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Disclosed is a novel connection for repeatedly connecting and disconnecting RF power for use in various applications (i.e., inductive heating, RF sputtering, evaporation, etc.).
English (United States)
This text was extracted from a PDF file.
This is the abbreviated version, containing approximately
98% of the total text.
Page 1 of 1
Low Insertion Force High Power RF Connector
Disclosed is a novel connection for repeatedly connecting and disconnecting
RF power for use in various applications (i.e., inductive heating, RF sputtering,
State of the art RF connectors typically have a pin that is inserted into a ring
of finger stock to make electrical contact. This type of connector is essentially a
friction fit device which is prone to wear and tolerance degradation.
Finger stock type connectors are also prone to RF radiation leakage, and are
generally unavailable for high power applications, (>1000 watts).
In any of the applications mentioned above, where there is a need for
repeated connect and disconnect of RF power, a low insertion force quick
disconnect connector is desirable.
The disclosed connector is easily fabricated, eliminates the wear problem, is
essentially immune from RF radiation problems, and is compatible with very high
In operation, (see Fig.) the removable section 1 is inserted into fixed section
2 until they are in intimate contact. Further force compresses the connector
vertically causing the internally tapered portion of section 2 to press on the
external taper of section 3. This causes section 3 to compress horizontally and
clamp on the power transfer pins 4.
A ground return path is continuous through the body of the connector which
eliminates any radiation leakage.
Power is coupled into and out of the connector using standard 50-ohm