Texas Instruments Corporation

Joe W Gilbert

Dan T Hockersmith

A substrate that is a portion of an electrode of a plasma reactor has two positions, a low position and a process position. They are achieved without generating particulate contaminate and are achieved additionally while the reaction chamber is maintained at its process pressure. Stainless steel bellows assemblies have an inter volume that are capped at both ends from a chamber between the bellows. One end of the bellows assembly is mounted to the process chamber in a fixed position and a substrate to the other end is attached and is movable. A positioning is achieved by introducing compressed air in the chamber between the bellows and overcoming the process pressure in the outer chamber. A second position is achieved by releasing the compressed air between the chamber between the bellows and allowing the process pressure in the process chamber to collapse the bellows assembly.

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Leonard, TX, United States of America

Joe W Gilbert