发明授权
US06671117B2 Magnetic writer for noise suppression in perpendicular recording media
有权
用于垂直记录介质中噪声抑制的磁性写入器
- 专利标题： Magnetic writer for noise suppression in perpendicular recording media
- 专利标题（中）： 用于垂直记录介质中噪声抑制的磁性写入器
-
申请号： US09957406申请日： 2001-09-20
-
公开(公告)号： US06671117B2公开(公告)日： 2003-12-30
- 发明人: Dimitar V. Dimitrov , Johannes VanEk , Michael C. Kautzky
- 申请人： Dimitar V. Dimitrov , Johannes VanEk , Michael C. Kautzky
- 主分类号： G11B502
- IPC分类号： G11B502
摘要：
A transducing head for perpendicularly writing data to a magnetic medium having a recording layer and a soft magnetic underlayer comprises a perpendicular write transducer for writing data into the recording layer and a DC magnetic writer having legs in spaced relation to generate a magnetic field along tracks of the magnetic medium. The magnetic field writes a DC magnetic effect longitudinally into the soft magnetic underlayer, thereby reducing noise due to the operation of the perpendicular write transducer.