发明名称 PERPENDICULAR MAGNETIC RECORDING HEAD, AND ITS MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording head capable of suppressing the occurrence of side fringing on a recording pattern, forming a main magnetic pole layer with high pattern accuracy, forming the film of a yoke layer to be thick, and increasing passing efficiency, and its manufacturing method. SOLUTION: A main magnetic pole layer 24 is formed on a flat insulated layer 33 and, separately from the main magnetic pole layer 24, a thick yoke layer 35 is laminated on the main magnetic pole layer 24. The front end surface 24a of the main magnetic pole layer 24 is formed in such a shape that a width dimension in a track width direction is increased as it is farther away from an auxiliary magnetic pole layer 21. Thus, a perpendicular magnetic recording head is provided, which is capable of suppressing the occurrence of fringing on a recording pattern, forming the main magnetic pole layer with high pattern accuracy, and properly guiding a recording magnetic field to the tip of the main magnetic pole layer.
申请公布号 JP2002197615(A) 申请公布日期 2002.07.12
申请号 JP20000394697 申请日期 2000.12.26
申请人 ALPS ELECTRIC CO LTD 发明人 TAKAHASHI TORU;YAZAWA HISAYUKI;GOCHO HIDENORI;KOBAYASHI KIYOSHI;YAMADA MINORU;SATO KIYOSHI;WATANABE TOSHINORI
分类号 G11B5/31;G11B5/127;G11B5/187;(IPC1-7):G11B5/31 主分类号 G11B5/31
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