Method of preparing a lead and manganese co-activated calcium me

Details Method of preparing a lead and manganese co-activated calcium me Method of preparing a lead and manganese co-activated calcium me

1998-04-28

1999-11-02

Koslow, C

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C09K 1155, C09K 1159

Patent

active

059764139

ABSTRACT:
A CaSiO.sub.3 :Pb,Mn phosphor is synthesized using a colloidal silica suspension wherein a cationic species is added to the suspension to form a well-mixed, easily-filtered, raw blend which reduces the filtering and calcining times required to produce a commercial quality phosphor.

REFERENCES:
patent: 2299510 (1942-10-01), Steadman
patent: 2474193 (1949-06-01), Schulman
patent: 2497140 (1950-02-01), Schulman
patent: 2525028 (1950-10-01), Froelich
patent: 2542322 (1951-02-01), Froelich
patent: 2542349 (1951-02-01), Ouweltjes
patent: 5234625 (1993-08-01), Forster
patent: 5472636 (1995-12-01), Forster et al.
patent: 5611961 (1997-03-01), Forster et al.

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