| 摘要 |
<p>This invention provides: (1) a colored glass comprising 20 to 85% by weight of SiO2, 2 to 75% by weight of B2O3, not more than 15% by weight of Al2O3, not more than 30% by weight of at least one member of Li2O, Na2O, K2O, Rb2O and Cs2O, not more than 10% by weight of at least one member of MgO, CaO, ZnO, BaO, SrO and PbO, not more than 10% by weight of at least one member of ZrO2, La2O3, Y2O3, Ta2O3 and Gd2O3, 0.05 to 15% by weight of at least one copper halide, and 0.001 to 7% by weight of at least one member of oxides of Fe, Ni, Mn, Co, V, Cr, Cu, Nd and Pd; and (2) a colored glass comprising 8 to 25% by weight of SiO2, 5 to 35% by weight of P2O5, not more than 30% by weight of B2O3, 10 to 35% by weight of Al2O3, 5 to 20% by weight of at least one member of Li2O, Na2O, K2O, Rb2O and Cs2O, not more than 20% by weight of at least one member of MgO, CaO, ZnO, BaO, SrO and PbO, not more than 10% by weight of at least one member of ZrO2, La2O3, Y2O3, Ta2O3 and Gd2O3, 0.05 to 15% by weight of at least one copper halide, and 0.001 to 7% by weight of at least one member of oxides of Fe, Ni, Mn, Co, V, Cr, Cu, Nd and Pd.</p> |
