H - Electricity – 01 – T
Patent
H - Electricity
01
T
317/5.95
H01T 15/00 (2006.01) G01N 21/67 (2006.01) H01J 17/00 (2006.01) H05B 41/30 (2006.01)
Patent
CA 1039346
ABSTRACT: A spark source is disclosed having an analytical spark gap, a capacitor, a power supply for charging the capacitor, and an electronic switching tube connected in a series circuit between the capacitor and the spark gap. When the tube is rendered conductive by a triggering pulse or other signal, the capacitor is discharged through the spark gap and the switching tube, which carries the entire discharge current. The switching tube is preferably of the gaseous type,having an anode, a cathode and a control electrode. The switching tube is prefer- ably of the type containing hydrogen, but other types contain- ing other gases or vapors may be employed. Thus, for example, the switching tube may contain argon or mercury vapor. The switching tube is preferably connected in the circuit with its cathode connected to ground. One electrode of the analytical spark gap is also preferably grounded. - i -
220578
Bernier John A.
Walters John P.
Fisher Scientific Company
Wisconsin Alumni Research Foundation
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