Invention Grant
- Patent Title: Combination perpendicular record and reproduce head having an auxiliary pole recessed from an air bearing surface and spaced from one of a pair of reproducing element sheilds
- Patent Title (中): 组合垂直记录和再现头,其具有从空气支承表面凹入并与一对再现元素边界之一间隔开的辅助极
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Application No.: US09797677Application Date: 2001-03-05
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Publication No.: US06618227B2Publication Date: 2003-09-09
- Inventor: Koji Yano , Akihiko Takeo
- Applicant: Koji Yano , Akihiko Takeo
- Priority: JP2000-289312 20000922
- Main IPC: G11B539
- IPC: G11B539

Abstract:
A magnetic recording apparatus has a two-layered medium of a soft magnetic backing layer and a perpendicular recording layer, and a perpendicular recording head having a recording section including a main magnetic pole, an auxiliary magnetic pole and an exciting coil, and a reproducing section including a reproducing element sandwiched between a pair of reproducing shields, the reproducing section and the recording section being formed separately from each other. The auxiliary magnetic pole is recessed from the air-bearing surface of the main magnetic pole, and the distance between the auxiliary magnetic pole and the reproducing shield positioned adjacent to the auxiliary magnetic pole is set to permit a magnetic field generated under the auxiliary magnetic pole to be larger than a magnetic field under the shield.
Public/Granted literature
- US20020036871A1 Recording head and magnetic recording apparatus Public/Granted day:2002-03-28
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