Patent ID: 7445015

Claim:
A cluster tool comprising: a transfer chamber; at least one process chamber connected to the transfer chamber, the at least one process chamber being adjustable between a first position in which a high pressure chamber is disassembled within the process chamber and a second position in which the high pressure chamber is assembled within the process chamber, the at least one process chamber comprising: a housing; and a high pressure chamber assembly connected to the housing, the high pressure chamber assembly comprising an upper chamber portion, a lower chamber portion movable relative to the upper chamber portion, and a plurality of hydraulic cylinders, each hydraulic cylinder having a portion that extends between the upper chamber portion and the lower chamber portion and connects the upper chamber portion to the lower chamber portion, the upper chamber portion and the housing defining a compartment in which the lower chamber portion resides, the high pressure chamber assembly being adjustable between an open position in which the lower chamber portion is spaced apart from the upper chamber portion, and a closed position in which the lower chamber portion contacts the upper chamber portion to thereby form a high pressure chamber enclosing a first space, a second space being defined within the compartment between the lower chamber portion and a bottom wall of the housing; wherein the second space forms part of a vacuum chamber within the process chamber; and a first valve between the transfer chamber and the housing.