key word of filament
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Hi..........
A filament used for a thermo electron source. A thin tungsten (W) wire is curved to form a hairpin shape and this filament is directly heated at about 2800 K. Its brightness is 5×105 A/cm2･sr at 200 kV.
hope it will help u ...... :-)
A filament used for a thermo electron source. A thin tungsten (W) wire is curved to form a hairpin shape and this filament is directly heated at about 2800 K. Its brightness is 5×105 A/cm2･sr at 200 kV.
hope it will help u ...... :-)
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filament means the substence in the bulb which there is no fuse
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