| 申请日期 | 2025-06-30 | 申请号 | US14686200 |
| 公开（公告）号 | US9970087B2 | 公开（公告）日 | 2018-05-15 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | TDK CORPORATION | ||
| 简介 | In the present invention, a permanent magnet with excellent temperature properties and magnetic properties which will not significantly deteriorate can be stably prepared, by using a raw alloy for the R-T-B based permanent magnet in which the rare earth element(s) composed of at least one selected from the group consisting of Y, La and Ce is selected as a predetermined amount of the rare earth element R in the R-T-B based permanent magnet and a proper amount of Ca is contained. | ||
|
您还没有登录，请登录后查看下载地址
|
客服热线：
手机版
二维码
