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    • 34. 发明授权
    • Apparatus for sensing position of electrostatic XY-stage through time-division multiplexing
    • 用于通过时分复用来感测静电XY平台的位置的装置
    • US06515489B2
    • 2003-02-04
    • US09879973
    • 2001-06-14
    • Dong-ki MinCheol-soon KimJong Up Jeon
    • Dong-ki MinCheol-soon KimJong Up Jeon
    • G01R2726
    • G01Q10/06G01B7/003G01D5/2417G01P2015/082G11B9/1418
    • The apparatus senses the positions of X- and Y- axes of the stage by applying an excitation signal having a phase difference to a stator of each axis of the XY-stage and then time-division detecting changes in capacitance from a moving plate. The apparatus includes: a moveable stage, rotor combs connected to the stage, and stator combs of predetermined axes, wherein differential capacitors are formed between the rotor and stator combs; an amplifier connected to the stage for outputting position information in a time-division manner, in which a time constant is designed so as to prevent interference between position information output from the stage; a sample/hold unit for sampling and holding the time-division position information output from the amplifier in response to a timing control signal; and a controller which outputs a control signal such that the time-division position information from the amplifier can be sampled and held when the information reaches a maximum, reads position information output from the sample/hold unit, and generates excitation signals having different phases to each be applied to a different axis.
    • 该装置通过向XY台的每个轴的定子施加具有相位差的激励信号,然后对来自移动板的电容的变化进行时分检测来感测台的X轴和Y轴的位置。 该装置包括:移动台,连接到台的转子梳和预定轴的定子梳,其中差分电容器形成在转子和定子梳之间; 连接到所述级的放大器,用于以时分方式输出位置信息,其中设计时间常数以防止从所述级输出的位置信息之间的干扰; 采样/保持单元,用于采样和保持响应于定时控制信号从放大器输出的时分位置信息; 以及控制器,其输出控制信号,使得当信息达到最大时可以对来自放大器的时分位置信息进行采样和保持,读取从采样/保持单元输出的位置信息,并产生具有不同相位的激励信号 每个都应用于不同的轴。
    • 35. 发明授权
    • Method and apparatus for detecting probe position error in a data storage system and method and apparatus for tracking data
    • 用于检测数据存储系统中的探针位置误差的方法和装置以及用于跟踪数据的方法和装置
    • US07693028B2
    • 2010-04-06
    • US11143478
    • 2005-06-03
    • Dong-ki MinSeung-bum Hong
    • Dong-ki MinSeung-bum Hong
    • G11B7/00G11B9/00
    • G11B9/1454B82Y10/00
    • An apparatus for detecting a probe position error includes a position error extracting unit extracting probe position errors from signals detected by a probe; a position error adding unit calculating the probe position errors in units of a predetermined time; and a signal processing unit storing a past probe position error calculated by the position error extracting unit and generating a probe position error by processing the past probe position error and a current probe position error. An apparatus for tracking data includes a scanner moving a data storage medium; a probe detecting the signals from a data storage medium; an error detector detecting probe position errors in a half-period of an error extracting signal by applying the error extracting signal used to extract the probe position errors to the signal detected by the probe; and a compensator compensating for the probe position errors detected by the error detector.
    • 用于检测探头位置误差的装置包括位置误差提取单元,从由探针检测的信号中提取探针位置误差; 位置误差添加单元,以预定时间为单位计算探测位置误差; 以及信号处理单元,存储由位置误差提取单元计算出的过去的探针位置误差,并通过处理过去的探针位置误差和当前探针位置误差来产生探针位置误差。 一种用于跟踪数据的装置包括扫描仪移动数据存储介质; 检测来自数据存储介质的信号的探针; 误差检测器通过将用于提取探针位置误差的误差提取信号应用于由探针检测的信号,检测误差提取信号的半周期中的探测器位置误差; 以及补偿器,用于补偿由误差检测器检测到的探头位置误差。
    • 37. 发明申请
    • METHOD AND APPARATUS FOR CALIBRATING POSITION OF IMAGE SENSOR, AND METHOD OF DETECTING POSITION OF IMAGE SENSOR
    • 用于校准图像传感器位置的方法和装置,以及检测图像传感器位置的方法
    • US20080109182A1
    • 2008-05-08
    • US11828516
    • 2007-07-26
    • Dong-ki MinSung-hoon ChoaSeung-bum Hong
    • Dong-ki MinSung-hoon ChoaSeung-bum Hong
    • G01C25/00
    • H04N5/349
    • A method and apparatus for calibrating a position of an image sensor, and a method of detecting the position of an image sensor are provided. The method of calibrating the position of an image sensor includes: obtaining first image information corresponding to a first position of the image sensor and obtaining second image information corresponding to a second position of the image sensor, calculating cross-correlation values between the obtained first image information and second image information; determining whether or not the calculated cross-correlation values are symmetrical; setting a driving power value of the image sensor for moving the image sensor the distance between the first position to the second position as a reference driving power value for moving the image sensor one-pixel distance, if it is determined that the cross-correlation values are not symmetrical; and calibrating the position of the image sensor by using the set driving power value.
    • 提供了用于校准图像传感器的位置的方法和装置以及检测图像传感器的位置的方法。 校准图像传感器的位置的方法包括:获得与图像传感器的第一位置相对应的第一图像信息,并获得与图像传感器的第二位置对应的第二图像信息,计算所获得的第一图像之间的互相关值 信息和第二图像信息; 确定所计算的互相关值是否对称; 设置图像传感器的驱动功率值,用于将图像传感器的距离移动到第一位置与第二位置之间,作为用于使图像传感器移动一像素距离的基准驱动功率值,如果确定互相关值 不对称 并使用设定的驱动功率值来校准图像传感器的位置。
    • 38. 发明授权
    • XY stage module, storage system employing the same and method for fabricating the XY stage module
    • XY平台模块,采用该模块的存储系统以及用于制造XY平台模块的方法
    • US07316072B2
    • 2008-01-08
    • US11546240
    • 2006-10-12
    • Hong-sik ParkJu-hwan JungSeung-bum HongDong-ki Min
    • Hong-sik ParkJu-hwan JungSeung-bum HongDong-ki Min
    • G01B5/004
    • G11B9/1454B82Y10/00
    • An XY stage module, a storage system including the same and a method for facating the XY stage module are provided. The XY stage module includes: a base; an XY stage horizontally moving above the base in a first direction and a second direction that is orthogonal to the first direction; a supporting unit disposed at the base for elastically supporting the XY stage; a stiffener for preventing the XY stage from being rotated; and a position sensor having a movable comb-shaped structure disposed at one side of the stiffener and having at least one movable comb and a fixed comb-shaped structure fixed on the base and having at least one fixed comb meshed with the movable comb to be separated at a predetermined gap for measuring a movement of the XY stage in the first direction and the second direction.
    • 提供了一种XY平台模块,包括该XY平台模块的存储系统和用于使XY平台模块的平面化的方法。 XY台模块包括:基座; XY台在第一方向上在基座上方水平移动,第二方向与第一方向正交; 设置在所述基座上用于弹性地支撑所述XY平台的支撑单元; 用于防止XY平台旋转的加强件; 以及位置传感器,其具有设置在所述加强件的一侧的可移动梳状结构,并且具有固定在所述基座上的至少一个活动梳和固定梳状结构,并且具有与所述活动梳状物啮合的至少一个固定梳 在预定间隙处分离,以测量XY台在第一方向和第二方向上的运动。
    • 40. 发明申请
    • Information media and method and apparatus for writing and reproducing information using the same
    • 用于使用该信息的信息媒体和用于写入和再现信息的方法和装置
    • US20070196618A1
    • 2007-08-23
    • US11633472
    • 2006-12-05
    • Yun-woo NamDong-ki Min
    • Yun-woo NamDong-ki Min
    • B32B3/02
    • G11B9/02G01Q80/00G11B9/1409G11B11/007G11B2005/0021
    • Provided are a method and an apparatus for reproducing information using a semiconductor probe. The apparatus includes a storage media including a ferroelectric recording layer which stores information by arranging a polarization direction of polarization domains of the ferroelectric recording layer and a physical recording layer disposed on the ferroelectric recording layer and whereupon information is written by forming pits in the physical recording layer, a semiconductor probe generating a composite signal including an electric field signal generated by an electric field variation of the ferroelectric recording layer of the storage media and a thermal signal generated by a temperature variation generated due to a variation in a shape of the physical recording layer, a signal detector detecting the composite signal from the semiconductor probe, and a demodulator demodulating the composite signal from the signal detector and extracting the electric field signal and the thermal signal from the composite signal.
    • 提供了一种使用半导体探针再现信息的方法和装置。 该装置包括存储介质,该存储介质包括铁电记录层,该铁电记录层通过布置铁电记录层的极化畴的偏振方向和设置在铁电记录层上的物理记录层来存储信息,并且通过在物理记录中形成凹坑来写入信息 层,产生包括由存储介质的铁电记录层的电场变化产生的电场信号的复合信号的半导体探测器以及由于物理记录的形状变化而产生的温度变化而产生的热信号 检测来自半导体探针的复合信号的信号检测器,以及解调器,对来自信号检测器的合成信号进行解调,并从复合信号中提取电场信号和热信号。