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    • 42. 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。
    • 46. 发明授权
    • Semiconductor trench inductors and transformers
    • 半导体沟槽电感和变压器
    • US08686522B2
    • 2014-04-01
    • US13272485
    • 2011-10-13
    • Bucknell C. Webb
    • Bucknell C. Webb
    • H01L29/82H01L21/02
    • H01L23/645H01L28/10H01L2924/0002H01L2924/00
    • Semiconductor trench inductor and transformer structures are provided, which include thin film conductive layers and magnetic layers formed within trenches etched in semiconductor substrates. Semiconductor trench devices effectively provide vertical oriented inductor and transformer structures whereby conductive coils and magnetic layers are vertically oriented on edge within trenches, thereby providing a space-saving compact design, and which allows the conductive layers within the trench to be enclosed by magnetic material, thereby providing a density of magnetic material that increases the storable energy density.
    • 提供半导体沟槽电感器和变压器结构,其包括形成在半导体衬底中蚀刻的沟槽内的薄膜导电层和磁性层。 半导体沟槽器件有效地提供垂直取向的电感器和变压器结构,由此导电线圈和磁性层在沟槽内的边缘垂直取向,从而提供节省空间的紧凑设计,并且允许沟槽内的导电层被磁性材料包围, 从而提供增加可储存能量密度的磁性材料的密度。