VAPOR PHASE GROWTH APPARATUS AND VAPOR PHASE GROWTH METHOD
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United States of America Patent
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Nov 24, 2016
app pub date -
May 17, 2016
filing date -
May 17, 2016
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Abstract
A vapor phase growth apparatus includes: a first supporter supporting a first substrate; a first heater heating the first substrate; a first gas feeder supplying a first process gas onto a surface of the first substrate; a first radiation thermometer measuring a first temperature on the surface of the first substrate, the first temperature taking no account of an effect of emissivity of the first substrate; a first thermometer acquiring an actual temperature of the first substrate; a first temperature controller controlling the actual temperature to be a predetermined temperature by using the first heater; a second supporter supporting a second substrate; a second heater heating the second substrate; a second radiation thermometer measuring a second temperature on a surface of the second substrate, the second temperature taking no account of an effect of emissivity of the second substrate; and a second temperature controller controlling the second heater based on the first temperature, the actual temperature, and the second temperature.
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