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

Claim 0:
1. A processing apparatus comprising:
a processing container having a substantially cylindrical shape including an inner tube and an outer tube that are coaxially arranged with a space therebetween;
a processing gas nozzle extending in a longitudinal direction of the processing container along an inside of a side wall of the inner tube of the processing container;
an exhaust body formed on the side wall of the inner tube on an opposite side of the inner tube of the processing container to face the processing gas nozzle; and
an adjustment gas nozzle provided within the exhaust body and configured to eject a concentration adjustment gas toward a center of the processing container,
wherein the adjustment gas nozzle is provided within 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°.