C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/13
C03C 10/04 (2006.01) C03C 10/00 (2006.01)
Patent
CA 1232920
Abstract of the Disclosure There is disclosed an improved, transparent, mullite glass-ceramic doped with Cr2O3 to fluoresce in the 650-900 nm. region of the spectrum and having an absorption peak centered at about 600 nm. The improvement is inclusion in the composition of 2-15% by weight of ZnO and sufficient MgO, if necessary, to provide at least 5% ZnO + MgO. The ZnO or ZnO-MgO components selectively shift the absorption peak centered at 600 nm. toward the lower (blue) end of the spectrum.
485262
Beall George H.
Borrelli Nicholas F.
Morse David L.
Corning Glass Works
Gowling Lafleur Henderson Llp
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