substrate is provided. The chamber includes a bottom edge electrode and a top edge electrode defined over the bottom edge electrode. The top edge electrode and the bottom edge electrode are configured to generate a cleaning plasma to clean the bevel edge of the substrate. The chamber includes a gas feed defined through a top surface of the processing chamber. The gas feed introduces a processing gas for striking the cleaning plasma at a location in the processing chamber that is between an axis of the substrate and the top edge electrode. A pump out port is defined through the top surface of the chamber and the pump out port located along a center axis of the substrate. A method for cleaning a bevel edge of a substrate is also provided.
Public/Granted literature
- US20080216864A1 METHOD AND SYSTEM FOR DISTRIBUTING GAS FOR A BEVEL EDGE ETCHER Public/Granted day:2008-09-11
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