| 摘要 |
1,176,297. Luminescent materials. OWENSILLINOIS Inc. 6 Sept., 1968, No. 42473/68. Heading C4S. [Also in Division C1] A transparent laser is of glass with composition, in wt. per cent: SiO 2 , 45 to 80; Al 2 O 3 , 4 to 40; Li 2 O, 5.5; Nd 2 O 3 , 1 to 8. A solarization-inhibiting oxide may also be present, e.g., 0À5-5 wt. per cent TiO 2 , Ce 2 O 3 or ZrO 2 . Up to 1% Na 2 O or K 2 0 may be present. Not more than 0.01% Fe 2 O 3 should be present. The ingredients may be added as oxides or carbonates. |
