Fluorescent lamp with improved lumen output

Details Fluorescent lamp with improved lumen output Fluorescent lamp with improved lumen output

1981-12-24

1987-06-02

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 170, H01J 6135

Patent

active

046706887

ABSTRACT:
The lumen output of a fluorescent lamp is improved by the triode radio frequency sputter coating of a continuous protective coating of vitreous alumina overlying the lamp phosphor layer.

REFERENCES:
patent: 2238784 (1941-04-01), Scott et al.
patent: 2331306 (1943-10-01), Casellini
patent: 2386277 (1945-10-01), Smith
patent: 3599029 (1971-08-01), Martyny
patent: 3636352 (1972-01-01), Wanmaker et al.
patent: 3886396 (1975-05-01), Hammer et al.
patent: 3995191 (1976-11-01), Kaduk et al.
patent: 4058639 (1977-11-01), Schreurs
patent: 4079288 (1978-03-01), Maloney et al.
patent: 4243909 (1981-01-01), Brecher et al.
Journal of the Electrochemical Society, Apr. 1966, vol. 113, No. 4, pp. 357-360, "Phase Changes in Thin Reactively Sputtered Alumina Films," R. G. Frieser.
Encyclopedia of Chemical Technology, 1968, vol. 17, pp. 281-284, "Refractory Coatings-Vacuum Deposition," Kirk.

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