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    • 8. 发明授权
    • Thin-film magnetic head having a magnetic pole formed of a plating film
    • 具有由镀膜形成的磁极的薄膜磁头
    • US08248728B2
    • 2012-08-21
    • US12697699
    • 2010-02-01
    • Atsushi YamaguchiMasaya KatoKoichi OtaniWakako Okawa
    • Atsushi YamaguchiMasaya KatoKoichi OtaniWakako Okawa
    • G11B5/147
    • G11B5/33G11B21/02Y10T428/1171
    • A magnetic pole of a magnetic head includes a narrow and a wide portion, and is formed of a plating film. An electrode film forms the plating film, and is provided only under at least a part of the wide portion. A manufacturing method for the magnetic head includes: forming a plating-film-accommodating layer with an accommodating groove; forming the electrode film in part of the accommodating groove; and forming the plating film in the accommodating groove by plating using the electrode film. The accommodating groove includes a narrow and a wide groove portion for accommodating the narrow and wide portions, respectively. The electrode film is provided only in at least a part of the wide groove portion. In the step of forming the plating film, the plating film grows from the surface of the electrode film, and the narrow groove portion is filled with a part of the plating film.
    • 磁头的磁极包括窄且宽的部分,并且由镀膜形成。 电极膜形成镀膜,并且仅在宽部的至少一部分下方设置。 磁头的制造方法包括:形成具有容纳槽的镀膜容纳层; 在所述容纳槽的一部分中形成所述电极膜; 以及通过使用所述电极膜进行电镀而在所述容纳槽中形成所述镀膜。 容纳槽包括狭窄的宽槽部分,用于分别容纳狭窄和宽的部分。 电极膜仅设置在宽槽部的至少一部分中。 在形成镀膜的步骤中,电镀膜从电极膜的表面生长,并且窄槽部分填充有电镀膜的一部分。