Alkaline earth haloapatite phosphors - thermally refined by a continuous process

The phosphor precursor material is formed in friable, coherent, uniform size briquettes and fed continuously into a furnace at >800 degrees C. The rate of passage is such as to allow the material to be heated to incandenscence, after which the briquettes are crushed to yield phosphor powder of un...

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Bibliographische Detailangaben

Hauptverfasser:	PERRY, WILLIAM CHARLES, SCHREIBER, RONALD STANLEY, ST. LOUIS, MO. (V.ST.A.), PUTTOCK, EUGENE FRANCIS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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