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

1987-01-13

DeMeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

Having specified electrode spacing

313634, 313639, 313642, H01J 6104, H01J 6120, H01J 6130

Patent

active

046366873

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 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), Keeffe et al.
patent: 4528478 (1985-07-01), Rothwell Jr. et al.

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