Discharge lamp with metal coil electrode support inserted into c

Details Discharge lamp with metal coil electrode support inserted into c Discharge lamp with metal coil electrode support inserted into c

1982-09-13

1985-03-26

Moore, David K.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

313623, 313625, 313281, H01J 6136, H01J 932

Patent

active

045075840

ABSTRACT:
High pressure discharge lamps have discharge tubes of ceramic material having end caps into which electrodes are mounted on fixed shanks. The invention provides a preferred construction for mounting on electrode shank or an external conducting member in a cermet end cap. A metal coil is fixed in a respective opening in the end cap and supports the respective shank or conductor therein. Preferably the cermet is pressed into the desired shape with an aperture in it. The coil is inserted into the aperture so that after sintering the coil is fixed into the sintered cermet.

REFERENCES:
patent: 4401913 (1983-08-01), Koza et al.

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