High intensity vapor discharge lamp with sintering aids for elec

Details High intensity vapor discharge lamp with sintering aids for elec High intensity vapor discharge lamp with sintering aids for elec

1982-09-02

1984-10-23

Demeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

Having electrode heated by space discharge current

313630, 313346R, H01J 61073

Patent

active

044790740

ABSTRACT:
Sintering aids are disclosed which improve the sintering of emission materials in high pressure discharge lamps. The sintering aid is Nb.sub.2 O.sub.5 or Ta.sub.2 O.sub.5 or a mixture thereof along with an alkaline earth oxide with is mixed in the amount of 2 to 15 weight percent sintering aid with 98 to 85 weight percent electron emissive material.

REFERENCES:
patent: 3708710 (1973-01-01), Smyser et al.
patent: 4052634 (1977-06-01), De Kok
patent: 4123685 (1978-10-01), Bhalla
patent: 4152619 (1979-05-01), Bhalla
patent: 4152620 (1979-05-01), Bhalla
patent: 4321503 (1982-03-01), Bhalla

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