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1.发明申请MAGNETIC DISK, METHOD OF TRACK FOLLOWING ON A MAGNETIC DISK, AND METHOD OF WRITING A SERVO PATTERN IN A DEDICATED SERVO LAYER OF A MAGNETIC DISK 审中-公开磁盘，磁盘上的跟踪方法以及在磁盘的专用伺服层中写入伺服模式的方法
公开(公告)号：WO2015041604A1
公开(公告)日：2015-03-26
申请号：PCT/SG2014/000443
申请日：2014-09-17
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： YUAN, Zhimin , ZHANG, Jingliang , ONG, Chun Lian , ANG, Shiming
CPC classification number: G11B5/59666 , G11B5/59655
Abstract: Magnetic disk, method of track following on a magnetic disk, and method of writing a servo pattern in a dedicated servo layer of a magnetic disk. The magnetic disk comprises a servo pattern in a dedicated servo layer of the magnetic disk, the servo pattern having a first burst A and a second burst B arranged to be within one period of a servo sample, each of burst A and burst B comprising DC+ and DC- magnetic bursts; wherein a center of the DC+/DC- bursts of burst B is shifted relative to the DC+/DC- bursts of burst A in a substantially radial direction of the magnetic disk.
Abstract translation: 磁盘，磁盘跟踪方法，以及将伺服模式写入磁盘的专用伺服层中的方法。 磁盘包括在磁盘的专用伺服层中的伺服模式，伺服模式具有布置成在伺服采样的一个周期内的第一脉冲串A和第二脉冲串B，每个脉冲串A和脉冲串B包括DC + 和直流磁脉冲; 其中突发B的DC + / DC脉冲串的中心相对于磁盘的大致径向方向上的脉冲串A的DC + / DC脉冲串移位。
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公开(公告)号：WO2013032405A1
公开(公告)日：2013-03-07
申请号：PCT/SG2012/000309
申请日：2012-08-31
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH , BI, Chao , CAI, Kui , CHAN, Kheong Sann , CHING, Zhi Yong , ELIDRISSI, Moulay Rachid , HAN, Guchang , HE, Zhimin , HLA NU, Phyu , HU, Jiang Feng , HUA, Wei , JIANG, Quan , LEONG, Siang Huei , LIN, Wuzhong , LIU, Bo , MA, Yansheng , ONG, Chun Lian , SHI, Jianzhong , SOH, Cheng Su , TAN, Sufui, Sophia , WANG, Li , WONG, Chiew Leong , XI, Weiya , YONG, Khai Leong , YU, Shengkai , YU, Yin Quan , YUAN, Zhimin , ZHANG, JingLiang , ZHOU, Tiejun , ALEXOPOULOS, Pantelis , SANTOSO, Budi , ZHANG, Qide , SUNDARAVADIVELU, Kannan , LIU, Ningyu , MOU, Jianqiang , LEE, Chong Wee , GAN, Ke , SEE, Boon Long, Ibrahim , GONZAGA, Leonard , LIM, Wee Kiat , LIU, Mengjun , VENKATAKRISHNAN, Venkataramanan , TAN, Cheng Peng
Inventor： BI, Chao , CAI, Kui , CHAN, Kheong Sann , CHING, Zhi Yong , ELIDRISSI, Moulay Rachid , HAN, Guchang , HE, Zhimin , HLA NU, Phyu , HU, Jiang Feng , HUA, Wei , JIANG, Quan , LEONG, Siang Huei , LIN, Wuzhong , LIU, Bo , MA, Yansheng , ONG, Chun Lian , SHI, Jianzhong , SOH, Cheng Su , TAN, Sufui, Sophia , WANG, Li , WONG, Chiew Leong , XI, Weiya , YONG, Khai Leong , YU, Shengkai , YU, Yin Quan , YUAN, Zhimin , ZHANG, JingLiang , ZHOU, Tiejun , ALEXOPOULOS, Pantelis , SANTOSO, Budi , ZHANG, Qide , SUNDARAVADIVELU, Kannan , LIU, Ningyu , MOU, Jianqiang , LEE, Chong Wee , GAN, Ke , SEE, Boon Long, Ibrahim , GONZAGA, Leonard , LIM, Wee Kiat , LIU, Mengjun , VENKATAKRISHNAN, Venkataramanan , TAN, Cheng Peng
CPC classification number: G11B19/2009 , G11B19/20 , G11B27/324 , G11B2220/235 , G11B2220/2516 , H02K3/26
Abstract: According to an embodiment of the present invention, a data storage device comprising a motor having a stator is disclosed. The stator may include a substrate having a first surface and a second surface opposite to the first surface; and a n-phase winding arrangement having n phase windings; wherein each phase winding comprises m flat fractional-pitch coils arranged on the first surface of the substrate such that the coils are spaced apart uniformly along a closed loop and connected in series; wherein each coil together with an angular section of the substrate between the coil and an adjacent coil of the same phase winding defines a stator pole-pair; and wherein m is an integer larger than 1.
Abstract translation: 根据本发明的实施例，公开了一种包括具有定子的电动机的数据存储装置。 定子可以包括具有第一表面和与第一表面相对的第二表面的基底; 以及具有n相绕组的n相绕组装置; 其中每个相绕组包括布置在基板的第一表面上的m个扁平分数节距线圈，使得线圈沿着闭环均匀间隔并串联连接; 其中每个线圈与所述线圈与相同相绕组的相邻线圈之间的所述衬底的角部分一起限定了定子极对; 并且其中m是大于1的整数。
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公开(公告)号：WO2017151058A1
公开(公告)日：2017-09-08
申请号：PCT/SG2017/050091
申请日：2017-02-28
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： ONG, Chun Lian , YUAN, Zhimin , ANG, Shiming
CPC classification number: G11B5/3932 , G11B5/1278 , G11B5/3146 , G11B5/3909 , G11B5/3948 , G11B2005/3996
Abstract: A reader structure, a method of biasing a free layer of a reader structure, and a read head are provided, the reader structure comprises a free layer having a reader edge for interacting with and being proximal to a magnetic media; a first magnetic bias member and a second magnetic bias member each provided adjacent to the free layer, the first and second magnetic bias members being configured to have a first magnetisation direction which is substantially parallel to the reader edge; an additional bias member disposed adjacent to the free layer, the additional bias member further being located proximal to at least one of the first magnetic bias member and the second magnetic bias member, and the additional bias member being configured to have a magnetisation direction that is substantially orthogonal to the first magnetisation direction.
Abstract translation: 提供读取器结构，偏置读取器结构的自由层的方法以及读取头，所述读取器结构包括具有读取器边缘的自由层，所述读取器边缘用于与读取器结构的自由层相互作用并接近 磁性媒体; 第一磁性偏压构件和第二磁性偏压构件，每个设置成与所述自由层相邻，所述第一和第二磁性偏压构件配置为具有基本平行于所述读取器边缘的第一磁化方向; 附加的偏置构件，所述附加的偏置构件设置为与所述自由层相邻，所述附加的偏置构件还位于所述第一磁性偏置构件和所述第二磁性偏置构件中的至少一个的附近，并且所述另外的偏置构件被配置为具有磁化方向， 基本上正交于第一磁化方向。
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Patent Agency Ranking
公开(公告)号：WO2010110753A8
公开(公告)日：2010-09-30
申请号：PCT/SG2010/000119
申请日：2010-03-26
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH , LEONG, Siang Huei , SANTOSO, Budi , ONG, Chun Lian , LIM, Joo Boon Marcus Travis , YUAN, Zhimin , YE, Kaidong
Inventor： LEONG, Siang Huei , SANTOSO, Budi , ONG, Chun Lian , LIM, Joo Boon Marcus Travis , YUAN, Zhimin , YE, Kaidong
Abstract: A magnetic media tester comprising a Laser Doppler Vibrometer (LDV) head; and a magnetic read head; the LDV head and the magnetic read head being configured for obtaining correlatable data of a region on a magnetic disk.
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公开(公告)号：WO2020005160A1
公开(公告)日：2020-01-02
申请号：PCT/SG2019/050318
申请日：2019-06-26
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： ONG, Chun Lian , YUAN, Zhimin , WANG, Hongtao , SANTOSO, Budi
Abstract: Disclosed is a magnetic encoder for determining a position of a first object relative to a second object. The encoder comprises a first magnetic member, a second magnetic member and a sensor member. The sensor member comprises 5 a first sensor for measuring a change in magnetic field of the first magnetic member for deducing an unsigned absolute position of the first object relative to the second object, and a second sensor for measuring a change in magnetic field of the second magnetic member for deducing a sign for the unsigned absolute position. The first magnetic member and first sensor are coupled to 10 respectively different ones of the first object and second object, and the second magnetic member and second sensor are coupled to respectively different ones of the first object and second object.
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6.发明申请
公开(公告)号：WO2013122550A1
公开(公告)日：2013-08-22
申请号：PCT/SG2013/000065
申请日：2013-02-18
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： WONG, Chiew Leong , ALEXOPOULOS, Pantelis , YUAN, Zhimin , ONG, Chun Lian
CPC classification number: G11B5/012 , G11B5/59638 , G11B5/5965 , G11B5/59655 , G11B5/66 , G11B5/82
Abstract: In various embodiments, a method of writing servo information to a recording medium may be provided. The method include forming a first servo pattern (including a servo burst pattern) on a segment of a first track of a first layer of the recording medium, the first track having a track width. The method may further include forming a second servo pattern (including addressing information) on a segment of a second track of a second layer of the recording medium. The second track is arranged from the first track by half the track width.
Abstract translation: 在各种实施例中，可以提供将伺服信息写入记录介质的方法。 该方法包括在记录介质的第一层的第一轨道的段上形成第一伺服模式（包括伺服脉冲串图形），第一轨道具有磁道宽度。 该方法还可以包括在记录介质的第二层的第二轨道的段上形成第二伺服模式（包括寻址信息）。 第二轨道从第一轨道排列一半轨道宽度。
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公开(公告)号：WO2015041600A1
公开(公告)日：2015-03-26
申请号：PCT/SG2014/000436
申请日：2014-09-16
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： SHI, Jianzhong , HU, Jiang Feng , NG, Lionel Hanxiang , ONG, Chun Lian
IPC: G11B5/66
CPC classification number: G11B5/66 , G11B5/65 , G11B5/8404
Abstract: In various embodiments, a magnetic medium may be provided. The magnetic medium may include a substrate. The substrate may include a servo layer over the substrate. The servo layer may include a cap layer having a first coercivity. The servo layer may also include a granular layer having a second coercivity greater than the first coercivity. The servo layer may also include an intervening layer between the cap layer and the granular layer.
Abstract translation: 在各种实施例中，可以提供磁介质。 磁介质可以包括基底。 衬底可以包括在衬底上的伺服层。 伺服层可以包括具有第一矫顽力的盖层。 伺服层还可以包括具有大于第一矫顽力的第二矫顽力的粒状层。 伺服层还可以包括盖层和颗粒层之间的中间层。
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8.发明申请A RECORDING MEDIUM, A DATA STORAGE APPARATUS AND A METHOD OF PREPARING A RECORDING MEDIUM 审中-公开记录介质，数据存储装置和记录介质的准备方法
公开(公告)号：WO2014017984A1
公开(公告)日：2014-01-30
申请号：PCT/SG2013/000309
申请日：2013-07-25
Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
Inventor： ONG, Chun Lian , YUAN, Zhimin , ANG, Shiming , SANTOSO, Budi , ZHANG, Jingliang , LEONG, Siang Huei
CPC classification number: G11B5/59633 , G11B5/596 , G11B5/59638 , G11B5/59688 , G11B5/82 , G11B2005/0002
Abstract: In the present disclosure, a recording medium and a method of preparing a recording medium is provided. In a recording medium, a first annular servo track can be provided on a first layer of the recording medium, and second annular servo track can be provided on the first layer of the recording medium. The second annular servo track can be adjacent to the first annular servo track. In the recording medium, the first annular servo track and the second annular servo track are magnetically polarized and are magnetically opposing in polarity. A corresponding method of preparing a recording medium is provided.
Abstract translation: 在本公开中，提供了记录介质和制备记录介质的方法。 在记录介质中，可以在记录介质的第一层上提供第一环形伺服磁道，并且可以在记录介质的第一层上提供第二环形伺服磁道。 第二环形伺服轨道可以与第一环形伺服轨道相邻。 在记录介质中，第一环形伺服轨道和第二环形伺服轨道是磁极化的并且在极性上是磁性相对的。 提供了制备记录介质的相应方法。
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