Patent ID: 11859285
Assignee: TOKYO ELECTRON LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 18:
19. A processing method comprising:
providing a processing apparatus including a processing container having a substantially cylindrical shape of an inner tube and an outer tube, the inner tube and the outer tube having a space therebetween;
carrying a substrate into the processing container; and
supplying a processing gas into the processing container from a processing gas nozzle provided in the processing container and extending in a longitudinal direction of the processing container along an inside of a side wall of the inner tube;
supplying a concentration adjustment gas from an adjustment gas nozzle provided in the processing container toward a center of the processing container; and
exhausting the processing gas and the concentration adjustment gas through an exhaust body formed on the side wall of the inner tube on an opposite side of the inner tube of the processing container that faces the processing gas nozzle,
wherein the adjustment gas nozzle is provided within the exhaust body in an angle range in which the exhaust body is formed, at a central angle with reference to the center of the processing container when viewed from a top,
the exhaust body includes a protruding portion formed on a portion of the side wall of the inner tube of the processing container toward an outside, and an exhaust slit formed at a tip of the protruding portion and communicating an inside of the inner tube and the space, and
the exhaust body is formed within a range of the central angle of 150° to 180°.