Supercritical fluid technology for cleaning processing...

Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...

Reexamination Certificate

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C134S002000, C134S022100

Reexamination Certificate

active

07323064

ABSTRACT:
The invention includes a method of cleaning a processing chamber by introducing supercritical fluid into the processing chamber. A residue over an internal chamber surface is contacted with the supercritical fluid to remove the residue from the surface. The invention also includes a method of removing deposited material from internal surfaces of a processing system. A cleaning agent comprising at least one of C3H8, C2H6and CH4is provided in supercritical phase into at least a portion of the processing system. A material deposited on an internal surface of the processing system is contacted with the cleaning agent to remove at least a portion of the deposited material.

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