公开(公告)号：US07706109B2

公开(公告)日：2010-04-27

申请号：US11582851

申请日：2006-10-17

申请人： Mark Nichols ,  Bill Edward Higgins ,  Michael Mallary ,  Lydia Baril

发明人： Mark Nichols ,  Bill Edward Higgins ,  Michael Mallary ,  Lydia Baril

IPC分类号： G11B5/39 ,  G11B5/40

CPC分类号： G11B5/455 ,  G11B5/6005

摘要： A slider includes a Tunneling Magneto-Resistive (TuMR) read sensor and a shunt resistor connected in parallel. The shunt resistor may be located in a read structure of the slider. The shunt resistor may reduce a total resistance of the read structure and any corresponding impedance mismatch between the read structure, a transmission line, and a preamplifier. The shunt resistor may be made of a material having a near zero thermal coefficient of resistivity (TCR) to test a quality of the TuMR read sensor. The TuMR read sensor may be deemed defective if its TCR deviates from a population average by a specific criterion. The TuMR read sensor may include a MgO tunneling barrier to improve signal strength. The TuMR read sensor may include a free layer that is able to be saturated with a perpendicular background field to calculate a more accurate TCR of the TuMR read sensor.

摘要翻译： 滑块包括并联连接的隧道磁阻（TuMR）读取传感器和分流电阻。 分流电阻器可以位于滑块的读取结构中。 分流电阻器可以减小读结构的总电阻以及读结构，传输线和前置放大器之间的任何相应的阻抗失配。 分流电阻器可以由具有接近零的电阻率热阻（TCR）的材料制成，以测试TuMR读取传感器的质量。 如果TMR读取传感器的TCR偏离了一个特定标准的总体平均值，则可能被认为是有缺陷的。 TuMR读取传感器可以包括用于提高信号强度的MgO隧道势垒。 TuMR读取传感器可以包括能够用垂直背景场饱和的自由层，以计算TuMR读取传感器的更准确的TCR。

公开(公告)号：US20070091512A1

公开(公告)日：2007-04-26

申请号：US11582851

申请日：2006-10-17

申请人： Mark Nichols ,  Bill Higgins ,  Michael Mallary ,  Lydia Baril

发明人： Mark Nichols ,  Bill Higgins ,  Michael Mallary ,  Lydia Baril

IPC分类号： G11B5/33 ,  G11B5/187

CPC分类号： G11B5/455 ,  G11B5/6005

摘要： A slider includes a Tunneling Magneto-Resistive (TuMR) read sensor and a shunt resistor connected in parallel. The shunt resistor may be located in a read structure of the slider. The shunt resistor may reduce a total resistance of the read structure and any corresponding impedance mismatch between the read structure, a transmission line, and a preamplifier. The shunt resistor may be made of a material having a near zero thermal coefficient of resistivity (TCR) to test a quality of the TuMR read sensor. The TuMR read sensor may be deemed defective if its TCR deviates from a population average by a specific criterion. The TuMR read sensor may include a MgO tunneling barrier to improve signal strength. The TuMR read sensor may include a free layer that is able to be saturated with a perpendicular background field to calculate a more accurate TCR of the TuMR read sensor.

摘要翻译： 滑块包括并联连接的隧道磁阻（TuMR）读取传感器和分流电阻。 分流电阻器可以位于滑块的读取结构中。 分流电阻器可以减小读结构的总电阻以及读结构，传输线和前置放大器之间的任何相应的阻抗失配。 分流电阻器可以由具有接近零的电阻率热阻（TCR）的材料制成，以测试TuMR读取传感器的质量。 如果TMR读取传感器的TCR偏离了一个特定标准的总体平均值，则可能被认为是有缺陷的。 TuMR读取传感器可以包括用于提高信号强度的MgO隧道势垒。 TuMR读取传感器可以包括能够用垂直背景场饱和的自由层，以计算TuMR读取传感器的更准确的TCR。

公开(公告)号：US08365393B1

公开(公告)日：2013-02-05

申请号：US12510349

申请日：2009-07-28

申请人： Mourad Benakli ,  Michael Mallary

发明人： Mourad Benakli ,  Michael Mallary

IPC分类号： G11B5/187 ,  C23C14/22

CPC分类号： G11B5/11 ,  G11B5/1278 ,  G11B5/3116 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/4906

摘要： Methods for manufacturing a magnetic head for a disk drive. The methods include the steps of depositing a first non-magnetic spacer layer, depositing a plating seed layer on the first non-magnetic spacer layer and plating at least one side shield and a pole tip layer on the plating seed layer, each of the at least one side shield and the pole tip layer separated by a trench. Then the method includes depositing a first non-magnetic material in the trench using ion-beam assisted deposition and planarizing using a chemical-mechanical polishing step.

摘要翻译： 制造磁盘驱动器的磁头的方法。 所述方法包括以下步骤：沉积第一非磁性间隔层，在第一非磁性间隔层上沉积电镀种子层，并在电镀种子层上镀覆至少一个侧屏蔽和极尖层， 至少一个侧面屏蔽和由沟槽隔开的极尖层。 然后，该方法包括使用离子束辅助沉积和使用化学机械抛光步骤平坦化在沟槽中沉积第一非磁性材料。

公开(公告)号：US08243389B2

公开(公告)日：2012-08-14

申请号：US12967927

申请日：2010-12-14

申请人： Mourad Benakli ,  Michael Mallary

发明人： Mourad Benakli ,  Michael Mallary

IPC分类号： G11B5/667 ,  G11B5/82

CPC分类号： G11B5/667 ,  G11B5/82 ,  G11B5/855

摘要： A recording media design having discrete track recording structure where the trenches between tracks are filled with a soft magnetic material is provided. The soft magnetic material provides a low magnetic impedance path to the soft underlayer such that fringe fields from the write head are conducted to the soft underlayer without having a negative effect such as adjacent track erasure. A method of manufacturing the media includes a nano-imprint step and ion milling out the data layer to create the trenches. A B2O3 material allows the data layer to be ion milled out without redeposition bridging the B2O3 layer thus preventing lift off of the mask. The trenches are then filled by ion deposition with the layers of ferromagnetic material separated by an anti-ferromagnetic coupling that causes the flux to be conducted to the soft underlayer and remnant flux to rotate within the island and not into adjacent tracks.

摘要翻译： 提供了具有离散轨道记录结构的记录介质设计，其中轨道之间的沟槽被软磁材料填充。 软磁材料提供到软底层的低磁阻抗路径，使得来自写头的边缘场被传导到软底层，而不会产生诸如相邻轨道擦除的负面影响。 制造介质的方法包括纳米压印步骤和离子铣出数据层以产生沟槽。 B2O3材料允许将数据层离子研磨而不再沉积B2O3层，从而防止掩模剥离。 然后通过离子沉积来填充沟槽，铁磁材料层通过反铁磁耦合分开，这导致通量被引导到软底层，剩余通量在岛内旋转而不进入相邻的轨道。

公开(公告)号：US07618721B1

公开(公告)日：2009-11-17

申请号：US11096519

申请日：2005-04-01

申请人： Michael Mallary

发明人： Michael Mallary

IPC分类号： G11B5/66

CPC分类号： C23C28/00 ,  B82Y10/00 ,  C23C28/021 ,  C23C28/023 ,  C23C28/321 ,  C23C28/322 ,  C23C28/34 ,  C23C28/345 ,  G11B5/743 ,  G11B5/855 ,  G11B5/865 ,  Y10T428/1164 ,  Y10T428/1171

摘要： A master is provided for use in a magnetic printing process. Illustratively, the master is used for printing servo patterns on a magnetic recording medium. The master includes a substrate on which a magnetic underlayer material is disposed. A second magnetic material is disposed over the magnetic underlayer material so as to form a plurality of teeth adapted for use in the magnetic printing process. The teeth may be formed in the second material by an additive or subtractive process. Further, the dimensions of the teeth may be selected to optimize use of the master in a magnetic printing process on perpendicular media.

摘要翻译： 提供用于磁性印刷工艺的主机。 说明性地，主机用于在磁记录介质上打印伺服图案。 主机包括其上设置有磁性底层材料的基板。 第二磁性材料设置在磁性底层材料上方，以便形成适于在磁性印刷过程中使用的多个齿。 齿可以通过添加或减色法在第二材料中形成。 此外，可以选择齿的尺寸以在垂直介质上的磁性印刷工艺中优化主体的使用。

公开(公告)号：US07573683B1

公开(公告)日：2009-08-11

申请号：US11483408

申请日：2006-07-06

申请人： Mourad Benakli ,  Michael Mallary

发明人： Mourad Benakli ,  Michael Mallary

IPC分类号： G11B5/127

CPC分类号： G11B5/11 ,  G11B5/1278 ,  G11B5/3116 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/4906

摘要： A write head for a media drive suited for perpendicularly recording data in adjacent magnetic recording media, the media having a magnetic recording layer and a soft underlayer (SUL). The write head has a pole tip, a write yoke connected to the pole tip, a write return yoke, a write shield, one or more conductive coils surrounding the write yoke, and one or more side shields disposed in close proximity to the pole tip. The write return yoke connects to the write yoke on one end and the write shield on a different end. The one or more side shields are separated from the pole tip and write shields by a non-magnetic material and therefore are “floating” and not directly coupled to the write shield or pole tip.

摘要翻译： 适用于在相邻磁记录介质中垂直记录数据的媒体驱动器的写头，所述介质具有磁记录层和软底层（SUL）。 写头具有极尖，连接到极尖的写磁轭，写入返回磁轭，写入屏蔽，围绕写入磁轭的一个或多个导电线圈以及设置在极尖附近的一个或多个侧屏蔽 。 写入返回磁轭在一端连接到写磁轭，而在另一端连接写屏蔽。 一个或多个侧面屏蔽件与极尖分离，并由非磁性材料写入屏蔽，因此“浮动”并且不直接耦合到写入屏蔽或极尖。

公开(公告)号：US07477470B2

公开(公告)日：2009-01-13

申请号：US11705295

申请日：2007-02-12

申请人： Michael Leis ,  Michael Mallary

发明人： Michael Leis ,  Michael Mallary

IPC分类号： G11B21/21 ,  G11B5/60

CPC分类号： G11B5/6064 ,  G11B5/607

摘要： A fly height controller measures electrical resistance of a heater element attached to a read/write head as an indication of head temperature and associated flying height relative to a data storage disk, and responds to the measured resistance of the heater element by varying a fly height adjustment signal applied to the heater element to change the temperature of the head and its resulting flying height.

摘要翻译： 飞行高度控制器测量附接到读/写头的加热器元件的电阻，作为相对于数据存储盘的头部温度和相关联的飞行高度的指示，并且通过改变飞行高度来响应加热器元件的测量电阻 调节信号施加到加热器元件以改变头部的温度及其产生的飞行高度。

公开(公告)号：US07362534B1

公开(公告)日：2008-04-22

申请号：US11101112

申请日：2005-04-07

申请人： Erhard Schreck ,  Francis P. Crimi ,  Jingbo Yu ,  Michael Mallary ,  Scott Hughes ,  Duc Bahn ,  Mark Heimbaugh ,  Kazuhiro Saito ,  Andrew LeFebvre ,  Joerg Ferber ,  Xiaoping Hu ,  Douglas J. Krajnovich ,  Chris Hawks ,  Donald J Brunnett ,  Bruce C Schardt

发明人： Erhard Schreck ,  Francis P. Crimi ,  Jingbo Yu ,  Michael Mallary ,  Scott Hughes ,  Duc Bahn ,  Mark Heimbaugh ,  Kazuhiro Saito ,  Andrew LeFebvre ,  Joerg Ferber ,  Xiaoping Hu ,  Douglas J. Krajnovich ,  Chris Hawks ,  Donald J Brunnett ,  Bruce C Schardt

IPC分类号： G11B21/02 ,  G11B5/596 ,  G11B5/58

CPC分类号： G11B5/5526 ,  G11B5/3136 ,  G11B5/54

摘要： A disk drive includes a rotatable storage disk, an actuator motor, a slider that magnetically interacts with the storage disk, and a drive circuitry. A portion of the slider moves between a first position wherein the slider does not contact the storage disk and a second position wherein the slider contacts the storage disk. The drive circuitry can detect when the position of the slider changes between these positions. In one embodiment, the drive circuitry monitors off-track movement of the slider to detect when the slider has moved between these positions. The drive circuitry can also current that is directed to the actuator motor that is used to compensate for off-track movement to detect when the slider moves between these positions. In yet another embodiment, the drive circuitry monitors a rotational velocity of the storage disk to detect approximately when the slider moves between these positions.

摘要翻译： 磁盘驱动器包括可旋转存储盘，致动器马达，与存储盘磁性相互作用的滑块和驱动电路。 滑块的一部分在滑块不接触存储盘的第一位置和滑块接触存储盘的第二位置之间移动。 驱动电路可以检测滑块的位置何时在这些位置之间变化。 在一个实施例中，驱动电路监视滑块的偏离轨迹运动，以检测滑块何时在这些位置之间移动。 驱动电路还可以引导到致动器马达的电流，该电流用于补偿离轨运动以检测滑块何时在这些位置之间移动。 在另一个实施例中，驱动电路监视存储盘的旋转速度，以便在滑块在这些位置之间移动时大致检测。

公开(公告)号：US07289302B1

公开(公告)日：2007-10-30

申请号：US10253763

申请日：2002-09-24

申请人： Michael Mallary

发明人： Michael Mallary

IPC分类号： G11B5/127

CPC分类号： G11B5/10 ,  G11B5/40

摘要： A slider for use in a magnetic disk drive includes read pads for connecting to a flexible circuit that couples to a pre-amplifier circuit, a transducer, and a protector connected to the transducer and the read pads to protect the transducer against damage from electrostatic discharge (ESD). Examples of transducers that may be used include a giant magnetoresistive (GMR) sensor and a tunneling magnetoresistive (TMR) sensor.

摘要翻译： 用于磁盘驱动器的滑动器包括用于连接到连接到前置放大器电路的柔性电路的读取焊盘，连接到换能器和读取焊盘的保护器，以保护换能器免受静电放电的损害 （ESD）。 可以使用的换能器的示例包括巨磁阻（GMR）传感器和隧道磁阻（TMR）传感器。

公开(公告)号：US07182844B1

公开(公告)日：2007-02-27

申请号：US10444657

申请日：2003-05-23

申请人： Michael Mallary

发明人： Michael Mallary

IPC分类号： G01N27/327 ,  G01N21/00 ,  B32B5/02

CPC分类号： G01N21/78

摘要： A test for the presence of lactose in a sample, in which the test comprises a) treating the sample with lactase enzyme thus converting the lactose into glucose and galactose b) testing the sample for the presence of glucose using any one of a variety of prior art tests for the presence of glucose.

摘要翻译： 测试样品中乳糖的存在，其中测试包括a）用乳糖酶处理样品，从而将乳糖转化为葡萄糖和半乳糖; b）使用先前的任何一种测试样品的葡萄糖存在 葡萄糖存在的艺术测试。