| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass ampoule with a color marking, which is made of non-lead glass with a low softening point and high color fastness.SOLUTION: In the glass ampoule, the color marking is applied near a cut crack on a head. The color marking includes a non-lead glass composition containing: 0.5-30 wt.% AlO; 3-25 wt.% ZnO; 20-40 wt.% SiO; 3-15 wt.% BO; 1-5 wt.% NaO; 0.5-5 wt.% LiO; 3-10 wt.% BaO; 10-25 wt.% BiO; 3-23 wt.% CoO; 0.1-5 wt.% TiO; 0-3 wt.% KO; 0-3 wt.% CaO; 0-3 wt.% ZrO; 0-3 wt.% CrO; 0-3 wt.% FeO; 0-3 wt.% MnO; 0-3 wt.% LaO; 0-3 wt.% SrO; 0-3 wt.% SnO; and 0-3 wt.% MgO. |
