Title:
COLD CATHODE VACUUM DISCHARGE TUBE
Document Type and Number:
WIPO Patent Application WO1997014168
Kind Code:
A3
Abstract:
A cold cathode vacuum discharge tube, and method for making same, with an interior surface of the trigger probe coated with carbon deposited by carbon vapor deposition (CVD) or diamond-like carbon (DLC) deposition. Preferably a solid graphite insert is employed in the probe-cathode structure in place of an aluminum bushing employed in the prior art. The CVD or DLC probe face is laser scribed to allow resistance trimming to match available trigger voltage signals and to reduce electrical aging.
Inventors:
BOETTCHER GORDON E
Application Number:
PCT/US1996/015591
Publication Date:
November 13, 1997
Filing Date:
September 27, 1996
Export Citation:
Assignee:
SANDIA CORP (US)
International Classes:
H01J19/24; H01J21/02; H01T2/02; (IPC1-7): H01J/
Foreign References:
| US3663855A | 1972-05-16 | |||
| US4266260A | 1981-05-05 |
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