Mounting of a cold cathode directly to a vacuum chamber wall
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United States of America Patent
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-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Dec 8, 1986
filing date -
Dec 8, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cold cathode for generating an abnormal glow discharge electron beam within a vacuum chamber is mounted to a wall of the vacuum chamber such that only the emitting front face of the cold cathode, itself electrically insulated from the vacuum chamber wall by a narrow gap therebetween, is located inside the vacuum chamber, while the remainder of the cold cathode is located outside the vacuum chamber.
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