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Conical Cathode Disclosure Number: IPCOM000067400D
Original Publication Date: 1979-Jul-01
Included in the Prior Art Database: 2005-Feb-20

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Coleman, G McCorkle, RA [+details]


The use of a running discharge along the surfaces of an evacuated channel or the discharge of a gas in a channel to produce a plasma is well known (1,2). The lengths of these channels are limited by the breakdown voltage. It has been found that when a conical cathode electrode is employed the length of the channel can be increased without increasing the breakdown voltage.