Number | Date | Country | Kind |
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2000-401418 | Dec 2000 | JP | |
2001-343055 | Nov 2001 | JP |
Entry |
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Takahiro Maruyama et al., “Red Emission from Eu-Doped GaN Studied by Photoluminescence and Photo-Calorimetric Spectroscopy,” Japan Journal of Applied Physics, vol. 38 (1999) pp. L1306-L1308, Part 2, No. 11B, Nov. 15, 1999. |