High pressure discharge lamp including directly sintered feedthr

Details High pressure discharge lamp including directly sintered feedthr High pressure discharge lamp including directly sintered feedthr

1995-11-06

1997-01-07

Horabik, Michael

Electric lamp and discharge devices

With gas or vapor

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

313623, H01J 1718, H01J 6136

Patent

active

055920497

ABSTRACT:
A high pressure discharge lamp having an extended life includes a discharge vessel 8, and a feedthrough 10 extending through a plug 11. A directly sintered connection is formed between the feedthrough 10 and the plug 11 wherein sealing material 7 is provided covering the area surrounding the feedthrough on the outer surface of the plug 11. The plug 11 is formed of a composite material whose thermal expansion coefficient lies between that of the ceramic vessel and of the metal feedthrough.

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Ceramics Monthly, "Locating Glaze Material," by M. Petersham, pp. 72-74, ./Jul./Aug. 1995.
Clay and Glazes by Daniel Rhodes, Chilton Book Company, Radnor, Pennsylvania, No Date Available.

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