Invention Grant
- Patent Title: Wafer holder with tapered region
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Application No.: US14749713Application Date: 2015-06-25
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Publication No.: US10159112B2Publication Date: 2018-12-18
- Inventor: Yi-Hung Lin , Li-Ting Wang , Tze-Liang Lee
- Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
- Applicant Address: TW Hsin-Chu
- Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- Current Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- Current Assignee Address: TW Hsin-Chu
- Agency: Haynes and Boone, LLP
- Main IPC: F27D11/00
- IPC: F27D11/00 ; H05B1/02 ; H01L21/683 ; H01L21/477 ; H01L21/306 ; H01L21/673 ; H01L21/687 ; F27B17/00 ; F27D5/00 ; H01L21/67

Abstract:
An apparatus, a system and a method are disclosed. An exemplary method includes providing a wafer process chamber and a plurality of radiant heat elements under the wafer process chamber, receiving a wafer holder configured to be used in the wafer process chamber, and processing a wafer located on the wafer holder in the wafer process chamber. The wafer holder includes: a wafer contact portion including an upper surface and a lower surface, an exterior portion including an upper surface and a lower surface, and a tapered region formed in the wafer contact portion.
Public/Granted literature
- US20150296564A1 WAFER HOLDER WITH TAPERED REGION Public/Granted day:2015-10-15
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