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Class Information
Number: 330/41
Name: Amplifiers > With gas or vapor tube amplifying device
Description: Subject matter wherein the amplifying device includes electrodes in a gas or vapor medium and which device depends upon ionization of a gas or vapor for its operation.

Patents under this class:

Patent Number Title Of Patent Date Issued
6732059 Ultra-low background gas-filled alpha counter May. 4, 2004
5694005 Plasma-and-magnetic field-assisted, high-power microwave source and method Dec. 2, 1997
5523651 Plasma wave tube amplifier/primed oscillator Jun. 4, 1996
5386177 Plasma klystron amplifier Jan. 31, 1995
5151663 Plasma switch devices Sep. 29, 1992

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