C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/121, 31/181
C09K 11/57 (2006.01)
Patent
CA 1038154
ABSTRACT OF THE DISCLOSURE A method of making a manganese-activated zinc sulphide electroluminescent powder for D.C. excitation which contributes to a high electroluminescent brightness, high breakdown voltage and high uniformity and fineness of luminosity of the luminous area in an electroluminescent panel. The feature of this method is to fire a mixture of raw zinc sulphide powder and a maganese compound in an atmosphere of carbon disulphide with a carrier gas.
205710
Kawarada Hiroshi
Ohshima Nobumasa
Matsushita Electric Industrial Co. Ltd.
Na
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