Patent ID: 9533912
Date: 2017-01-03
CPC Classifications: C03B,C03C

Claim:
1. A glass consisting essentially of, in atomic percent: 0-40 Ge; 0-40 As, Sb, or As+Sb; 0-15 Ga, In, or Ga+In; 0 P; 0-40 Te; greater than 0 B, in an amount up to 20; 50-85 S, Se, or S+Se; 0-15 Tl, Pb, Bi, Sn, or combinations thereof; and 0-20 of an alkali metal, alkaline earth metal, rare earth metal, or combinations thereof, wherein an amount of B or Ge+B included in the glass is non-stoichiometric with respect to an amount of S, Se, or S+Se included in the glass.