Optical colored glasses

Details Optical colored glasses Optical colored glasses

2005-02-08

2005-02-08

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S066000, C501S067000, C501S900000

Reexamination Certificate

active

06852657

ABSTRACT:
The invention concerns an optical colored glass of the composition (in % in weight on oxide basis) SiO250-62; K2O 10-25; Na2O 0-14; Al2O30-2; B2O33-5; ZnO 13.5-37; F 0-1; TiO20-7; In2O30-2; Ga2O30-2; SO30-1; SeO20-1; C 0-1; MIMIIIY2II0.1-3, whereby MI=Cu+ and/or Ag+ and/or MIII=In3+ and/or Ga3+and/or Al3+and/or YII=S2−and/or Se2−and at least 0.1% in weight of the oxide (M2O3) of the MIII, which is/are present in MIMIIIYII2, and with at least 0.2% in weight of the oxide, of the YII, which is/are present in MIMIIIYII2.

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