High reliability heater for flying height control
    1.
    发明申请
    High reliability heater for flying height control 失效
    高可靠性加热器,用于飞行高度控制

    公开(公告)号:US20060034013A1

    公开(公告)日:2006-02-16

    申请号:US11201569

    申请日:2005-08-10

    IPC分类号: G11B5/41

    摘要: Embodiments of the invention improve the power consumption and response speed of a heater for the gap flying height (hg) adjustment, to minimize an influence that the heater has on a life of a read element, and to provide a heater having resistance lines reduced in breaking and ensuring higher reliability. In one embodiment, a read/write element is formed near an air bearing surface (ABS) on a slider, and the circumference of the read/write element is filled with alumina. The read/write element includes an upper magnetic pole piece, a lower magnetic pole piece, a coil, and a resist filling around the coil, and a read element (MR) for performing reading, and an upper shield and lower shield for protecting the read element from an external magnetic field. A heater for adjusting the flying height is provided between the slider and the read/write element but near the read/write element. A temperature gradient relaxing material having a thermal conductivity higher than that of the heater and that of a material (alumina) filling around the heater is formed near the heater.

    摘要翻译: 本发明的实施例提高了用于间隙飞行高度(hg)调节的加热器的功率消耗和响应速度,以最小化加热器对读取元件的寿命的影响,并且提供具有减小的电阻线的加热器 打破并确保更高的可靠性。 在一个实施例中,在滑块上的空气轴承表面(ABS)附近形成读/写元件,并且读/写元件的圆周上填充有氧化铝。 读/写元件包括上磁极片,下磁极片,线圈和围绕线圈填充的抗蚀剂,以及用于执行读取的读取元件(MR),以及用于保护 从外部磁场读取元件。 用于调节飞行高度的加热器设置在滑块和读/写元件之间但靠近读/写元件。 在加热器附近形成导热率高于加热器的热导率的温度梯度松弛材料和填充在加热器周围的材料(氧化铝)的温度梯度松弛材料。