Invention Grant
- Patent Title: Electrostatic chuck
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Application No.: US13630136Application Date: 2012-09-28
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Publication No.: US09608549B2Publication Date: 2017-03-28
- Inventor: Vijay D. Parkhe , Steven V. Sansoni , Cheng-Hsiung Matthew Tsai
- 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
- Agency: Moser Taboada
- Agent Alan Taboada
- Main IPC: H01L21/683
- IPC: H01L21/683 ; H02N13/00

Abstract:
Embodiments of electrostatic chucks are provided herein. In some embodiments, an electrostatic chuck for retaining a substrate includes a base plate, a ceramic plate, supported by the base plate, having a substrate supporting surface, a first plurality of electrodes disposed within the ceramic plate having a first polarity, and a second plurality of electrodes disposed within the ceramic plate having a second polarity opposite from the first polarity, wherein the first and second plurality of electrodes are independently controllable to provide a desired chucking power and frequency.
Public/Granted literature
- US20130088808A1 ELECTROSTATIC CHUCK Public/Granted day:2013-04-11
Information query
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