Patent ID: 11933416
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC F  H  B | IPC B  F  H

Claim 8:
9. A cleaning method for a gate valve device, the gate valve device being installed in a mechanical apparatus comprising a vacuum chamber and a process chamber, a swing gate valve being provided between the vacuum chamber and the process chamber, the gate valve device being arranged at an opening on a side of the vacuum chamber close to the swing gate valve, the gate valve device comprising a cleaning component, a first lifting component and a second lifting component, and the cleaning component being arranged on the second lifting component, the method comprising:
controlling, through the first lifting component, the opening on the side of the vacuum chamber close to the swing gate valve to be in a closed state; and
controlling, through the second lifting component, the cleaning component to clean the swing gate valve.