Plasma processing apparatus

Abstract

Provided is a plasma processing apparatus having high safety whose running cost is reduced. The plasma processing apparatus includes: a vacuum container; a processing chamber disposed inside the vacuum container; and a processing gas line through which a processing gas is supplied into the processing chamber to form plasma in the processing chamber, in which the processing unit includes a plurality of pipes through which a plurality of types of gases flow respectively every type of gas, and a box body surrounding the pipes, and air whose temperature is adjusted to a predetermined range is supplied to the box body.

Dependencies are inferred from the claim text.