Electrodeless low-pressure discharge

Details Electrodeless low-pressure discharge Electrodeless low-pressure discharge

1992-01-08

1994-03-01

Yusko, Donald J.

Electric lamp and discharge devices

With magnetic device

With envelope

313 44, 313 46, 313493, 315248, 315344, H01J 6152, H01J 150

Patent

active

052910911

ABSTRACT:
The electrodeless low-pressure discharge lamp has a lamp vessel (1) having a cavity (2) at an end portion (3) thereof. An electric coil (4) surrounding a plastic sleeve (5), wherein a liquid-filled tubular container (7) surrounded by a soft-magnetic core (6) is present, is accommodated in the cavity (2). The plastic sleeve (5) is substantially filled up with an elastic polymer. Additionally, the tube (5) may be enveloped by an elastic polymer (9). The elastic polymer ensures a relatively low operating temperature of the members inside the cavity (4).

REFERENCES:
patent: 4536675 (1985-08-01), Postma
patent: 5006752 (1991-04-01), Eggink et al.
patent: 5130912 (1992-07-01), Feiederichs et al.

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