| 申请日期 | 2025-07-09 | 申请号 | JP2004179790 |
| 公开（公告）号 | JP2006002214A | 公开（公告）日 | 2006-01-05 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | NSK LTD | ||
| 简介 | PROBLEM TO BE SOLVED : To make the surface of a magnetostrictive material composed of an alloy consisting essentially of rare earth elements and iron and obtained by a powder metallurgical method less liable to be oxidized over a long period. SOLUTION : A silicon dioxide (SiO2) film is deposited on the surface of a magnetostrictive material having a composition satisfying Tb0.3Dy0.7Fe2 by a plasma CVD process. COPYRIGHT : (C)2006, JPO&NCIPI | ||
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