| 申请日期 | 2025-07-09 | 申请号 | EP13845898 |
| 公开（公告）号 | EP2907861A1 | 公开（公告）日 | 2015-08-19 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | Kabushiki Kaisha Toshiba; Toshiba Materials Co Ltd | ||
| 简介 | A rare earth regenerator material particle and a regenerator material particle group having a high long-term reliability, and a superconducting magnet, an examination apparatus, a cryopump and the like using the same are provided. A rare earth regenerator material particle contains a rare earth element as a constituent component, and in the particle, a peak indicating a carbon component is detected in a surface region by an X-ray photoelectron spectroscopy analysis. | ||
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