| 申请日期 | 2025-06-25 | 申请号 | WOJP11075920 |
| 公开（公告）号 | WO2012073671A1 | 公开（公告）日 | 2012-06-07 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | SUMITOMO METAL MINING CO LTD; OOSUMI Shuuji; NOMI Yasutaka; NAKAMURA Nobuo; HATANAKA Hiroshi; KAJIGAYA Tomio | ||
| 简介 | [Problem] To provide : a bismuth-substituted rare earth iron garnet crystal film (RIG) capable of being produced with an insertion loss of less than 0.60 dB and a high yield; and an optical isolator. [Solution] A bismuth-substituted rare earth iron garnet crystal film grown on top of a non-magnetic garnet substrate indicated by chemical formula Gd3(ScGa)5O12 by liquid-phase epitaxial growth. Said crystal film is indicated by chemical formula La3-x-yGdxBiyFe5O12 (wherein 0 | ||
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