Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1996-10-21
2000-05-16
McDonald, Rodney G.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
118723E, 118723I, 118723IR, 118723AN, 118724, 20429831, 20429834, 20429809, C23F 102, C23C 1600
Patent
active
06063233&
ABSTRACT:
The invention is embodied in a plasma reactor including a plasma reactor chamber and a workpiece support for holding a workpiece near a support plane inside the chamber during processing, the chamber having a reactor enclosure portion facing the support, a cold body overlying the reactor enclosure portion, a plasma source power applicator between the reactor enclosure portion and the cold body and a thermally conductor between and in contact with the cold body and the reactor enclosure. The thermal conductor and the cold sink define a cold sink interface therebetween, the reactor preferably further including a thermally conductive substance within the cold sink interface for reducing the thermal resistance across the cold sink interface. The thermally conductive substance can be a thermally conductive gas filling the cold body interface. Alternatively, the thermally conductive substance can be a thermally conductive solid material. The reactor can include a gas manifold in the cold body communicable with a source of the thermally conductive gas an inlet through the cold body from the gas manifold and opening out to the cold body interface. The reactor can further include an O-ring apparatus sandwiched between the cold body and the thermal conductor and defining a gas-containing volume in the cold body interface of nearly infinitesimal thickness in communication with the inlet from the cold body. More generally, the reactor can include the facilitation of thermal transfer across an interface between a hot and/or cold sink and any part exposed to the reactor chamber interior atmosphere, such as the ceiling, wall or polymer-hardening precursor ring, for example, by the insertion into that interface of a thermally conductive gas or substance.
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Askarinam Eric
Buchberger Douglas
Collins Kenneth
Rice Michael
Roderick Craig
Applied Materials Inc.
McDonald Rodney G.
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