| 摘要 |
A production method of a silicon single crystal wafer capable of effectively bringing out a gettering effect also in a thin film device is provided: wherein a thermal treatment with rapid heating up and down is performed for 10 seconds or shorter on a silicon single crystal wafer obtained by processing a single crystal grown by the Czochralski method and having an initial interstitial oxygen density is 1.4x1018 atoms/cc (ASTM F-121, 1979).
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