Cadmium free bug lamp with rutile TiO.sub.2 coating containing c

Details Cadmium free bug lamp with rutile TiO.sub.2 coating containing c Cadmium free bug lamp with rutile TiO.sub.2 coating containing c

1991-03-15

1993-01-05

Yusko, Donald J.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313116, 313315, 313635, 106441, 106436, H01K 132, C09C 136

Patent

active

051773953

ABSTRACT:
A cadmium free bug lamp which emits a yellow color when energized and which has very low emission in the range of from 310-380 nm employs a coating wherein the yellow emitting pigment is a rutile TiO.sub.2 containing minor amounts of antimony and chromium in the rutile crystal lattice.

REFERENCES:
patent: 3125457 (1964-03-01), Meister
patent: 3320460 (1967-05-01), Boushard et al.
patent: 3640744 (1972-02-01), Dietz et al.
patent: 4209430 (1980-06-01), Weber
patent: 4421803 (1983-12-01), Czeiler et al.
patent: 4633127 (1986-12-01), Beurskens et al.
patent: 4918138 (1990-04-01), Hara et al.
patent: 4999055 (1991-03-01), Holtzen et al.
patent: 5032425 (1991-07-01), Livsey et al.

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