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51. 发明授权

US08793431B2 Shingled magnetic recording disk drive with inter-band disk cache and minimization of the effect of far track erasure on adjacent data bands 有权
标题翻译：带磁带磁记录磁盘驱动器，具有带间磁盘缓存，并将对远程磁道擦除对相邻数据带的影响降至最低
公开(公告)号：US08793431B2
公开(公告)日：2014-07-29
申请号：US13423178
申请日：2012-03-17
申请人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Robert Eugeniu Mateescu , Shad Henry Thorstenson , Timothy Kohchih Tsai
发明人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Robert Eugeniu Mateescu , Shad Henry Thorstenson , Timothy Kohchih Tsai
IPC分类号： G06F12/00
CPC分类号： G11B20/10527 , G06F12/0866 , G06F2212/313 , G11B5/012 , G11B20/10388 , G11B20/1879
摘要： A shingled magnetic recording hard disk drive that uses writeable cache tracks in the inter-band gaps between the annular data bands minimizes the effect of far track erasure (FTE) in the boundary regions of annular data bands caused by writing to the cache tracks. Based on the relative FTE effect for all the tracks in a range of tracks of the cache track being written, a count increment (CI) table or a cumulative count increment (CCI) table is maintained. For every writing to a cache track, a count for each track in an adjacent boundary region, or a cumulative count for each adjacent boundary region, is increased. When the count value for a track, or the cumulative count for a boundary region, reaches a predetermined threshold the data is read from that band and rewritten to the same band.
摘要翻译：在环形数据带之间的带间间隙中使用可写入高速缓存轨迹的带状磁记录硬盘驱动器将通过写入高速缓存轨道引起的环形数据带的边界区域中的远轨擦除（FTE）的影响最小化。基于正在写入的高速缓存磁道的磁道范围内的所有磁道的相对FTE效应，保持计数增量（CI）表或累积计数增量（CCI）表。对于对高速缓存轨道的每次写入，相邻边界区域中的每个轨道的计数或每个相邻边界区域的累积计数增加。当轨道的计数值或边界区域的累积计数达到预定阈值时，从该频带读取数据并重写到相同的频带。

52. 发明申请

US20130321948A1 SHINGLED MAGNETIC RECORDING DISK DRIVE WITH COMPENSATION FOR THE EFFECT OF FAR TRACK ERASURE (FTE) ON ADJACENT DATA BANDS 有权
标题翻译：振动磁记录盘驱动器，用于补偿灰尘跟踪（FTE）对相邻数据库的影响
公开(公告)号：US20130321948A1
公开(公告)日：2013-12-05
申请号：US13487310
申请日：2012-06-04
申请人： Zvonimir Z. Bandic , Damien Cyril Daniel Le Moal , Shad Henry Thorstenson
发明人： Zvonimir Z. Bandic , Damien Cyril Daniel Le Moal , Shad Henry Thorstenson
IPC分类号： G11B21/02
CPC分类号： G11B5/09 , G11B19/045
摘要： A shingled magnetic recording (SMR) disk drive has concentric shingled data tracks having data sectors with physical block addresses (PBAs), with the tracks being arranged in annular bands separated by annular inter-band gaps. The disk drive also has an on-disk extended cache region and may have writable inter-band cache (IBC) tracks in the inter-band gaps. A count is maintained in memory for each band and each IBC, and the count is incremented for each writing to a band or an IBC. When a count for a band or IBC reaches a predetermined threshold, the data is read from the tracks in the boundary region of the adjacent band that are within the range of the FTE and that data is then written to the extended cache. The FTE-affected tracks are then invalidated, meaning that PBAs can no longer be assigned to the data sectors in those tracks.
摘要翻译：具有带状磁记录（SMR）磁盘驱动器具有带有具有物理块地址（PBA）的数据扇区的同心带状数据轨道，轨道被布置在环形带间隔开的环形带中。磁盘驱动器还具有磁盘扩展高速缓存区域，并且可能在带间隙中具有可写入的带间高速缓存（IBC）轨迹。对于每个频带和每个IBC，在存储器中保持计数，并且对于每个写入频带或IBC，计数递增。当频带或IBC的计数达到预定阈值时，从在FTE范围内的相邻频带的边界区域中的轨道读取数据，然后将数据写入扩展高速缓存。然后，受FTE影响的轨道无效，这意味着PBA不能再分配给这些轨道中的数据扇区。

53. 发明申请

US20130242426A1 SHINGLED MAGNETIC RECORDING DISK DRIVE WITH MINIMIZATION OF THE EFFECT OF FAR TRACK ERASURE ON ADJACENT DATA BANDS 有权
标题翻译：最小化跟踪擦除对相邻数据库的影响的摇摆磁记录盘驱动器
公开(公告)号：US20130242426A1
公开(公告)日：2013-09-19
申请号：US13423177
申请日：2012-03-17
申请人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Robert Eugeniu Mateescu , Shad Henry Thorstenson , Timothy Kohchih Tsai
发明人： Zvonimir Z. Bandic , Cyril Guyot , Tomohiro Harayama , Robert Eugeniu Mateescu , Shad Henry Thorstenson , Timothy Kohchih Tsai
IPC分类号： G11B27/36
CPC分类号： G11B27/36 , G11B5/012 , G11B20/1258 , G11B20/1816 , G11B2020/10898 , G11B2020/1298
摘要： A shingled magnetic recording (SMR) hard disk drive (HDD) essentially eliminates the effect of far track erasure (FTE) in the boundary regions of annular data bands caused by writing in the boundary regions of adjacent annular data bands. The extent of the FTE effect is determined for each track within a range of tracks of the track being written. Based on the relative FTE effect for all the tracks in the range, a count increment (CI) table or a cumulative count increment (CCI) table is maintained for all the tracks in the range. For every writing to a track in a boundary region, a count for each track in an adjacent boundary region, or a cumulative count for the adjacent boundary region, is increased. When the count reaches a predetermined threshold the data is read from that band and rewritten to the same band.
摘要翻译：磁带录音（SMR）硬盘驱动器（HDD）基本上消除了在相邻环形数据频带的边界区域中写入引起的环形数据频带的边界区域中的远跟踪擦除（FTE）的影响。对正在写入的轨道的轨道范围内的每个轨道确定FTE效果的程度。基于该范围内所有轨道的相对FTE效应，对该范围内的所有轨道维持计数增量（CI）表或累积计数增量（CCI）表。对于对边界区域中的轨迹的每次写入，相邻边界区域中的每个轨道的计数或相邻边界区域的累积计数增加。当计数达到预定阈值时，从该频带读取数据并重写到相同的频带。

54. 发明授权

US08531793B2 Disk drive with variable incremented counting of writes to the data tracks for minimizing the effect of far track erasure 有权
标题翻译：磁盘驱动器具有对数据磁道写入的可变递增计数，以最小化远磁道擦除的影响
公开(公告)号：US08531793B2
公开(公告)日：2013-09-10
申请号：US12839391
申请日：2010-07-19
申请人： Zvonimir Z. Bandic , Marco Sanvido , Bruce Alexander Wilson
发明人： Zvonimir Z. Bandic , Marco Sanvido , Bruce Alexander Wilson
IPC分类号： G11B20/18
CPC分类号： G11B5/09 , G11B20/1816 , G11B2220/2516
摘要： A hard disk drive (HDD) minimizes the effects of far track erasure (FTE) by counting the number of writes to the data tracks and incrementing counters based on the known effect of FTE on each track. The extent of the FTE effect is determined for each track within a range of tracks of the track being written, and based on the relative FTE effect for all the tracks in the range a count increment (CI) is determined for each track within the range. A counter is maintained for each track. For every writing to a track, a count for each track within a range of the track being written is increased by the CI value associated with the track number within the range. When the count value for a track reaches a predetermined threshold the data is read from that track and rewritten, preferably to the same track.
摘要翻译：硬盘驱动器（HDD）通过根据每个轨道上已知的FTE效应计数对数据磁道的写入次数和递增计数器，从而最大限度地减少了远跟踪擦除（FTE）的影响。针对正在写入的磁道的磁道的范围内的每个磁道确定FTE效应的范围，并且基于对该范围内的所有磁道的相对FTE效应，对该范围内的每个磁道确定计数增量（CI）。为每个轨道维护计数器。对于对轨道的每次写入，在被写入的轨道的范围内的每个轨道的计数增加与该范围内的轨道号相关联的CI值。当轨道的计数值达到预定阈值时，从该磁道读取数据并将其重写，优选地改写为相同的轨道。

55. 发明申请

US20130194864A1 IMPLEMENTING ENHANCED DATA WRITE FOR MULTI-LEVEL CELL (MLC) MEMORY USING THRESHOLD VOLTAGE-DRIFT OR RESISTANCE DRIFT TOLERANT MOVING BASELINE MEMORY DATA ENCODING 有权
标题翻译：使用阈值电压缓冲或电阻干扰来实现多电平（MLC）存储器的增强数据写入容错移动基线存储器数据编码
公开(公告)号：US20130194864A1
公开(公告)日：2013-08-01
申请号：US13361905
申请日：2012-01-30
申请人： Zvonimir Z. Bandic , Luiz M. Franca-Neto , Cyril Guyot , Robert Eugeniu Mateescu
发明人： Zvonimir Z. Bandic , Luiz M. Franca-Neto , Cyril Guyot , Robert Eugeniu Mateescu
IPC分类号： G11C16/10
CPC分类号： G11C16/0483 , G11C11/5628 , G11C11/5678 , G11C13/0035 , G11C13/0069 , G11C16/3418 , G11C16/349 , G11C17/146 , G11C2013/0076
摘要： A method and apparatus are provided for implementing enhanced performance for multi-level cell (MLC) memory using threshold-voltage-drift or resistance-drift tolerant moving baseline memory data encoding. A voltage baseline of a prior write is identified, and a data write uses the threshold-voltage-drift or resistance-drift tolerant moving baseline memory data encoding for data being written to the MLC memory responsive to the identified voltage baseline.
摘要翻译：提供了一种使用阈值电压漂移或电阻漂移容许移动基线存储器数据编码来实现多电平单元（MLC）存储器的增强性能的方法和装置。识别先前写入的电压基线，并且数据写入使用阈值电压漂移或电阻漂移容许移动基线存储器数据编码，以响应于所识别的电压基线而写入到MLC存储器中的数据。

56. 发明授权

US08112580B2 Disk drive having multiple disk surfaces accessible by a read/write head and nonvolatile memory for continuous data transfer 有权
标题翻译：具有多个磁盘表面的磁盘驱动器可由读/写头和非易失性存储器访问，用于连续数据传输
公开(公告)号：US08112580B2
公开(公告)日：2012-02-07
申请号：US12356070
申请日：2009-01-19
申请人： Zvonimir Z. Bandic , Marco Sanvido
发明人： Zvonimir Z. Bandic , Marco Sanvido
IPC分类号： G06F13/00 , G06F13/28 , G06F3/00 , G11B21/02
CPC分类号： G11B19/044 , G11B5/5521 , G11B20/10527 , G11B2020/10759 , G11B2220/235 , G11B2220/2516
摘要： A magnetic recording hard disk drive (HDD) has at least one read/write head that accesses more than one disk surface. The HDD is able to transfer data to and from the host computer seamlessly without interruption during the time the head is being moved from one disk surface to another disk surface. Nonvolatile solid state memory is associated with pairs of disk surfaces. During the time of a head transfer from one disk surface in the pair to the other disk surface, data is read from or written to the associated nonvolatile memory. The data is first read from or written to one disk surface, then from or to the nonvolatile memory, and then, after completion of the head transfer, from or to the other disk surface, thereby allowing seamless uninterrupted transfer of data.
摘要翻译：磁记录硬盘驱动器（HDD）具有访问多于一个盘表面的至少一个读/写头。在头部从一个盘表面移动到另一个盘表面时，HDD能够无缝地将数据传送到主计算机和从主计算机传送数据。非易失性固态存储器与一对磁盘表面相关联。在磁头从一个磁盘表面传输到另一个磁盘表面的时间期间，数据从相关联的非易失性存储器读取或写入相关联的非易失性存储器。数据首先从一个磁盘表面读取或写入，然后从或从非易失性存储器读取，然后在头部传送完成之后从另一个磁盘表面读取或写入，从而允许无缝地不间断地传输数据。

57. 发明授权

US07986484B2 Method and system for fabricating a data storage medium 有权
标题翻译：用于制造数据存储介质的方法和系统
公开(公告)号：US07986484B2
公开(公告)日：2011-07-26
申请号：US11998715
申请日：2007-11-30
申请人： Zvonimir Z. Bandic , Michael A. Moser
发明人： Zvonimir Z. Bandic , Michael A. Moser
IPC分类号： G11B21/02 , G08B13/14
CPC分类号： H01J37/3174 , B82Y10/00 , B82Y40/00 , G11B5/8404 , G11B7/261 , H01J2237/30438
摘要： Embodiments of the present invention recite a method and system for fabricating a data storage medium. In one embodiment, a detectable pattern is created at the surface of a substrate. An electron beam lithography process is then initiated upon the substrate. The detectable pattern is used to control the positioning of an electron beam relative to the surface of the substrate during the electron beam lithography process.
摘要翻译：本发明的实施例背诵用于制造数据存储介质的方法和系统。在一个实施例中，在衬底的表面上产生可检测图案。然后在衬底上引发电子束光刻工艺。可检测图案用于在电子束光刻工艺期间控制电子束相对于衬底表面的定位。

58. 发明申请

US20110154060A1 IMPLEMENTING SECURE ERASE FOR SOLID STATE DRIVES 有权
标题翻译：实施固态驱动器的安全擦除
公开(公告)号：US20110154060A1
公开(公告)日：2011-06-23
申请号：US12640730
申请日：2009-12-17
申请人： Cyril Guyot , Zvonimir Z. Bandic , Yuval Cassuto , Adam Michael Espeseth , Marco Sanvido
发明人： Cyril Guyot , Zvonimir Z. Bandic , Yuval Cassuto , Adam Michael Espeseth , Marco Sanvido
IPC分类号： G06F12/14 , G06F21/24
CPC分类号： G06F12/1425 , G06F12/0246 , G06F21/79 , G06F2221/2131 , G06F2221/2143 , G11C16/16 , G11C16/22 , H04L9/0894
摘要： A method and apparatus are provided for implementing secure erase for solid state drives (SSDs). An encryption key is used to encrypt data being written to SSD. A controller identifies a key storage option, and responsive to the identified key storage option, stores a key for data encryption and decryption. The controller deletes the key within the SSD responsive to the identified key storage option, ensuring that once the key is deleted, the key is not recoverable and data is effectively erased.
摘要翻译：提供了一种用于实现固态驱动器（SSD）的安全擦除的方法和装置。加密密钥用于加密写入SSD的数据。控制器识别密钥存储选项，并且响应于所识别的密钥存储选项，存储用于数据加密和解密的密钥。控制器响应于识别的密钥存储选项删除SSD内的密钥，确保一旦密钥被删除，密钥不可恢复，数据被有效地擦除。

59. 发明授权

US07911728B2 Method for servowriting a patterned-media perpendicular magnetic recording disk using position error signal (PES) alignment fields 有权
标题翻译：使用位置误差信号（PES）对准场伺服驱动图案化介质垂直磁记录盘的方法
公开(公告)号：US07911728B2
公开(公告)日：2011-03-22
申请号：US12324431
申请日：2008-11-26
申请人： Thomas R. Albrecht , Zvonimir Z. Bandic
发明人： Thomas R. Albrecht , Zvonimir Z. Bandic
IPC分类号： G11B21/02 , G11B5/09
CPC分类号： G11B5/5965 , G11B2020/1281 , G11B2220/2516
摘要： A servowriting method for a patterned-media magnetic recording disk uses a special position error signal (PES) alignment pattern located in each servo sector. A gross feedforward correction signal to compensate for gross eccentricity of the disk relative to the center of rotation of the servowriter spindle is applied to the actuator. With the gross feedforward correction applied to the actuator the read head generally follows a data track centerline and will detect signals from PES alignment fields as each servo sector passes the read head. This results in a readback signal at each servo sector that represents the fractional track-width radial offset of the read head in that servo sector from a data track centerline. The set of radial offsets for all of the servo sectors is used to modify or fine tune the gross feedforward correction signal that is applied during the servowrite process. This enables the servowriter write head to then precisely follow a track centerline so that the discrete islands in the PES fields can be magnetized according to the desired pattern.
摘要翻译：用于图案化介质磁记录盘的伺服驱动方法使用位于每个伺服扇区中的特殊位置误差信号（PES）对准图案。用于补偿盘相对于伺服驱动器主轴的旋转中心的总偏心率的总前馈校正信号被施加到致动器。通过对致动器进行总前馈校正，读取头通常遵循数据轨道中心线，并且将在每个伺服扇区通过读取头时检测来自PES对准场的信号。这导致在每个伺服扇区处的回读信号，其表示来自数据轨道中心线的该伺服扇区中的读头的分数轨迹宽度径向偏移。用于所有伺服扇区的一组径向偏移用于修改或微调在伺服写入过程中应用的总前馈校正信号。这使得伺服驱动器写头然后精确地跟随轨道中心线，使得PES场中的离散岛可以根据期望的图案被磁化。

60. 发明申请

US20110026155A1 PATTERNED-MEDIA MAGNETIC RECORDING DISK WITH CRYPTOGRAPHICALLY SCRAMBLED PATTERNS AND DISK DRIVE OPERABLE WITH THE DISK 有权
标题翻译：图形磁记录磁盘，带有圆盘形图案和磁盘驱动器
公开(公告)号：US20110026155A1
公开(公告)日：2011-02-03
申请号：US12905067
申请日：2010-10-14
申请人： Zvonimir Z. Bandic , Jorge Campello de Souza , Cyril Guyot , Bruce Alexander Wilson
发明人： Zvonimir Z. Bandic , Jorge Campello de Souza , Cyril Guyot , Bruce Alexander Wilson
IPC分类号： G11B5/09
CPC分类号： G11B5/09 , B82Y10/00 , G11B5/743 , G11B5/82
摘要： Patterned-media magnetic recording disks are made from a master template that has nondata regions that contain a pattern of one or more discrete nondata islands and discrete gaps, with the pattern representing a scrambled number. All disks made from the master template, or from replica molds made from the master, will have the same patterns. When the disks are DC-magnetized so that all the nondata islands are magnetized in the same direction, these patterns will include one or more of discrete magnetized nondata islands and discrete nonmagnetic gaps that are scrambled in a pseudo-random manner. During operation of the disk drive the patterns are detected by the read head and interpreted within the disk drive using knowledge of the pseudo-random scrambling function, so that reading and writing of data can occur in the conventional manner. If the disks are copied in an attempt to replicate the master template, the resulting disks will be inoperable in a disk drive because of the scrambling.
摘要翻译：图案化介质磁记录盘由主模板制成，该主模板具有包含一个或多个离散非数据岛和离散间隙的图案的非数据区域，其中图案表示加扰数字。由主模板制成的所有磁盘或从主模块制作的副本模具将具有相同的模式。当磁盘被直流磁化使得所有的非磁盘岛都以相同的方向被磁化时，这些模式将包括以伪随机方式加扰的离散磁化非磁盘岛和离散非磁性间隙中的一个或多个。在磁盘驱动器的操作期间，通过读取头检测图案并使用伪随机加扰函数的知识在磁盘驱动器内进行解读，从而以常规方式发生数据的读取和写入。如果复制磁盘以复制主模板，则由于加扰，生成的磁盘将无法在磁盘驱动器中运行。

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