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Film growth apparatus, film growth method and maintenance method of film growth apparatus
Film growth apparatus, film growth method and maintenance method of film growth apparatus
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机译:膜生长设备,膜生长方法和膜生长设备的维护方法
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摘要
A film growth apparatus according to one aspect of the present disclosure includes: a reactor configured to perform film growth processing on a substrate; an exhaust configured to discharge an exhaust gas from the reactor to the outside; a first valve including a valving element, the first valve provided in a pipe connecting the reactor with the exhaust and configured to control a pressure of the reactor by a position of the valving element; a valving element driver configured to cause the valving element to operate; and a valve controller including a closed position storage configured to store a closed position of the valving element, an opening degree controller configured to control the position of the valving element operated by the valving element driver, and a closed position shifter configured to detect a load of the valving element driver and shift the closed position in a case where the load exceeds a predetermined reference value.
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