METHOD FOR MANUFACTURING SILICON CARBIDE SUBSTRATE
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United States of America Patent
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app pub date -
Feb 11, 2011
filing date -
Feb 12, 2010
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Abstract
A base portion and first and second silicon carbide substrates are disposed in a processing chamber such that a first side surface of a first silicon carbide substrate and a side surface of a second silicon carbide substrate face each other. The processing chamber has an inner surface at least a portion of which is covered with an absorbing portion including Ta atoms and C atoms. In order to connect the first and second side surfaces to each other, a temperature in the processing chamber is increased to reach or exceed a temperature at which silicon carbide can sublime. In the step of increasing the temperature, at least a portion of the absorbing portion is carbonized.
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