Patent ID: 11946138
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H  F | IPC C  F  H

Claim 0:
1. A vacuum valve, comprising:
a valve flange having an inlet port, an outlet port, and a valve seat in a space between the inlet port and the outlet port;
a valve body in the valve flange, the valve body having a contact surface facing the valve seat and the inlet port, and the valve body being moveable to have the contact surface in contact with the valve seat and to be separated from the valve seat;
a disk on the contact surface of the valve body, the disk having a flat surface in contact with the contact surface and an inclined surface opposite the flat surface and inclined toward the outlet port, a thickness of the disk from the flat surface to the inclined surface being reduced as a distance from the outlet port is reduced; and
an actuator connected to the valve flange, the actuator being configured to apply a driving force to the valve body to move the contact surface of the valve body into or out of contact with the valve seat.