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    • 2. 发明授权
    • Thin film magnetic head having increased core cross section
    • 薄膜磁头磁芯横截面增大
    • US5296992A
    • 1994-03-22
    • US729555
    • 1991-07-15
    • Iwao Abe
    • Iwao Abe
    • G11B5/31G11B5/147
    • G11B5/3183G11B5/3106
    • Thin film type magnetic transducer head is disclosed in which a track width recorded on a magnetic recording medium is determined by a thickness of thin film magnetic core halves formed on a non-magnetic substrate. The head has a rear core portion having a larger thickness than the track width forming portion of the head facing to the travelling magnetic recording medium, and a coil wound around the rear core portion. The coil comprises first coil portions underlying the rear core portion and second coil portions overlying the rear core portion and third coil portions connecting the first and the second core portions. The head is manufactured by thin film forming technique in combination with photolithography.
    • 公开了记录在磁记录介质上的磁道宽度由形成在非磁性基板上的薄膜磁芯半部的厚度确定的薄膜型磁转换头。 头部具有比与面向移动磁记录介质的头部的轨道宽度形成部分相比更大的厚度的后芯部分和缠绕在后部芯部分上的线圈。 线圈包括位于后芯部下面的第一线圈部分和覆盖后芯部分的第二线圈部分和连接第一和第二芯部分的第三线圈部分。 该头部通过薄膜形成技术与光刻相结合制造。