High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

1992-07-13

1995-04-04

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

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

313625, H01J 1718

Patent

active

054040779

ABSTRACT:
A high-pressure discharge lamp with a ceramic discharge vessel (8) compri a tubular current feedthrough (10) of a metal whose thermal coefficient of expansion is smaller than that of the ceramics. Gas-tightness is obtained by an internal support member (16) located within the current feedthrough (10).

REFERENCES:
patent: 3531853 (1970-10-01), Klomp
patent: 4011480 (1977-03-01), Jacobs et al.
patent: 4160930 (1979-07-01), Driessen et al.
patent: 4545799 (1985-10-01), Rhodes et al.
patent: 4766347 (1988-08-01), Janssen et al.
patent: 4808881 (1989-02-01), Kariya et al.

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