Hi dave
> Graphite anode material is generally used in high-vacuum tubes
to provide
> [continuous] "getter" action which aids in maintaining the high-vacuum
> state in larger high-vacuum envelopes. "Getter" action reduces residual
> gases left over from the manufacturing process and gases which are
> generated by the other elements of the tube during normal operation. The
> graphite surface is subjected to special processing to improve it's
> thermal handling capabilities as an anode.
Graphite is not listed in the lists I have of gettering agents. Can you
tell me where it is listed as a gettering agent?
The only thing I can find is a discussion of how graphite tends to
release gas longer than metal anodes when the tube is being
pumped down.
73, Tom W8JI
w8ji@contesting.com
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