Substrate processing apparatus and non-transitory computer-readable recording medium
Described herein is a technique capable of adjusting an inner pressure of a process chamber into a high vacuum state in a short time. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber; a main exhaust line including a first pipe,...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Described herein is a technique capable of adjusting an inner pressure of a process chamber into a high vacuum state in a short time. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber; a main exhaust line including a first pipe, a first opening degree adjusting valve, an opening/closing valve and a pressure sensor; a bypass exhaust line including a second pipe and a second opening degree adjusting valve; and a controller configured to adjust an inner pressure of the process chamber by: (a) adjusting an opening degree of the second opening degree adjusting valve; (b) closing the second opening degree adjusting valve and opening the opening/closing valve and the first opening degree adjusting valve; and (c) closing the opening/closing valve and the first opening degree adjusting valve and adjusting the opening degree of the second opening degree adjusting valve. |
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