Patent ID: 8834673
Filing Date: 2014-09-16
Classification: H01J,H01L

Abstract:
1. A process chamber having a gate slit opening and closing apparatus, the process chamber comprising: a chamber body; a gate slit, through which a substrate is loaded and unloaded into the chamber body, that extends between an interior side and an exterior side of a wall of the chamber body; at least one inner door rotatably installed at an inner opening of the gate slit formed at the interior side of the wall of the chamber body so as to open and close the inner opening; and a door driving mechanism that rotates the at least one inner door between an opened position and a closed position so as to open and close the inner opening of the gate slit, wherein the at least one inner door is coplanar with the interior side of the wall of the chamber body when the inner opening is closed by the at least one inner door, wherein a connection passage is formed in the chamber body that connects an exterior of the chamber body with the gate slit, and wherein the door driving mechanism comprises a power source installed outside the chamber body and a power transmission device that transmits power of the power source to the at least one inner door through the connection passage to open and close the at least one inner door.