Filaments for fluorescent lamps

Details Filaments for fluorescent lamps Filaments for fluorescent lamps

1974-03-04

1976-11-16

Padgett, Benjamin R.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

252515, G01F 122, H01B 102

Patent

active

039922014

ABSTRACT:
An annealed tungsten filament wire for electric lamps having substantially the same amounts of impurities therein as was present prior to annealing.

REFERENCES:
patent: 3341917 (1967-09-01), Oyabu et al.
patent: 3346761 (1967-10-01), Ackerman
patent: 3812393 (1974-05-01), Koo et al.

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