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    • 3. 发明授权
    • Halogen incandescent lamp
    • 卤素不良灯
    • US3732455A
    • 1973-05-08
    • US3732455D
    • 1971-02-09
    • PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH
    • NEUMANN G
    • C08K5/03H01K1/50H01J61/16
    • H01K1/50C08K5/03Y02B20/12
    • The halogen incandescent lamp has a tungsten filament and its halogen cycle takes place with fluorine participating therein. To prevent corrosive action of the fluorine on internal lamp components, the inert fill gas contains an additive of perhalogenated low molecular weight hydrocarbons with at least one fluorine atom per molecule in a concentration of from 1 X 10 8 to 1 X 10 6 gram atoms of fluorine, and from 1 X 10 8 to 1 X 10 6 gram atoms of at least one more halogen such as chlorine, bromine, or iodine per cc of bulb volume; preferably, difluorodibromomethane (CF2Br2) is admixed to the fill gas. During lamp operation, a cyclic tungsten-fluorine process takes place close to the filament, the tungsten not included in this cycle is transported back to the filament by the second halogen.
    • 卤素白炽灯具有钨丝,其卤素循环在氟中进行。 为了防止氟对内部灯组件的腐蚀作用,惰性填充气体含有每分子具有至少一个氟原子的全卤代低分子量烃的添加剂,浓度为1×10 8至1×10 5 - > 6克原子的氟,和1×10 -8至1×10 -6克原子的至少一种卤素如氯,溴或碘每cc的灯泡体积; 优选将二氟二溴甲烷(CF2Br2)与填充气体混合。 在灯操作期间,靠近灯丝发生环状钨氟工艺,不包括在该循环中的钨被第二个卤素转回到灯丝。