METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
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United States of America Patent
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May 13, 2016
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Sep 30, 2010
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Abstract
A protection film is formed on a semiconductor substrate. Impurity ions are implanted into the semiconductor substrate through the protection film. The impurity is activated to form an impurity layer. The protection film is removed after forming the impurity layer. The semiconductor substrate of a surface portion of the impurity layer is removed after removing the protection film. A semiconductor layer is epitaxially grown above the semiconductor substrate after removing the semiconductor substrate of the surface portion of the impurity layer.
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