Number | Date | Country | Kind |
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10-088674 | Apr 1998 | JP | |
10-178624 | Jun 1998 | JP | |
11-082866 | Mar 1999 | JP |
This application is the national phase of international application PCT/JP99/01642 filed Mar. 30, 1999 which designated the U.S.
Filing Document | Filing Date | Country | Kind |
---|---|---|---|
PCT/JP99/01642 | WO | 00 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO99/50198 | 10/7/1999 | WO | A |
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4751148 | Popma et al. | Jun 1988 | A |
4798768 | Oversluizen et al. | Jan 1989 | A |
6123872 | Yamazaki et al. | Sep 2000 | A |
Number | Date | Country |
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61-242925 | Oct 1986 | JP |
Entry |
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Journal of Physics: Condensed Matter, vol. 10, No. 42, issued Oct. 26, 1998, H. Hosono et al., “Long lasting phosphorescence properties of Tb3+ —activated reduced calcium aluminate glasses”, p.9541-9547. Particularly refer to p.9542, 3. Experiment. |
Journal of Non-Crystalline Solids, vol. 241, No. 1, issued Nov. 1, 1998, M. Yamazaki et al., “Long luminescent glass: Tb3+—activated ZnO-B2O-SiO2 glass”, p.71-73. |