FIELD: electrical engineering. SUBSTANCE: filament lamp has bulb inside which wolfram luminous element with gas absorber deposited on it is mounted on electrodes and holders. Metal of titanium subgroup Nb+Me is used as gas absorber. Optimum mass of gas absorber amounts to 0.5% mass of luminous element. Zr in the amount of 20% of mass of gas absorber is employed as Me. EFFECT: enhanced luminous efficiency. 2 cl
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