| 申请日期 | 2025-07-18 | 申请号 | US12562336 |
| 公开（公告）号 | US7789933B2 | 公开（公告）日 | 2010-09-07 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Hiroyuki Tomizawa | ||
| 简介 | An R-T-B based sintered magnet according to the present invention comprises : 12 at % to 15 at % of a rare-earth element R; 5.0 at % to 8.0 at % of boron B; 0.02 at % to 0.2 at % of Mn; and a transition metal T as the balance. The rare-earth element R is at least one element selected from the rare-earth elements, including Y (yttrium), and includes 0.2 at % to 8 at % of Pr. And the transition element T includes Fe as its main element. | ||
|
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
