Energy converter
An incandescent bulb comprising an emitter (filament (102)) having multiple cavities (120) capable of suppressing radiations of wavelengths larger than a given wavelength arranged on at least a partial region of its surface and comprising glass bulb (101) for shielding the filament (102) from atmosp...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An incandescent bulb comprising an emitter (filament (102)) having multiple cavities (120) capable of suppressing radiations of wavelengths larger than a given wavelength arranged on at least a partial region of its surface and comprising glass bulb (101) for shielding the filament (102) from atmospheric air. The above region of the filament (102) has a layer containing tungsten and carbon (tungsten carbide), and a carbonaceous gas and an inert gas are sealed inside the glass bulb (101). |
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