Electric lamp and discharge devices – With gas or vapor – Electrode composition
Patent
1997-11-17
1999-05-18
Patel, Vip
Electric lamp and discharge devices
With gas or vapor
Electrode composition
313623, 313624, 313626, H01J17/04
Patent
active
059053402
ABSTRACT:
A high intensity discharge lamp with a heat treated inner electrode rod has been found to form an advantageous crack pattern. As a result seal failures have been reduced and lamp life increased.
REFERENCES:
patent: 4881009 (1989-11-01), Passmore
patent: 5461277 (1995-10-01), Gennip et al.
Karlotski Rober J.
Kelly Timothy L.
Zilberstein Galina
Meyer William E.
Osram Sylvania Inc.
Patel Vip
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