| 申请日期 | 2025-06-26 | 申请号 | JP2004017622 |
| 公开（公告）号 | JP4977307B2 | 公开（公告）日 | 2012-07-18 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Namiki Precision Jewel Co Ltd240477 | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a magnet with high performance and a microminiature motor. SOLUTION : By diffusing rare earth metal into a magnet surface deterioratedly damaged by machining of the rare earth metal, the magnet surface is reformed. Using the reformed magnet, the motor is manufactured by setting a permeance coefficient (an operating point) to ≥1, specific surface area (surface area/volume) to ≥4 mm-1, and the volume of the magnet to ≤10 mm3. COPYRIGHT : (C)2005, JPO&NCIPI | ||
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