Process for producing a directly heated cathode
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United States of America Patent
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-
Oct 26, 1993
Grant Date -
N/A
app pub date -
Nov 6, 1991
filing date -
Nov 7, 1990
priority date (Note) -
Expired
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Abstract
A process providing a cathode coil made of tungsten and fastening it to molybdenum straps by brazing with platinum by supplying thermal energy in a punctiform manner.
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