Discharge lamp arc tube and method of producing the same

Details Discharge lamp arc tube and method of producing the same Discharge lamp arc tube and method of producing the same

1996-07-12

1999-03-02

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

313624, 313625, H01J 6136, H01J 932

Patent

active

058775900

ABSTRACT:
A discharge lamp arc tube comprises: a glass tube having a linear extension portion, a closed glass bulb, and pinch seal portions at both sides of the closed glass bulb; and electrode assemblies, each having an electrode rod, a molybdenum foil and a lead wire integrally series-connected, the molybdenum foil having oxide films thereon, wherein the electrode assemblies are inserted into the glass tube and pinch-sealed such that the molybdenum foils are positioned at the respective pinch seal portions.

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patent: 5277639 (1994-01-01), Nagata et al.
patent: 5286227 (1994-02-01), Numajiri et al.
patent: 5310374 (1994-05-01), Tomoyuki
patent: 5505648 (1996-04-01), Nagasawa et al.
patent: 5606141 (1997-02-01), Leichtfried
Database WPI Section Ch, Derwent Publications Ltd., London, GB; Class L03, An 72-53267T XP002053388 & JP 47 031 575 B (Tokyo Shibaura Electric Co) *Abstract No Date.
Database WPI, Section Ch, Derwent Publications Ltd., London, GB; Class L03, AN 72-80184T XP002053389 & JP 47 048 749 B (Tokyo Shibaura Electric Co) Abstract No Date.
Database WPI Section Ch, Week 8611, Derwent Publications Ltd., London, GB; Class L03, An 86-074635 XP002053390 & SU 1 174 999 A (Light Eng Techn Res) Aug. 23, 1985, Abstract.
Patent Abstracts of Japan, vol. 010, No. 175 (E-413), Jun. 20, 1986 & Jp 61 024125 A (Matsushita Denshi Kogyo KK), Feb. 2, 1986, Abstract.

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