Low-pressure mercury vapor discharge lamp with mercury amalgam

Details Low-pressure mercury vapor discharge lamp with mercury amalgam Low-pressure mercury vapor discharge lamp with mercury amalgam

1980-07-24

1983-07-12

Demeo, Palmer C.

Electric lamp and discharge devices

Having pressure control of gas or vapor

313490, 313634, H01J 6128, H01J 6130

Patent

active

043933254

ABSTRACT:
The invention relates to a compact low-pressure mercury vapor discharge lamp consisting of a glass inner member which is closely surrounded by a glass cylindrical outer member, one end of which is hemispherical.
The edge at the other end of the outer member is sealed in a gas-tight manner to the inner member. The discharge path between the electrodes may be folded as shown. The discharge is present in a groove, formed in the wall of one of the members. Near the said sealed edge there is an amalgam which is accessible to the discharge space via a narrow channel.

REFERENCES:
patent: 2280618 (1942-04-01), Besson
patent: 2501375 (1950-03-01), Breadner et al.
patent: 3548240 (1970-12-01), Spiessens
patent: 3688148 (1972-08-01), Fedorenko et al.
patent: 3983439 (1976-09-01), Blommerde et al.
patent: 4095135 (1978-06-01), Yamazaki et al.
patent: 4288715 (1981-09-01), Overveld et al.

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