发明授权
US07911121B2 Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound 失效
具有含有高温金属化合物的发光体的白炽灯

Incandescent lamp having an illuminant that contains a high-temperature resistant metal compound
摘要:
The invention relates to an incandescent lamp (1) which is provided with an illuminant (7) which is inserted in a bulb (2) together with a filling in a vacuum-tight manner, the illuminant (7) comprising a metal carbide that has a melting point above that of tungsten. The bulb also comprises a source and a sink for a material of which the illuminant is depleted during use.
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