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SUBLIMATED GAS SUPPLY SYSTEM AND SUBLIMATED GAS SUPPLY METHOD
SUBLIMATED GAS SUPPLY SYSTEM AND SUBLIMATED GAS SUPPLY METHOD
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机译:替代天然气供应系统和替代天然气供应方法
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摘要
Provided is a sublimated gas supply system capable of stabilizing the concentration of a sublimated gas of a solid material to be supplied and continuously supplying a sublimated gas with a stable concentration. The sublimated gas supply system includes a container; a heater for heating the container; a vacuum container configured so that a sublimated gas is introduced from the container in a vacuum state when a pressure measured with a container pressure gauge is the saturated vapor pressure of the sublimated gas; a flow amount control unit for controlling the flow amount of the dilution gas so that the concentration of the sublimated gas in the dilution gas inside the vacuum container is controlled to be a prescribed concentration based on the pressure inside the vacuum container when the sublimated gas is introduced into the vacuum container.
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