发明名称 PRODUCTION METHOD OF SILICON SINGLE CRYSTAL, AND SILICON SINGLE CRYSTAL WAFER
摘要 <P>PROBLEM TO BE SOLVED: To provide a production method of a silicon single crystal, by which a silicon single crystal having uniform carbon concentration and BMD (bulk micro-defects) uniformly formed therein can be produced, and to provide a silicon single crystal wafer produced from a silicon single crystal produced by the method, the wafer having BMD uniformly formed within the wafer plane and having a uniform gettering ability. Ž<P>SOLUTION: The production method of a silicon single crystal 1 by Czochralski method by doping with carbon is disclosed, wherein the crystal 1 is grown by controlling the difference between an average growing rate of the crystal center portion 15 within a plane perpendicular to the crystal growth direction and an average growing rate of the crystal peripheral portion 16 to be within ±0.1 mm/min during growing the crystal. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2009274888(A) 申请公布日期 2009.11.26
申请号 JP20080125626 申请日期 2008.05.13
申请人 SHIN ETSU HANDOTAI CO LTD 发明人 HOSHI RYOJI;FUSEGAWA IZUMI
分类号 C30B29/06;C30B15/04 主分类号 C30B29/06
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