| 发明名称 | Electric wire and coil | ||
| 摘要 | A electric wire includes a central conductor 1 made of aluminum or an aluminum alloy, a cover layer 2 made of copper and covering the central conductor 1, and a ferromagnetic layer 3 covering the cover layer 2 and blocking the external magnetic field. The thickness of the ferromagnetic layer 3 is in a range from 0.04 μm to 14 μm, the total diameter of the central conductor 1 and the cover layer 2 is in a range from 0.05 mm to 0.4 mm, and the cross-sectional area of the central conductor 1 is in a range from 85% to 95% of the total cross-sectional area of the central conductor 1 and the cover layer 2. | ||
| 申请公布号 | US8946560(B2) | 申请公布日期 | 2015.02.03 |
| 申请号 | US201414208662 | 申请日期 | 2014.03.13 |
| 申请人 | Fujikura Ltd. | 发明人 | Kamidaki Chihiro;Guan Ning;Shinmoto Takashi;Hori Yasunobu |
| 分类号 | H01B1/02;H05K9/00 | 主分类号 | H01B1/02 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. An electric wire comprising: a central conductor made of aluminum or an aluminum alloy; a cover layer made of copper and covering the central conductor; and a ferromagnetic layer covering the cover layer and blocking an external magnetic field, wherein a thickness of the ferromagnetic layer is in a range from 0.04 μm to 14 μm, a total diameter of the central conductor and the cover layer is in a range from 0.05 mm to 0.4 mm, a cross-sectional area of the central conductor is in a range from 85% to 95% of a total cross-sectional area of the central conductor and the cover layer, relative magnetic permeability of the ferromagnetic layer is in a range from 5 to 10000, and a frequency used is in a range from 200 Hz to 30 MHz. | ||
| 地址 | Tokyo JP | ||