发明名称 |
VERTICAL MAGNETIC RECORDING HEAD DEVICE |
摘要 |
A vertical magnetic recording head device includes: a magnetic layer that includes a main magnetic pole exposed from a surface facing a recording medium; a return yoke layer that is provided on the magnetic layer with a non-magnetic layer interposed therebetween; and coil layers that apply a recording magnetic field to the magnetic layer and the return yoke layer. In the vertical magnetic recording head device, the return yoke layer includes thick portions that extend in a height direction in edge regions arranged in a track width direction
|
申请公布号 |
US2008152951(A1) |
申请公布日期 |
2008.06.26 |
申请号 |
US20070947148 |
申请日期 |
2007.11.29 |
申请人 |
TOMA YUSUKE;KAMEDA HIROSHI;KOBAYASHI KIYOSHI;TAKAHASHI TORU |
发明人 |
TOMA YUSUKE;KAMEDA HIROSHI;KOBAYASHI KIYOSHI;TAKAHASHI TORU |
分类号 |
G11B5/127 |
主分类号 |
G11B5/127 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|