High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

1985-03-19

1987-03-17

DeMeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

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

313290, 313285, H01J 6136, H01J 118

Patent

active

046510567

ABSTRACT:
A cup-shaped lead-through member is sealed in the wall of a ceramic discharge vessel, and has an electrode beam passing through the end wall of the cup-shaped member and sealed thereto. Immediately adjacent the electrode beam, the cup end wall is deformed away from the discharge space and clamps around the electrode beam over a length of at most the diameter of the beam. A mass of sealing material surrounds the beam end and seals it to the lead-through member, the tight fit of the member end wall to the beam preventing flow of sealing material to the interior of the discharge space.

REFERENCES:
patent: 3886392 (1975-05-01), Barakitis et al.
patent: 4019078 (1977-04-01), Burgess
patent: 4409517 (1983-10-01), Van Der Sande et al.
patent: 4539511 (1985-09-01), Denbigh et al.

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