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

1998-06-08

1999-11-30

Patel, Vip

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

446 9, H01J 900

Patent

active

059932791

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.

REFERENCES:
patent: 3211826 (1965-10-01), Holcomb et al.
patent: 3420944 (1969-01-01), Holcomb
patent: 5277639 (1994-01-01), Nagata et al.
patent: 5286227 (1994-02-01), Numajiri et al.
patent: 5505648 (1996-04-01), Nagasawa et al.
Database WPI Section Ch, Derwert Publications Ltd. London, GB; Class L03, AN 72-53267T XP002053388 & JP 47 031 575 B (Tokyo Shibaura Electric Co) Abstract.
Database WPI, Section Ch, Derwent Publications Ltd. London, GB, Class L03, AN 72-80184T XP002053389 & JP 47 048 749 B (Tokyo Shbaura Electric Co) Abstract.
Database WPI, Section Ch, Week 8611. Derwent Publications Ltd, London GB, Class L03, AN 86-074635 XP00205390 & 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. 1, 1986, Abstract.

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