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    • 10. 发明授权
    • Magnetoresistance effect type complex head and method for manufacturing the same
    • 磁阻效应型复合头及其制造方法
    • US06392851B1
    • 2002-05-21
    • US09400543
    • 1999-09-21
    • Nobuyuki IshiwataTsutomu Ishi
    • Nobuyuki IshiwataTsutomu Ishi
    • G11B5187
    • G11B5/3903G11B5/3116G11B5/3163G11B5/3967
    • Disclosed is a magnetroresistance effect type complex head including: (1) a magnetroresistance effect head including: a magnetroresistance effect element 15 which includes a central region 12 for detecting a magnetic field from a record medium and a pair of terminal portions 13, 14 for supplying a bias magnetic field and a current to the central region; a pair of magnetic separators 11, 16 confronting each other, sandwiching the magnetroresistance effect element, and each including an insulator; and a first and second magnetic shield films 10, 17 confronting each other, and sandwitching the magnetroresistance effect element and the pair of magnetic separators; (2) an inductive head including: a first magnetic pole film 17 which is also used as the second magnetic shield; a magnetic gap 18 piled up on the first magnetic pole; a second magnetic pole film 19 piled up on the magnetic gap; and a coil pattern for generating a magnetic flux which flows through the first and second magnetic pole films; (3) a pair of pits 20 recessed in a direction perpendicular to an air bearing surface and disposed on both lateral sides of the second magnetic pole film to determine a width of the second magnetic pole film; and (4) a pattern 8 for determining a position of the pair of recesses.
    • 公开了一种磁阻效应型复合磁头,其包括:(1)磁阻效应磁头,包括:磁阻效应元件15,其包括用于检测来自记录介质的磁场的中心区域12和用于供给的一对端子部分13,14 偏置磁场和到中心区域的电流; 相互面对的一对磁性分离器11,16,夹持磁阻效应元件,并且各自包括绝缘体; 以及彼此面对的第一和第二磁屏蔽膜10,17,以及对磁阻效应元件和一对磁选机进行开锁; (2)感应头,包括:还用作第二磁屏蔽的第一磁极膜17; 堆积在第一磁极上的磁隙18; 堆叠在磁隙上的第二磁极膜19; 以及用于产生流过第一和第二磁极膜的磁通的线圈图案; (3)在与空气轴承面垂直的方向上凹陷的一对凹坑20,设置在第二磁极膜的两侧,确定第二磁极膜的宽度; 和(4)用于确定该对凹部的位置的图案8。