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    • 8. 发明申请
    • Magnetic head and magnetic disk drive
    • 磁头和磁盘驱动器
    • US20080024915A1
    • 2008-01-31
    • US11880258
    • 2007-07-19
    • Koji MiyakeHidekazu KohiraKiyoshi HashimotoTakanori YamazakiHideaki Tanaka
    • Koji MiyakeHidekazu KohiraKiyoshi HashimotoTakanori YamazakiHideaki Tanaka
    • G11B5/187
    • G11B5/314G11B5/3136G11B5/6011G11B5/6064
    • Embodiments of the present invention provide a magnetic head and a magnetic disk drive using the same, which is capable of increasing efficiency in changing the flying height of an element portion by heat generation of a heater in the magnetic head using the heater as well as capable of suppressing the change of the flying height of the element portion at the time of recording. In a magnetic head according to one embodiment of the invention, when a portion is defined as a “heater immobility line”, in which a position of the positive pressure generation surface does not vary when the electricity is distributed to a heater, and a portion is defined as a “write immobility line”, in which a position of the positive pressure generation surface does not vary at the time of recording, the area of the raised region surrounded by the heater immobility line is smaller than the area of the raised region surrounded by the write immobility line.
    • 本发明的实施例提供了使用该磁头和磁盘驱动器的磁头和磁盘驱动器,其能够通过使用加热器的磁头中的加热器的发热来提高元件部分的飞行高度的变化的效率,并且能够 抑制记录时的元件部的飞行高度的变化。 在根据本发明的一个实施例的磁头中,当将部分定义为“加热器不动线”时,其中正电压产生表面的位置在电分配给加热器时不变化,并且部分 被定义为“写入不动线”,其中正压产生表面的位置在记录时不变化,由加热器不动线包围的升高区域的面积小于凸起区域的面积 包围着写不动线。
    • 10. 发明申请
    • Magnetic head slider with flying height control
    • 磁头滑块具有飞行高度控制
    • US20070058296A1
    • 2007-03-15
    • US11516828
    • 2006-09-06
    • Kiyoshi HashimotoHidekazu KohiraTakanori YamazakiKoji Miyake
    • Kiyoshi HashimotoHidekazu KohiraTakanori YamazakiKoji Miyake
    • G11B5/60G11B21/22
    • G11B5/6005G11B5/6064
    • Embodiments of the invention provide a slider structure able to lower a flying height compensation ratio caused by a projecting deformation of an air bearing surface of a slider by a flying height control mechanism and afford a change in flying height with a low control power. In one embodiment, a slider is provided with a leading edge, an air bearing surface, and a trailing edge. The air bearing surface includes a front pad, the front pad being made up of a front step bearing surface, leading rail surfaces, and side step bearing surfaces. The air bearing surface also includes a negative pressure groove surface surrounded by the front pad. The air bearing surface further includes a rear pad, the rear pad being made up of a rear step bearing surface formed at the same depth as the depth of the front step bearing surface and positioned on the trailing edge side, a trailing rail surface, an intermediate groove deeper than the trailing rail surface, and a trailing pad surface lying at the same height as the trailing rail surface. The front and both sides of the trailing pad surface are surrounded by the trailing rail surface.
    • 本发明的实施例提供一种滑块结构,其能够通过飞行高度控制机构降低由滑块的空气轴承表面的突出变形引起的飞行高度补偿比,并且以较低的控制功率提供飞行高度的变化。 在一个实施例中,滑块设置有前缘,空气支承表面和后缘。 空气轴承表面包括前垫,前垫由前台阶承载面,前导轨面和侧台承载面构成。 空气轴承表面还包括由前垫包围的负压槽表面。 空气轴承表面还包括后垫,后垫由后台阶承载表面构成,该后承载表面形成在与前阶梯承载表面的深度相同的深度并且位于后缘侧,后轨道表面, 比后导轨表面更深的中间槽,以及位于与后导轨表面相同高度的后垫表面。 尾垫表面的前侧和两侧被后导轨表面包围。