Coating processes – Direct application of electrical – magnetic – wave – or... – Plasma
Reexamination Certificate
2006-06-21
2011-11-22
Cleveland, Michael (Department: 1712)
Coating processes
Direct application of electrical, magnetic, wave, or...
Plasma
Reexamination Certificate
active
08062717
ABSTRACT:
An apparatus for providing a return current path for RF current between a chamber wall and a substrate support is provided comprising a low impedance flexible curtain having a first end and a second end, the first end adapted to be electrically connected to the chamber wall and the second end adapted to be connected to the substrate support, wherein the curtain further comprises at least one fold in the curtain material, located an axial distance between the first end and the second end, and at least one perforation cut into the curtain proximate the second end.
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Blonigan Wendell
Keller Ernst
Sorensen Carl
Applied Materials Inc.
Cleveland Michael
Miller Michael G
Patterson & Sheridan L.L.P.
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