发明名称 |
Magnetic head for perpendicular magnetic recording |
摘要 |
A magnetic layer for writing incorporates: a pole layer having an end face located in a medium facing surface and a lower yoke layer. A first magnetic layer for flux concentration is connected to the lower yoke layer at a location away from the medium facing surface, and passes a magnetic flux corresponding to a magnetic field generated by a first coil. A second magnetic layer for flux concentration is connected to the pole layer at a location away from the medium facing surface, and passes a magnetic flux corresponding to a magnetic field generated by a second coil. A nonmagnetic layer is disposed between the pole layer and the lower yoke layer. The lower yoke layer is connected to the pole layer at a location closer to the medium facing surface than the nonmagnetic layer. |
申请公布号 |
US8427782(B2) |
申请公布日期 |
2013.04.23 |
申请号 |
US201213476543 |
申请日期 |
2012.05.21 |
申请人 |
SASAKI YOSHITAKA;ITOH HIROYUKI;TANEMURA SHIGEKI;SHIMIZU TATSUSHI;SHIMIZU TATSUYA;HEADWAY TECHNOLOGY, INC.;SAE MAGNETICS (H.K.) LTD. |
发明人 |
SASAKI YOSHITAKA;ITOH HIROYUKI;TANEMURA SHIGEKI;SHIMIZU TATSUSHI;SHIMIZU TATSUYA |
分类号 |
G11B5/147 |
主分类号 |
G11B5/147 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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