Electric lamp and discharge devices – With gas or vapor – Having electrode heated by space discharge current
Patent
1985-03-01
1989-06-13
Moore, David K.
Electric lamp and discharge devices
With gas or vapor
Having electrode heated by space discharge current
313631, H01J 6106
Patent
active
048395609
ABSTRACT:
An electrode having a self-supporting cylindrical open coil of tungsten or molybdenum wire having a lead wire of tungsten or molybdenum passed coaxially through the coil and connected thereto. The turns of the coil engage each other. The central lead wire has a smaller diameter than the coil wire, this thin portion extending to a location just before the outermost turn of the coil.
REFERENCES:
patent: 1157995 (1915-10-01), Mackay
patent: 3519872 (1970-07-01), Ward
patent: 4398123 (1983-08-01), Tsuchihashi et al.
Ganser Hans G.
Schafer Ralf
Stormberg Hans P.
Moore David K.
O'Shea Sandra L.
Treacy David R.
U.S. Philips Corporation
Wieghaus Brian J.
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