| 申请日期 | 2025-06-29 | 申请号 | EP13813584 |
| 公开（公告）号 | EP2871170B1 | 公开（公告）日 | 2018-05-30 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | Konoshima Chemical Co Ltd | ||
| 简介 | There is provided a rare-earth gallium garnet ceramic having a high extinction ratio and a high light transmittance. The rare-earth gallium garnet ceramic contains, as a sintering aid, 5 mass ppm or more and 500 mass ppm or less of Ge calculated as metal, and 20 mass ppm or more and 250 mass ppm or less of Al calculated as metal. | ||
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