Invention Grant
US09275838B2 Arrangements for manipulating plasma confinement within a plasma processing system and methods thereof
有权
在等离子体处理系统中操纵等离子体约束的布置及其方法
- Patent Title: Arrangements for manipulating plasma confinement within a plasma processing system and methods thereof
- Patent Title (中): 在等离子体处理系统中操纵等离子体约束的布置及其方法
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Application No.: US12552474Application Date: 2009-09-02
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Publication No.: US09275838B2Publication Date: 2016-03-01
- Inventor: Eller Y. Juco , Neungho Shin , Yunsang Kim , Andrew Bailey
- Applicant: Eller Y. Juco , Neungho Shin , Yunsang Kim , Andrew Bailey
- 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: H01J37/32
- IPC: H01J37/32

Abstract:
An arrangement for controlling bevel etch rate during plasma processing within a processing chamber. The arrangement includes a power source and a gas distribution system. The arrangement also includes a lower electrode, which is configured at least for supporting a substrate. The arrangement further includes a top ring electrode positioned above the substrate and a bottom ring electrode positioned below the substrate. The arrangement yet also includes a first match arrangement coupled to the top ring electrode and configured at least for controlling current flowing through the top ring electrode to control amount of plasma available for etching at least a part of the substrate top edge. The arrangement yet further includes a second match arrangement configured to control the current flowing through the bottom ring electrode to control amount of plasma available for at least etching at least a part of the substrate bottom edge.
Public/Granted literature
- US20110049101A1 ARRANGEMENTS FOR MANIPULATING PLASMA CONFINEMENT WITHIN A PLASMA PROCESSING SYSTEM AND METHODS THEREOF Public/Granted day:2011-03-03
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