Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Patent
1998-03-09
2000-07-04
Patel, Nimeshkumar D.
Electric lamp and discharge devices
With gas or vapor
Envelope with particular structure
313634, 313567, H01J 6135
Patent
active
060843527
ABSTRACT:
A lamp for a halogen lamp a single-tube, high-intensity discharge lamp, a double-tube high-intensity discharge lamp having an outer housing formed of quartz, and the like, being characterized in that a film having desirable heat conductivity and emissivity is formed on the surface of each sealing portion thereof, whereby the temperature at the distal end of the molybdenum foil in the sealing portion away from the center of the bulb can be kept at about 350.degree. C. or less while the lamp is burning.
REFERENCES:
patent: 4047067 (1977-09-01), Clausen
patent: 4171498 (1979-10-01), Fromm et al.
patent: 5404078 (1995-04-01), Bunk et al.
patent: 5668440 (1997-09-01), Inukai et al.
patent: 5708328 (1998-01-01), Mathews et al.
patent: 5742126 (1998-04-01), Fujii et al.
Maeda Kazuo
Mii Akira
Seki Tomoyuki
Sugimoto Hiroshi
Gerike Matthew J.
Matsushita Electronics Corporation
Patel Nimeshkumar D.
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