HIGH TEMPERATURE RF CONNECTION WITH INTEGRAL THERMAL CHOKE
A thermal choke rod connecting a radio frequency source to a substrate support of a plasma processing system includes a tubular member having a first connector for connecting to an RF rod coupled to the substrate support and a second connector for connecting to an RF strap that couples to the RF sou...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A thermal choke rod connecting a radio frequency source to a substrate support of a plasma processing system includes a tubular member having a first connector for connecting to an RF rod coupled to the substrate support and a second connector for connecting to an RF strap that couples to the RF source. A tubular segment extends between the first and second connectors. The first connector has a conically-shaped end region that tapers away from the inner surface thereof to an outer surface in a direction toward the tubular segment, and slits that extend for a prescribed distance from a terminal end of the first connector. The outer surface of the tubular segment has a threaded region for threaded engagement with an annular cap that fits over the first connector and reduces an inner diameter of the first connector upon contact with the conically-shaped end region of the first connector. |
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