Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1975-02-27
1976-05-25
Rolinec, R. V.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
174 5064, 313227, 313229, 313332, H01J 550
Patent
active
039596826
ABSTRACT:
Electric lamp having a hermetically sealed gas-filled hard-glass or vitreous-silica lamp envelope provided with a current lead-in which is sealed into a portion of the lamp envelope and comprises a foil mainly consisting of molybdenum and a current supply lead mainly consisting of tungsten which is secured to the foil by a welded joint and extends into the lamp envelope. The welded joint contains iron or an alloy of at least 50% by weight of iron and one or more of the elements scandium, titanium, vanadium, chromium, manganese, cobalt, nickel and copper as the welding agent.
REFERENCES:
patent: 3582704 (1971-06-01), Fridrich
Koelewijn Arie
Roelofs Hendrik
Wesselink Gustaaf Adolf
Hostetter Darwin R.
Rolinec R. V.
Trifari Frank R.
U.S. Philips Corporation
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