Patent ID: 11866825
Assignee: TOKYO ELECTRON LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 4:
5. The gas supply apparatus of claim 1, wherein each of the first valves includes:
a main body having a flow path of the gas;
a handle that is rotatable with respect to the main body and moves back and forth with respect to the main body depending on a rotation amount;
a valve body portion that is connected to the handle and moves back and forth with respect to the flow path, a width of the flow path being determined by a position of the handle with respect to the main body;
a rotation axis that rotates by the rotation of the handle and connects the handle and the valve body portion; and
a contact member disposed at the rotating axis to restrict the rotation amount of the handle by being in contact with the main body and to prevent the flow path from being completely closed.