| 发明名称 | Magnetic sensor with doped ferromagnetic cap and/or underlayer | ||
| 摘要 | A magnetic head according to one embodiment includes an underlayer, a first nonmagnetic spacer layer above the underlayer, a free layer above the first nonmagnetic spacer layer, a second nonmagnetic spacer layer above the free layer, and a cap layer above the second nonmagnetic spacer layer. At least one of the cap layer and the underlayer comprises a soft ferromagnetic material and a high spin orbit coupling material. Other embodiments are also described. | ||
| 申请公布号 | US9099115(B2) | 申请公布日期 | 2015.08.04 |
| 申请号 | US201314078410 | 申请日期 | 2013.11.12 |
| 申请人 | HGST Netherlands B.V. | 发明人 | Braganca Patrick M.;Childress Jeffrey R.;Read John C. |
| 分类号 | G11B5/31;G11B5/84 | 主分类号 | G11B5/31 |
| 代理机构 | Zilka-Kotab, PC | 代理人 | Zilka-Kotab, PC |
| 主权项 | 1. A magnetic head, comprising: an underlayer; a first nonmagnetic spacer layer above the underlayer; a free layer above the first nonmagnetic spacer layer; a second nonmagnetic spacer layer above the free layer; and a cap layer above the second nonmagnetic spacer layer; wherein at least one of the cap layer and the underlayer comprises a soft ferromagnetic material and a high spin orbit coupling material. | ||
| 地址 | Amsterdam NL | ||