Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp
Patent
1982-04-28
1983-12-20
Moore, David K.
Electric lamp and discharge devices
With gas or vapor
Incandescent filament lamp
313271, H01K 162
Patent
active
044220090
ABSTRACT:
Filament sag in tungsten-halogen lamps is significantly reduced by including within the envelope an additive selected from the group of bismuth, antimony and tellurium and combinations thereof.
GTE Products Corporation
McNeill William H.
Moore David K.
Wieder K.
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