Electrode alignment and capsule design for single-ended low watt

Details Electrode alignment and capsule design for single-ended low watt Electrode alignment and capsule design for single-ended low watt

1984-03-27

1986-10-28

DeMeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313620, 220 21R, H01J 6133, H01J 6104

Patent

active

046201300

ABSTRACT:
A low wattage single-ended metal halide arc discharge lamp has an isothermal arc chamber with an outer diameter (t) substantially equal to the product of a first constant and the lamp wattage plus a second constant; a fill gas and a pair of electrical conductors sealed into and passing through one end of the arc chamber to provide a pair of electrodes therein having a spacing therebetween of about a distance to provide a substantially uniform current for lamps in the range of about 35 to 150 watts.

REFERENCES:
patent: 3898504 (1975-08-01), Akutsu et al.
patent: 4320322 (1982-03-01), Rothwell, Jr. et al.
patent: 4321504 (1982-03-01), Keefe et al.
patent: 4528478 (1985-07-01), Rothwell, Jr. et al.

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