High-pressure discharge lamp with end seal evaporation barrier

Details High-pressure discharge lamp with end seal evaporation barrier High-pressure discharge lamp with end seal evaporation barrier

1990-10-31

1993-03-30

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

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

313625, H01J 6136

Patent

active

051987228

ABSTRACT:
A high pressure discharge lamp having a translucent sintered aluminum oxide envelope, has a tubular current lead-in member, secured in a gas tight manner by an end-plug secured to the current lead-in member by a magnesium oxide containing glass seal and an aluminum oxide disk bonded to the outer surface of the end plug and extending over the glass seal.

REFERENCES:
patent: 4721886 (1988-01-01), Oomen et al.

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