Glow discharge starter containing boron
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United States of America Patent
Stats
-
Jun 6, 1989
Grant Date -
N/A
app pub date -
Apr 14, 1988
filing date -
Apr 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A glow discharge starter having an hermetically sealed envelope of vitreous material, a seal located at one end thereof and containing an ionizable medium. A pair of electrical conductors extend through the seal and terminate in a spaced relationship to form a pair of electrodes within the envelope. At least one of the electrodes has a bimetallic element secured thereto. A coating comprising lanthanum, nickel and boron is disposed on a surface within the envelope. Preferably, the coating comprises from about 2 percent to about 4 percent boron. The coating is effective in improving the aging efficiency and the temperature stability of the glow discharge starter.
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