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公开(公告)号：EP1498878A3
公开(公告)日：2006-06-28
申请号：EP04010381.4
申请日：2004-04-30
IPC分类号： G11B5/60
CPC分类号： G11B5/187 , G11B5/012 , G11B5/02 , G11B5/10 , G11B5/105 , G11B5/6005 , G11B2005/0002 , G11B2005/0005 , G11B2005/0021
摘要： A hard disk drive slider (129) has an air bearing surface that uses the ambient air in the disk drive as a heat source for thermal-assisted recording. Incoming air between the slider (129) and the disk surface is pressurized to produce heat sufficient to heat the recording media. A very small thermal pad is located at the trailing end (203) of the air bearing surface and wraps around the magnetic recording head. The thermal pad includes small pockets to contain the heated air to provide heat to the recording media. The air can be pressurized to approximately 80 atm, which is sufficient to raise the air temperature to approximately 800 degrees C at isentropic conditions. The heated air transfers the heat energy to the recording media by conduction to achieve a disk surface temperature of more than 200 degrees C. This is the recording layer temperature required for thermomagnetic recording.
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公开(公告)号：EP1653451A1
公开(公告)日：2006-05-03
申请号：EP05107114.0
申请日：2005-08-02
IPC分类号： G11B5/64
CPC分类号： G11B5/65
摘要： To ensure that a perpendicular magnetic recording medium having a granular magnetic recording layer made of CoCrPt alloy and Si oxide provides both high SNR and thermal stability. A substantially amorphous grain boundary layer of a magnetic recording layer made of CoCrPt alloy and Si oxide contains a ferromagnetic element in a concentration from 30at.% to 50at.% or more preferably from 35at.% to 47at.% so that intergrain exchange interaction takes place moderately. As a consequence, SNR of 18 dB or more and thermal stability of 3%/decade or less are achieved.
摘要翻译： 为了确保具有由CoCrPt合金和Si氧化物制成的粒状磁记录层的垂直磁记录介质提供高SNR和热稳定性。 由CoCrPt合金和Si氧化物制成的磁记录层的基本非晶界面层含有浓度为30at％至50at。％或更优选为35at。至47at。％的铁磁性元素，因此晶间相互作用需要 适度放置 因此，实现了18dB以上的SNR和3％/ 10以下的热稳定性。
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93.发明公开Method for reactive sputter deposition of a magnesium oxide film on an iron-containing film 有权Reaktive Zerstaubungsablagerungsverfahren eines Magnesiumoxidsfilms auf einem Eisen-enthaltenden Film
公开(公告)号：EP1640472A2
公开(公告)日：2006-03-29
申请号：EP05104632.4
申请日：2005-05-30
发明人： Mauri, Daniele
CPC分类号： C23C14/025 , B82Y25/00 , B82Y40/00 , C23C14/0036 , C23C14/081 , C23C14/34 , G11B5/3903 , G11C11/16 , H01F10/3254 , H01F10/3295 , H01F41/18 , H01F41/307 , H01F41/32 , H01L43/12
摘要： As part of the fabrication of a magnetic tunnel junction (MTJ), a magnesium oxide (MgO) tunnel barrier is reactively sputter deposited from a Mg target in the presence of reactive oxygen gas (O 2 ) in the "high-voltage" state to assure that deposition occurs with the Mg target in its metallic mode, i.e., no or minimal oxidation. Because the metallic mode of the Mg target has a finite lifetime, a set of O 2 flow rates and associated sputter deposition times are established, with each flow rate and deposition time assuring that deposition occurs with the Mg target in the metallic mode and resulting in a known tunnel barrier thickness. The commencement of undesirable Mg target oxidation is associated with a decrease in target voltage, so the sputtering can also be terminated by monitoring the target voltage and terminating application of power to the target when the voltage reaches a predetermined value.
摘要翻译： 作为制造磁性隧道结（MTJ）的一部分，在“高电压”状态的活性氧气（O 2）存在下，将Mg氧化物（MgO）隧道势垒从Mg靶反应溅射沉积到 确保Mg靶以其金属模式发生沉积，即没有或最小的氧化。 由于Mg靶的金属模式具有有限的寿命，所以建立了一组O 2流速和相关的溅射沉积时间，每个流速和沉积时间都确保了Mg靶在金属模式下的沉积，并导致 已知的隧道屏障厚度。 不期望的Mg靶氧化的开始与目标电压的降低相关联，因此当电压达到预定值时，还可以通过监测目标电压并终止对目标的电力施加来终止溅射。
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公开(公告)号：EP1538604A3
公开(公告)日：2006-02-01
申请号：EP04021485.0
申请日：2004-09-09
摘要： A method for magnetic recording uses a fixed write current with thermal assistance to record on a patterned perpendicular magnetic recording medium. The patterned medium has magnetic blocks or islands, each of which contains a stack of individual magnetic cells to provide multilevel recording. Each cell in an island is formed of a material or set of materials to provide the cell with perpendicular magnetic anisotropy and is a single magnetic domain. Each cell is magnetically decoupled from the other cells in its island by nonmagnetic spacer layers. Thus each cell can have a magnetization (magnetic moment) in one of two directions (into or out of the plane of the layer making up the cell), and this magnetization is independent of the magnetization of the other cells in its island. This permits multiple magnetic levels or states to be recorded in each magnetic island.
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95.发明公开Disk drive, control method thereof and disk-falsification detection method 审中-公开用于控制驱动器和用于检测损坏的磁盘驱动器的方法
公开(公告)号：EP1603041A2
公开(公告)日：2005-12-07
申请号：EP05104487.3
申请日：2005-05-25
发明人： Uemura, Tetsuya
IPC分类号： G06F11/16
CPC分类号： G06F21/64 , G06F21/80 , G06F2221/2129 , G11B20/00086 , G11B20/1816
摘要： A falsification detection method is provided which is capable of recognizing the substance of a falsification, applicable to not only a specific file system, but also any arbitrary application writing data with a logical structure, usable in a standalone environment and able to prevent its performance from deteriorating even for a very large data size. Data stored in the storage medium employed in a disk drive is divided into meta information expressing a data structure and contents. At a step 130, time transients of the meta information are analyzed whereas, at steps 140 and 150, time transients of the contents are analyzed. By analyzing the data at two stages in this way, replacement of a file and replacement of contents of the file can be detected whereas the substance of a falsification can be recognized in the case of a file system. In addition, by providing every block in the storage medium employed in the disk drive with a flag area that can be updated by the disk drive but only referred to by a host, a falsification can be detected even if the falsification results from a write operation carried out by using an illegal access path.
摘要翻译： 本发明提供一种篡改检测方法的所有其能够认识到篡改的实质的，适用于不仅是特定的文件系统，所以但具有逻辑结构的任意应用程序的数据写入，可使用的在独立环境中，并且能够防止其性能从 即使是一个非常大的数据量日益恶化。 存储在磁盘驱动器中使用的存储介质中的数据被分成表达数据的结构和内容的元信息。 在步骤130中，元信息时间瞬变鉴于分析，在步骤140和150，内容的时间瞬态分析。 通过以这种方式分析在两个阶段中的数据，置换一个文件和替换的文件的内容的可而伪造的物质可以在文件系统的情况下被识别来检测。此外，通过在提供每块 在具有标志区的磁盘驱动器中使用的存储介质也可以由磁盘驱动器由主机进行更新，而是仅由以称为，篡改可以被检测到，即使从操作的写入伪造结果通过使用非法访问路径开展
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公开(公告)号：EP1492124A3
公开(公告)日：2005-10-26
申请号：EP04010382.2
申请日：2004-04-30
发明人： Stipe, Barry Cushing
CPC分类号： H01L27/11507 , G11C7/18 , G11C11/22 , G11C11/5678 , G11C13/0004 , G11C2213/31 , G11C2213/71 , G11C2213/82 , H01L27/11502 , H01L27/24
摘要： A ferroelectric three-dimensional solid-state memory is formed from a plurality of bit lines, a plurality of layers, a plurality of tree structures and a plurality of plate lines. The bit lines are arranged in a first plane and extend in a first direction. Each layer includes an array of ferroelectric capacitor memory cells. Each tree structure corresponds to a bit line and has a trunk portion and a plurality of branch portions. The trunk portion of each tree structure extends from a corresponding bit line. Each branch portion corresponds to a layer and extends from the trunk portion of the tree structure. Plate lines is arranged in each layer and overlap the branch portion of each tree structure in the corresponding layer at a plurality of intersection regions. A 0T-FeRAM memory cell is located at each intersection region in a layer.
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97.发明公开Data storage device, control method thereof and magnetic disk storage device 审中-公开Datenspeichergerät，dessen Steuerverfahren undMagnetplattenspeichergerät
公开(公告)号：EP1580665A2
公开(公告)日：2005-09-28
申请号：EP05003925.4
申请日：2005-02-23
发明人： Yamada, Shuhji
IPC分类号： G06F12/08
CPC分类号： G06F12/0866 , G06F3/061 , G06F3/0643 , G06F3/0656 , G06F3/0676 , G06F2212/312
摘要： To improve the performance of a HDD. MBR is read from a magnetic disk 121. The read MBR is stored in a sector buffer 307 by an event handler 304. A segment control section 302 acquires the MBR stored in the sector buffer 307 and refers to the partition type field to identify the file system. The segment control section refers to a cache mode table 305 and selects a cache mode which is associated with the file system specified in the MBR. In the subsequent read and write operations, buffer handling and command execution control are performed according to the determined cache mode. Since an appropriate cache mode is selected depending on the file system, it is possible to raise the performance.
摘要翻译： 提高硬盘的性能。 MBR从磁盘121读取。读取的MBR由事件处理器304存储在扇区缓冲器307中。段控制部分302获取存储在扇区缓冲器307中的MBR，并且参考分区类型字段以识别文件 系统。 段控制部分参考高速缓存模式表305，并且选择与MBR中指定的文件系统相关联的高速缓存模式。 在随后的读写操作中，根据确定的高速缓存模式执行缓冲器处理和命令执行控制。 由于根据文件系统选择适当的缓存模式，因此可以提高性能。
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公开(公告)号：EP1521261A3
公开(公告)日：2005-09-21
申请号：EP04020065.1
申请日：2004-08-24
CPC分类号： G11B27/11 , G11B5/012 , G11B20/1217 , G11B2020/1238 , G11B2020/1298 , G11B2220/2516 , G11B2220/65
摘要： Data is written to a hard disk drive using shingled writing principles, i.e., each data track is partially overwritten when an immediately contiguous data track is written. Two or more contiguous data tracks establish a band, and a band may store data from one and only one file, such as an AV file.
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公开(公告)号：EP1522991A1
公开(公告)日：2005-04-13
申请号：EP04019190.0
申请日：2004-08-12
发明人： Hsu, Yimin , Le, Quang , Nix, James Lamar , Williams, Mason Lamar
IPC分类号： G11B5/127
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/1278 , G11B5/315 , G11B2005/0029
摘要： An embodiment of the invention is a head for perpendicular recording that has a trailing shield and side shields that are connected to the return pole piece by two studs of ferromagnetic material. The studs extend parallel to the track direction and are located a sufficient distance away from the main pole piece to reduce the flux flow from the main pole piece to the studs. Optionally the studs can be recessed behind the air-bearing surface. The preferred embodiment of the invention is a magnetic transducer with separated read and write heads for perpendicular recording.
摘要翻译： 本发明的一个实施例是一种用于垂直记录的头部，其具有尾部屏蔽和侧面屏蔽，所述尾部屏蔽和侧部屏蔽通过两个铁磁材料柱连接到返回极片。 所述螺柱平行于轨道方向延伸，并且与所述主极片隔开足够的距离以减少从所述主极片到所述螺柱的通量流。 可选地，螺柱可以凹入空气轴承表面之后。 本发明的优选实施例是具有用于垂直记录的分开的读写头的磁换能器。
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100.发明公开Slider for thermally assisted recording by pressurized air 有权G ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft ft
公开(公告)号：EP1498878A2
公开(公告)日：2005-01-19
申请号：EP04010381.4
申请日：2004-04-30
IPC分类号： G11B5/60
CPC分类号： G11B5/187 , G11B5/012 , G11B5/02 , G11B5/10 , G11B5/105 , G11B5/6005 , G11B2005/0002 , G11B2005/0005 , G11B2005/0021
摘要： A hard disk drive slider (129) has an air bearing surface that uses the ambient air in the disk drive as a heat source for thermal-assisted recording. Incoming air between the slider (129) and the disk surface is pressurized to produce heat sufficient to heat the recording media. A very small thermal pad is located at the trailing end (203) of the air bearing surface and wraps around the magnetic recording head. The thermal pad includes small pockets to contain the heated air to provide heat to the recording media. The air can be pressurized to approximately 80 atm, which is sufficient to raise the air temperature to approximately 800 degrees C at isentropic conditions. The heated air transfers the heat energy to the recording media by conduction to achieve a disk surface temperature of more than 200 degrees C. This is the recording layer temperature required for thermomagnetic recording.
摘要翻译： 硬盘驱动器滑块（129）具有使用盘驱动器中的环境空气作为热辅助记录的热源的空气轴承表面。 滑块（129）和盘表面之间的进入空气被加压以产生足以加热记录介质的热量。 一个非常小的散热垫位于空气轴承表面的后端（203），并且包绕在磁记录头周围。 散热垫包括小口袋以容纳加热的空气以向记录介质提供热量。 空气可以被加压到大约80atm，这足以在等熵条件下将空气温度升高到大约800℃。 加热的空气通过传导将热能传递到记录介质，以实现大于200摄氏度的盘表面温度。这是热磁记录所需的记录层温度。
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