Title:
LOW PRESSURE MERCURY DISCHARGE DEVICE FOR GENERATING BLACK LIGHT
Document Type and Number:
Japanese Patent JPS5353173
Kind Code:
A
Abstract:
A low-pressure mercury discharge device utilizing a black light generating phosphor coating in conjunction with a black light transmitting filter pigment. The black light transmitting filter pigment effectively transmits black light radiation and filters visible light radiation. The filter comprises magnesium phosphate doped with cobalt and nickel having a formula Mg3-x-yCoxNiy (PO4)2, x + y is from 1 to 1.4, x/y is from .8 to 1.2.
Inventors:
ANSERUMU WATSUCHITERU
Application Number:
JP12463677A
Publication Date:
May 15, 1978
Filing Date:
October 19, 1977
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP
International Classes:
H01J61/40; H01J61/38; (IPC1-7): H01J61/42