| 摘要 |
PROBLEM TO BE SOLVED: To provide an incandescent lamp or a discharge lamp improved in its light emitting property, yield, and workability, whose sealed part is easily formed without a special process and has a bead mount simplified in its configulation instead of a mount with a flare stem and a button stem etc., fixing each component of the mount firmly to hold a filament and electrodes at a predetermined position at the time it is sealed with a glass bulb. SOLUTION: The lamp L1 comprises a bead mount 3 having lead lines 6 and 6 connected to a coiled filament 7 between and a glass bead 4 welded together with an exhaust tube 5, and a glass bulb 1 in which the bead mount 3 and the glass bead 4 are sealed at a sealed part 2. COPYRIGHT: (C)2005,JPO&NCIPI
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