Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
Patent
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.
Coaton James R.
Hussey Douglas
DeLuca Vincent
Moore David K.
Thorn Emi plc
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