Patent ID: 8061949

Claim:
A load lock chamber comprising: a chamber body having a first substrate transfer cavity defined therein; an actuator coupled to the chamber body; a plurality of substrate supports coupled to the actuator and disposed in the first substrate transfer cavity, the plurality of substrate supports movable between a first elevation and a second elevation; a plurality of slots formed in a floor of the first substrate transfer cavity and configured to receive at least a portion of the plurality of substrate supports when located in the second elevation; a second substrate transfer cavity formed in the chamber body below the first substrate transfer cavity, the second substrate transfer cavity having a second plurality of substrate supports coupled to the actuator and disposed therein and movable between a first elevation and a second elevation; and a plurality of slots formed in a floor of the second substrate transfer cavity and configured to receive at least a portion of the second plurality of substrate supports when located in the second elevation, wherein the plurality of substrate supports are each selectively adjustable and independently movable within each substrate transfer cavity.