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

Claim 1:
2. The gate valve device of claim 1, wherein the first lifting component comprises a first retractable rod and a first lifting valve body, and the first retractable rod is configured to drive the first lifting valve body to slide between a first vertical height and a second vertical height; and
wherein the first lifting component is specifically configured to, in a case that the first lifting valve body slides to the first vertical height, control the opening on the side of the vacuum chamber close to the swing gate valve to be in an opened state; or the first lifting component is specifically configured to, in a case that the first lifting valve body slides to the second vertical height, control the opening on the side of the vacuum chamber close to the swing gate valve to be in the closed state.