Perpendicular magnetic recording head having front and back poles of different specific resistances
    3.
    发明授权
    Perpendicular magnetic recording head having front and back poles of different specific resistances 失效
    垂直磁记录头具有不同比电阻的前极和后极

    公开(公告)号:US08144426B2

    公开(公告)日:2012-03-27

    申请号:US12028025

    申请日:2008-02-08

    CPC classification number: G11B5/1278 G11B5/3116

    Abstract: A perpendicular magnetic recording head and a method of manufacturing said perpendicular magnetic recording head are provided. The perpendicular magnetic recording head has a main pole, a coil, which applies a magnetic field to the main pole, and a return pole constituting a magnetic circuit together with the main pole. The main pole has a back pole around which the coil is wound and a front pole contacting the back pole. The back pole and the front pole are formed on the same plane.

    Abstract translation: 提供垂直磁记录头和制造所述垂直磁记录头的方法。 垂直磁记录头具有向主极​​施加磁场的主极,线圈和与主极一起构成磁路的返回极。 主极具有一个后极,线圈缠绕在该杆上,前极接触后极。 后极和前极形成在同一平面上。

    Method of servo writing, method of compensating phase mismatch of servo pattern and hard disk drive on which the methods are implemented
    4.
    发明授权
    Method of servo writing, method of compensating phase mismatch of servo pattern and hard disk drive on which the methods are implemented 失效
    伺服写入方法,补偿伺服模式和硬盘驱动器相位失配的方法

    公开(公告)号:US08031427B2

    公开(公告)日:2011-10-04

    申请号:US12483330

    申请日:2009-06-12

    CPC classification number: G11B5/59644

    Abstract: A method of servo writing for each track of a magnetic recording medium divided into a plurality of circular tracks including performing a phase adjustment operation by controlling a phase of a recording current according to a skew angle formed by a magnetic head and a track of the magnetic recording medium, and writing a servo pattern when the magnetic recording medium is magnetized using a magnetic head so as to have a magnetized pattern corresponding to a servo pattern.

    Abstract translation: 一种用于分割成多个圆形轨迹的磁记录介质的每个轨道的伺服写入的方法,包括通过根据由磁头和磁道的轨道形成的倾斜角来控制记录电流的相位来执行相位调整操作 记录介质,并且当使用磁头磁化磁记录介质以便具有对应于伺服图案的磁化图案时,写入伺服图案。

    Magnetic recording apparatus
    5.
    发明授权
    Magnetic recording apparatus 失效
    磁记录装置

    公开(公告)号:US07990645B2

    公开(公告)日:2011-08-02

    申请号:US12054728

    申请日:2008-03-25

    Applicant: Yong-su Kim

    Inventor: Yong-su Kim

    CPC classification number: G11B5/59688 G11B5/59655

    Abstract: Provided is a magnetic recording apparatus including a magnetic recording medium having a magnetic recording position patterned of a magnetic substance and a read head reading information from the magnetic recording medium, wherein the magnetic recording medium includes: a data area having the magnetic recording position patterned including a plurality of data tracks; and a servo area including a servo burst for tracking the data tracks, wherein the servo burst includes a plurality of bursts deviating from one another in a downtrack direction, and a width of each of the bursts is equal to or greater than a width of the read head and narrower than twice the width of the read head. According to this structure, although data is reproduced using a read head having a greater width than a width of each of data tracks, a linear section in which an output voltage is reduced depending on a size of an off-track is formed. As a result, a dead zone can be removed.

    Abstract translation: 本发明提供一种磁记录装置,包括磁记录介质,磁记录介质具有图形化的磁性物质和从磁记录介质读取信息的磁头,其中磁记录介质包括:具有磁记录位置图形化的数据区,包括 多个数据轨道; 以及包括用于跟踪数据轨道的伺服脉冲串的伺服区域,其中所述伺服脉冲串包括在倾斜方向上彼此偏离的多个脉冲串,并且每个脉冲串的宽度等于或大于 读头并且窄于读头宽度的两倍。 根据该结构,虽然使用宽度大于数据磁道的宽度的读头来再现数据,但是形成其中输出电压根据偏离磁道的尺寸减小的线性部分。 因此,可以去除死区。

    Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head
    6.
    发明授权
    Magnetic recording medium, method of recording servo pattern on magnetic recording medium, and magnetic head 失效
    磁记录介质,在磁记录介质上记录伺服图案的方法和磁头

    公开(公告)号:US07948707B2

    公开(公告)日:2011-05-24

    申请号:US11937269

    申请日:2007-11-08

    Applicant: Yong-su Kim

    Inventor: Yong-su Kim

    CPC classification number: G11B5/82 B82Y10/00 G11B5/59688 G11B5/743

    Abstract: A magnetic recording medium includes a disk substrate and a magnetic recording layer formed on one surface or both surfaces of the disk substrate. The magnetic recording layer includes at least one pattern area forming a plurality of data tracks in which a position for magnetic recording is patterned with a magnetic body and at least one continuous area formed of a continuous magnetic body, and at least a part of a servo pattern for following the data track is recorded in the continuous area. A method of recording a servo pattern on a magnetic recording medium includes determining a center position of the data track and a start position of the continuous area and recording a servo pattern for following the data track in the continuous area with respect to center position of the data track and the start position of the continuous area. A magnetic head for recording a servo pattern on a magnetic recording medium includes a data writing head for recording data, a servo writing head for recording the servo pattern, and a reading head for reproducing the data.

    Abstract translation: 磁记录介质包括形成在盘基片的一个表面或两个表面上的盘基片和磁记录层。 磁记录层包括形成多个数据磁道的至少一个图形区域,其中磁记录位置用磁体图案化,以及由连续磁体形成的至少一个连续区域,以及伺服机构的至少一部分 跟踪数据轨迹的模式记录在连续区域中。 一种在磁记录介质上记录伺服图案的方法包括:确定数据磁道的中心位置和连续区域的开始位置,并记录与数据磁道相关的连续区域中的跟踪数据磁道的伺服模式 数据轨迹和连续区域的起始位置。 用于在磁记录介质上记录伺服图案的磁头包括用于记录数据的数据写入头,用于记录伺服图案的伺服写入头和用于再现数据的读取头。

    INFORMATION RECORDING MEDIA, METHOD OF MANUFACTURING THE INFORMATION RECORDING MEDIA, READ/WRITE HEAD, AND METHOD OF MANUFACTURING THE READ/WRITE HEAD
    7.
    发明申请
    INFORMATION RECORDING MEDIA, METHOD OF MANUFACTURING THE INFORMATION RECORDING MEDIA, READ/WRITE HEAD, AND METHOD OF MANUFACTURING THE READ/WRITE HEAD 审中-公开
    信息记录介质,制造信息记录介质的方法,读/写头和制造读/写头的方法

    公开(公告)号:US20100220411A1

    公开(公告)日:2010-09-02

    申请号:US12781228

    申请日:2010-05-17

    Abstract: An information recording medium, a method of manufacturing the information recording medium, a read/write head, and a method of manufacturing the read/write head are provided. The information recording medium includes magnetic recording layers formed of a ferromagnetic substance and electrical recording layers formed of a ferroelectric substance. The read/write head includes an electromagnetic write head including a main pole, a return pole magnetically connected to the main pole but electrically isolated from the main pole, a magnetic field applicator which applies a magnetic field to the main pole, and a voltage source which applies a bias voltage to the main pole; a magnetic read head provided an a side of the electromagnetic write head; and an electrical read head provided on an other side of the electromagnetic write head.

    Abstract translation: 提供信息记录介质,制造信息记录介质的方法,读/写头以及制造读/写头的方法。 信息记录介质包括由铁磁物质形成的磁记录层和由铁电物质形成的电记录层。 读/写头包括电磁写入头,其包括主极,磁极连接到主极但与主极电隔离的返回极,向主极施加磁场的磁场施加器,以及电压源 其对主极施加偏置电压; 磁读头提供电磁写头的一侧; 以及设置在电磁写入头的另一侧的电读取头。

    ICE DETECTING APPARATUS OF ICE MAKER FOR REFRIGERATOR AND ICE DETECTING METHOD THEREOF
    8.
    发明申请
    ICE DETECTING APPARATUS OF ICE MAKER FOR REFRIGERATOR AND ICE DETECTING METHOD THEREOF 有权
    冰箱制冰机ICE检测装置及其检测方法

    公开(公告)号:US20090272130A1

    公开(公告)日:2009-11-05

    申请号:US12433944

    申请日:2009-05-01

    CPC classification number: F25C5/187

    Abstract: An ice detecting apparatus for a refrigerator comprising and ice maker, a storage container to collect ice from the ice maker, and an ice detecting sensor provided at the ice maker including a transmitting unit to transmit one or more pulses, and a receiving unit to detect the pulses transmitted from the transmitting unit. A controller to determine whether the storage container is full or nearly full based on the pulses detected by the receiving unit among one or more pulses transmitted by the transmitting unit.

    Abstract translation: 一种用于冰箱的冰检测装置,包括制冰机,用于从制冰机收集冰的存储容器,以及设置在制冰机处的冰检测传感器,所述冰检测传感器包括发送单元以发送一个或多个脉冲,以及接收单元,用于检测 从发送单元发送的脉冲。 一种控制器,用于基于由所述发送单元发送的一个或多个脉冲中的由所述接收单元检测到的脉冲来确定所述存储容器是否已满或已满。

    REFRIGERATOR AND ICE MAKER THEREOF
    9.
    发明申请
    REFRIGERATOR AND ICE MAKER THEREOF 有权
    制冷机及其制冰机

    公开(公告)号:US20090255280A1

    公开(公告)日:2009-10-15

    申请号:US12423170

    申请日:2009-04-14

    Abstract: An ice detecting apparatus for an ice maker provided in a refrigerator includes an ice maker, and an ice detecting sensor attached to the ice maker and detecting an amount of ice collected in an ice container. The ice detecting sensor includes at least one optical transmitter or emitter provided on one side of the ice maker and at least one receiver at another side of the ice maker. The optical transmitter and receiver are separated by a prescribed distance and, at least one heater is provided to generate heat to be transferred to at least one of the optical transmitter or receiver.

    Abstract translation: 设置在冰箱中的制冰机的冰检测装置包括制冰机和附着在制冰机上的冰检测传感器,并且检测在冰箱中收集的冰量。 冰检测传感器包括设置在制冰机一侧的至少一个光发射器或发射器,以及制冰器另一侧的至少一个接收器。 光发射器和接收器被隔开规定的距离,并且提供至少一个加热器以产生要传送到光发送器或接收器中的至少一个的热量。

    Data storage device using magnetic domain wall movement and method of operating the data storage device
    10.
    发明申请
    Data storage device using magnetic domain wall movement and method of operating the data storage device 有权
    使用磁畴壁移动的数据存储设备和操作数据存储设备的方法

    公开(公告)号:US20080080092A1

    公开(公告)日:2008-04-03

    申请号:US11730469

    申请日:2007-04-02

    Applicant: Yong-su Kim

    Inventor: Yong-su Kim

    Abstract: Provided are a data storage device using magnetic domain wall movement and a method of operating the same. The data storage device includes a magnetic layer having a plurality of magnetic domains, a write head provided at an end portion of the magnetic layer, a read head to read data written to the magnetic layer, and a current controller connected to the write head and the read head. The method of operating the data storage device includes reading data of an end portion of the magnetic layer using a read head provided at the end portion of the magnetic layer in which a write head is provided at the other end portion thereof, moving a magnetic domain wall of the magnetic layer by a distance corresponding to the length of one magnetic domain toward the end portion, and writing the read data to the other end portion of the magnetic layer using the write head and a current controller provided between the write head and the read head.

    Abstract translation: 提供了使用磁畴壁移动的数据存储装置及其操作方法。 数据存储装置包括具有多个磁畴的磁性层,设置在磁性层的端部的写入头,用于读取写入到磁性层的数据的读取头以及连接到写入头的电流控制器, 读头。 操作数据存储装置的方法包括使用设置在其另一端部设置有写入头的磁性层的端部的读取头读取磁性层的端部的数据,使磁畴移动 所述磁性层的壁与所述端部的一个磁畴的长度相对应,并且使用所述写入头将读取的数据写入所述磁性层的另一端部,以及设置在所述写入头与所述磁头之间的电流控制器 读头

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