Discharge lamp with base for sealing the lamp

Details Discharge lamp with base for sealing the lamp Discharge lamp with base for sealing the lamp

1987-07-07

1989-09-12

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

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

313332, 313318, 313609, 313610, 313625, H01J 1718, H01J 6136

Patent

active

048663417

ABSTRACT:
A discharge lamp comprises a cylindrical glass bulb with an open bottom and a closed top of dome-shape or flat-shape, a base for holding an anode and a cathode with at least one separation plate for dividing an inner space of the bulb into plural spaces forming a folded discharge path, and the base is directly and airtightly bonded to the bottom opening of the bulb by heat softening of the bulb, and the anode and cathode are also airtightly fixed on the base by selectively melting down of a first adhesive and a second adhesive which each have different melting points.

REFERENCES:
patent: 3651366 (1972-03-01), Giannini
patent: 4147951 (1979-04-01), Mueller
patent: 4191907 (1980-03-01), Rogoff
patent: 4196374 (1980-04-01), Witting
patent: 4282395 (1981-08-01), Hagemann
patent: 4475058 (1984-10-01), Takeda et al.
patent: 4490642 (1984-12-01), Dobrusskin et al.

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