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    • 9. 发明公开
    • Air bearing magnetic head sliders
    • 空气轴承磁头滑块
    • EP0600348A2
    • 1994-06-08
    • EP93118834.6
    • 1993-11-23
    • READ-RITE CORPORATION
    • Murray, Stephen S.
    • G11B17/32
    • G11B5/6005
    • The air bearing surface (ABS) of a head slider is formed with configured rails (48, 50, 58) and leading edge tapers (40, 42). In implementations of the invention, two side rails (48, 50) extend only partially from leading edge tapers to the slider trailing edge. The inner edges of each side rail (48, 50) are formed with at least two opposing angles so that at least two rail sections vary in width along the length of the rail. Each side rail (48, 50) is shaped with an oblique angle to reduce the rail width and a reverse angle to form the sections of differing widths. The leading edge side tapers may be angled for control of pitch stiffness of the slider. In one embodiment of the invention, a third center rail (58) extends from a center taper (56) to the slider trailing edge where the transducer (61) is located. In another embodiment, a short center pad is provided at the trailing edge. In an alternative design, only two side rails are used without a center rail or pad. The ABS geometries disclosed herein include angled rail sections that provide controlled pitch and constant flying height during transducing operation in a disk drive.
    • 磁头滑块的空气轴承表面(ABS)形成有配置的导轨(48,50,58)和前缘锥体(40,42)。 在本发明的实施方式中,两个侧轨(48,50)仅从前缘锥形部分延伸到滑块后缘。 每个侧导轨(48,50)的内边缘形成有至少两个相对的角度,使得至少两个导轨部分沿着导轨的长度在宽度上变化。 每个侧轨(48,50)被成形为具有斜角以减小轨道宽度和反向角以形成不同宽度的区段。 前缘侧锥体可以成角度以控制滑块的倾斜刚度。 在本发明的一个实施例中,第三中心轨道(58)从中心渐缩部(56)延伸到换能器(61)所在的滑块后缘。 在另一个实施例中,在后缘处提供短中心垫。 在另一种设计中,只有两个侧导轨没有中心导轨或衬垫。 这里公开的ABS几何结构包括成角度的轨道部分,其在盘驱动器中的换能操作期间提供受控俯仰和恒定飞行高度。