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    • 1. 发明授权
    • Method and apparatus for correcting for systematic errors in timing pattern generation
    • 用于校正定时模式生成中的系统误差的方法和装置
    • US07136243B2
    • 2006-11-14
    • US11015130
    • 2004-12-17
    • Timothy J. ChainerAnthony P. PrainoMark D. SchultzBucknell C. WebbEdward J. Yarmchuk
    • Timothy J. ChainerAnthony P. PrainoMark D. SchultzBucknell C. WebbEdward J. Yarmchuk
    • G11B5/09G11B21/02
    • G11B5/59633G11B5/5565G11B21/106
    • Improvements in placement of timing patterns in self-servowriting include correcting for systematic errors due to geometric effects. A correction is made for varying systematic errors, such as when the recording head has spatially separate read and write elements. Further, servopattern rotation due to residual or unmeasured systematic errors is reduced by using a once per revolution clock index derived from the motor drive current waveform or any other sensor. In one aspect of correcting for systematic errors in the writing of timing patterns on a storage medium of a storage device, a time interval between a trigger pattern written at a first radial position of the storage medium and a rotational index is measured. The rotational index is related to the rotational orientation of the storage medium with respect to a fixed frame of the storage device. The location of another trigger pattern to be written is shifted, using the measured time interval to determine the shift in location for the another trigger pattern.
    • 自我维护中定时模式布局的改进包括纠正由于几何效应引起的系统误差。 对变化的系统误差进行校正,例如当记录头具有空间上分离的读和写元件时。 此外,通过使用从电动机驱动电流波形或任何其他传感器导出的每转一次的时钟指数来减少由于残余或未测量的系统误差引起的伺服模式旋转。 在对存储装置的存储介质上的定时模式的写入进行校正系统错误的一个方面,测量在存储介质的第一径向位置上写入的触发模式与旋转指标之间的时间间隔。 旋转指数与存储介质相对于存储装置的固定框架的旋转取向有关。 使用测量的时间间隔来移动要写入的另一个触发模式的位置,以确定另一个触发模式的位置偏移。
    • 6. 发明授权
    • Self-servo-writing multi-slot timing pattern
    • 自伺服写多槽定时模式
    • US07019926B2
    • 2006-03-28
    • US10184343
    • 2002-06-27
    • Timothy J. ChainerMark D. SchultzBucknell C. Webb
    • Timothy J. ChainerMark D. SchultzBucknell C. Webb
    • G11B5/09
    • G11B5/59633G11B5/59605
    • A system and method for self-servo-writing of multi-slot timing patterns is described. Individual timing marks are replaced with groups of timing mark slots. At each timing mark location, a time measurement is made by detecting a timing mark in one of the slots. Also, extensions to the existing timing marks are written in other slots. The combination of timing measurements at every timing mark and extensions to those timing marks written at every opportunity improves the overall precision of the timing propagation. The improved accuracy of timing mark placement produces a commensurate improvement in the placement of the concomitantly written servo-data. In addition, the alignment accuracy of the written pattern is less sensitive to variations in rotation speed and variations in the shape of written transitions. Moreover, only a single disk revolution is required at each servo radius to write servo data and propagate the timing marks.
    • 描述了一种用于多时隙定时模式的自伺服写入的系统和方法。 单个定时标记被定时标记位置组替换。 在每个定时标记位置,通过检测其中一个时隙中的定时标记来进行时间测量。 此外,现有时序标记的扩展也写在其他插槽中。 每个定时标记的定时测量和在每个机会上写入的定时标记的扩展的组合可以提高定时传播的总体精度。 定时标记放置的改进精度在同时写入的伺服数据的位置上产生相应的改进。 此外,写入的图案的对准精度对旋转速度的变化和写入的转变的形状的变化较不敏感。 此外,在每个伺服半径处仅需要一次盘旋转以写入伺服数据并传播定时标记。
    • 7. 发明授权
    • Self-servo-writing multi-slot timing pattern
    • 自伺服写多槽定时模式
    • US07268963B2
    • 2007-09-11
    • US10903153
    • 2004-07-30
    • Timothy J. ChainerMark D. SchultzBucknell C. Webb
    • Timothy J. ChainerMark D. SchultzBucknell C. Webb
    • G11B5/09G11B21/02G11B5/596
    • G11B5/59633G11B5/59605
    • Self-servo-writing of multi-slot timing patterns is described. Individual timing marks are replaced with groups of timing mark slots. At each timing mark location, a time measurement is made by detecting a timing mark in one of the slots. Also, extensions to the existing timing marks are written in other slots. The combination of timing measurements at every timing mark and extensions to those timing marks written at every opportunity improves the overall precision of the timing propagation. The improved accuracy of timing mark placement produces a commensurate improvement in the placement of the concomitantly written servo-data. In addition, the alignment accuracy of the written pattern is less sensitive to variations in rotation speed and variations in the shape of written transitions. Moreover, only a single disk revolution is required at each servo radius to write servo data and propagate the timing marks to maintain timing alignment.
    • 描述了多时隙定时模式的自伺服写入。 单个定时标记被定时标记位置组替换。 在每个定时标记位置,通过检测其中一个时隙中的定时标记来进行时间测量。 此外,现有时序标记的扩展也写在其他插槽中。 每个定时标记的定时测量和在每个机会上写入的定时标记的扩展的组合可以提高定时传播的总体精度。 定时标记放置的改进精度在同时写入的伺服数据的位置上产生相应的改进。 此外,写入的图案的对准精度对旋转速度的变化和写入的转变的形状的变化较不敏感。 此外,在每个伺服半径处仅需要一次盘旋转以写入伺服数据并传播定时标记以保持定时对准。
    • 10. 发明申请
    • COMPLIANT THERMAL INTERFACE STRUCTURE UTILIZING SPRING ELEMENTS
    • 使用弹簧元件的合适的热接口结构
    • US20080144288A1
    • 2008-06-19
    • US12037067
    • 2008-02-25
    • John P. KaridisMark D. SchultzBucknell C. Webb
    • John P. KaridisMark D. SchultzBucknell C. Webb
    • H05K7/20
    • H01L23/433A01H5/02A01H6/42H01L23/427H01L2924/0002H01L2924/00
    • A structure for cooling an electronic device is disclosed. The structure includes a solid heat-conducting layer disposed over the electronic device. The solid heat-conducting layer is a planar surface in contact with the electronic device. The structure further includes a plurality of copper spring elements disposed between the solid heat-conducting layer and the electronic device for providing a heat path from the electronic device and wherein the plurality of spring elements extend in an upper direction away from the electronic device and wherein the plurality of spring elements include a spring for offering resistance when loaded and wherein the spring elements have a smaller profile at a first end in contact with the electronic device, wherein the profile increases in size at a second end in contact with the solid heat-conducting layer.
    • 公开了一种用于冷却电子设备的结构。 该结构包括设置在电子设备上的固体导热层。 固体导热层是与电子设备接触的平面。 该结构还包括设置在固体导热层和电子装置之间的多个铜弹簧元件,用于提供来自电子装置的热路径,并且其中多个弹簧元件沿远离电子装置的上方向延伸,并且其中 多个弹簧元件包括用于在加载时提供电阻的弹簧,并且其中弹簧元件在与电子设备接触的第一端处具有较小的轮廓,其中,在与固体热交换器接触的第二端处的轮廓尺寸增大, 导电层。