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2. 发明公开

KR1020080079587A 열적 헤드 부상 높이 액추에이터를 조작하는 개선된 방법을가진 디스크 드라이브 有权
标题翻译：具有改进的用于操作热头飞行高度致动器的方法的盘驱动器
公开(公告)号：KR1020080079587A
公开(公告)日：2008-09-01
申请号：KR1020080003814
申请日：2008-01-14
申请人： 에이취지에스티 네덜란드 비.브이.
发明人： 디에론로엘 , 핫토리료헤이타 , 팟와르드한사티야지트닐칸스 , 위더홀트크리스토퍼다비드
IPC分类号： G11B21/21 , G11B21/02 , G11B21/16
CPC分类号： G11B5/40 , G11B5/3133 , G11B5/5547 , G11B5/6064 , G11B5/607
摘要： A disk drive is provided to control a head-disk spacing more effectively by operating a thermal head fly-height actuator with an improved method. A disk drive comprises a magnetic recording disk(104), an air bearing slider(107), a read/write head(108), a data controller, a head positioning actuator, a heater(200), and a head fly-height controller. The magnetic recording disk has plural concentric data tracks which have plural angularly separated data sectors. The air bearing slider is maintained near the surface of the disk when the disk is rotating. The read/write head on the slider reads and writes data in the data tracks of the disk. The head positioning actuator moves the slider and the attached head to the selected data track. The heater on the slider changes the head-disk spacing. The head fly-height controller is coupled to the data controller and the heater and applies heater power to the heater to change the head-disk spacing, and has a processor and a memory for storing an instruction program readable by the processor for performing processes including a process of calculating the time power is applied to the heater from the number of the data track where data is to be read or written.
摘要翻译：提供了一种磁盘驱动器，通过使用改进的方法操作热敏头飞行高度致动器来更有效地控制磁头间隔。磁盘驱动器包括磁记录盘（104），空气轴承滑块（107），读/写头（108），数据控制器，头定位致动器，加热器（200）和头飞高度控制器。磁记录盘具有多个具有多个角度分离的数据扇区的同心数据磁道。当盘旋转时，空气轴承滑块保持在盘的表面附近。滑块上的读/写头读取和写入磁盘数据轨道中的数据。头定位致动器将滑块和附接头移动到所选择的数据轨道。滑块上的加热器更改磁头间距。头部飞行高度控制器耦合到数据控制器和加热器，并且向加热器施加加热器功率以改变头盘间隔，并且具有处理器和存储器，用于存储处理器可读的指令程序，用于执行包括根据要读取或写入数据的数据轨道的数量，计算加热器的时间功率的处理。

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