Invention Grant
- Patent Title: Silicon wafer and method of manufacturing same
- Patent Title (中): 硅晶片及其制造方法
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Application No.: US13258702Application Date: 2010-03-24
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Publication No.: US08765492B2Publication Date: 2014-07-01
- Inventor: Toshiaki Ono , Takayuki Kihara , Yumi Hoshino
- Applicant: Toshiaki Ono , Takayuki Kihara , Yumi Hoshino
- Applicant Address: JP Tokyo
- Assignee: Sumco Corporation
- Current Assignee: Sumco Corporation
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2009-074947 20090325
- International Application: PCT/JP2010/002060 WO 20100324
- International Announcement: WO2010/109853 WO 20100930
- Main IPC: H01L21/66
- IPC: H01L21/66 ; H01L21/302 ; H01L29/36 ; H01L21/324 ; C30B29/06 ; C30B33/02 ; H01L29/78

Abstract:
This method of manufacturing a silicon wafer has a step of preparing a wafer, in which a surface of the silicon wafer is surface-treated, a step of setting stress, in which the stress S (MPa) subjected on the wafer is set, a step of inspecting, in which a defect on a surface of the wafer is inspected, and a step of determining, in which the wafer is evaluated if the wafer satisfies a criterion. In this method, it is possible to manufacture a wafer with cracking resistance even if it is subjected to a millisecond annealing by the FLA annealing treatment.
Public/Granted literature
- US20120012983A1 SILICON WAFER AND METHOD OF MANUFACTURING SAME Public/Granted day:2012-01-19
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