| 申请日期 | 2025-08-19 | 申请号 | US13220737 |
| 公开（公告）号 | US20130049909A1 | 公开（公告）日 | 2013-02-28 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Sean Michael Sweeney | ||
| 简介 | A magnet is disclosed. The magnet includes a plurality of layers such that a first layer includes a ferromagnetic material comprising iron and a rare earth element; and a second layer includes an alkaline earth metal fluoride and a rare earth oxide. A method of preparing a magnet and an article including the magnet are disclosed. The method includes disposing a first layer including a ferromagnetic material and disposing a second layer over the first layer. | ||
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