Patent ID: 7105061

Claim:
A processing chamber for a substrate, the chamber configured to operate at a positive pressure, comprising: a load port slot, the load port slot providing access for the substrate into and out of the chamber; a chamber door, the chamber door positioned inside the chamber, the chamber door configured to seal against an internal surface of the chamber thereby blocking access through the load port slot, wherein an internal pressure of the chamber assists in sealing the chamber door against the internal surface of the chamber; and a door actuating mechanism, the door actuating mechanism configured to move the door along a door path, the door path positioned at an angle to a path to be traversed by the substrate, the door actuating mechanism including a single door opening cylinder having a first and second end, the first end of the door opening cylinder affixed to a bottom surface of a cylinder bracket, the second end of the door opening cylinder affixed to a top surface of a door actuating bar, the door actuating mechanism further including first and second door closing cylinders being affixed to a top surface of the cylinder bracket.