Vitreous compositions of the vitroceramic type, transparent...

Details Vitreous compositions of the vitroceramic type, transparent... Vitreous compositions of the vitroceramic type, transparent...

2004-07-05

2009-06-16

Lorengo, Jerry (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S037000, C501S904000, C501S042000, C501S104000, C501S140000, C501S043000, C501S032000, C501S003000, C501S010000, C385S142000, C385S144000

Reexamination Certificate

active

07547652

ABSTRACT:
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1, S+Se 40-85, Sb+As 4-40, MX 2-25, Ln 0-6, adjuncts 0-30, where M=at least one alkaline metal, selected from Rb, Cs, Na, K and Zn, X=at least one atom of chlorine, bromine or iodine, Ln=at least one rare earth and adjunct=at least one additive comprising at least one metal and/or at least one metal salt with the sum of all molar percentages of the components present in said composition being 100.

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Ma et al; “Ga-Ge-Sb-Se based glasses and influence of alkaline halide addition”; Journal of Non-Crystalline Solids; vol. 256&257; 1999; pp. 165-169; XP002274089.

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