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

Claim 14:
15. 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 slit provided in 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, the exhaust slit communicating an inside of the inner tube and the space; 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 when a position of the processing gas nozzle is set as a starting point at a central angle of 0° with reference to the center of the processing container when viewed from a top, the exhaust body is formed within a range of the central angle of 150° to 180°.