Gas-discharge switch
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United States of America Patent
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Feb 23, 1993
Grant Date -
N/A
app pub date -
Apr 22, 1992
filing date -
Apr 25, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas-discharge switch contains at least two main electrodes for a low-pressure gas discharge. A distance d between the main electrodes and the pressure p of a working gas are selected so as to allow the igniting voltage to diminish with a rising product p.times.d. According to the present invention, a hollow electrode, which is connected to a trigger voltage source, is allocated to the discharge gap. The main electrode facing the hollow electrode is provided with a central opening. Between this opening and the hollow electrode, a baffle plate for the ion current flow of the low-pressure gas discharge is configured with a pre-set clearance from the surface of the main electrode.
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