公开(公告)号：US06262868B1

公开(公告)日：2001-07-17

申请号：US09000940

申请日：1997-12-30

申请人： Satya Prakash Arya ,  Long-Sheng Fan ,  Toshiki Hirano ,  Tzong-Shii Pan ,  Wing Chun Shum ,  Timothy Clark Reiley

发明人： Satya Prakash Arya ,  Long-Sheng Fan ,  Toshiki Hirano ,  Tzong-Shii Pan ,  Wing Chun Shum ,  Timothy Clark Reiley

IPC分类号： G11B548

CPC分类号： G11B5/4826 ,  G11B5/5552

摘要： A rotary microactuator includes a stationary structure formed on a substrate, a movable structure, and at least a pair of wires connected to the movable structure that conduct a signal associated with the movable structure. Each wire of the pair of wires has a first end that is connected in a cantilever manner to the substrate and a second end that is connected to the movable structure. The wires each have a serpentine shape between the first end and the second end, a predetermined spring stiffness, and a predetermined electrical characteristic. The microactuator also includes a magnetic head slider that is attached to the movable structure, and at least another pair of wires conducting a signal associated with a magnetic head of the slider. Each of the another pair of wires has a first end that is connected in a cantilever manner to the substrate and a second end that is connected to the movable structure. Like the first pair of wires, each of the another pair of wires has a serpentine shape between the first end and the second end of the wire. Electronic circuitry for conditioning the electrical signals associated with the magnetic head can be fabricated as part of the substrate and be connected to one of the pair of wires. The electronic circuitry can, for example, amplify electrical drive signals associated with the magnetic head, be a recording sensor preamplifier, and/or provide ESD protection for the electrical signals associated with the magnetic head.

摘要翻译： 旋转微型致动器包括形成在基板上的固定结构，可移动结构以及连接到可移动结构的至少一对导线，该导线传导与可移动结构相关联的信号。 一对电线中的每根导线具有以悬臂方式连接到基板的第一端和连接到可移动结构的第二端。 导线各自在第一端和第二端之间具有蛇形形状，预定的弹簧刚度和预定的电特性。 微致动器还包括附接到可移动结构的磁头滑动器，以及至少另一对线，其传导与滑块的磁头相关联的信号。 另一对电线中的每一个具有以悬臂方式连接到基板的第一端和连接到可移动结构的第二端。 与第一对电线一样，另一对电线中的每一根在电线的第一端和第二端之间具有蛇形形状。 用于调节与磁头相关联的电信号的电子电路可以被制造为衬底的一部分并且连接到一对电线中的一个。 例如，电子电路可以放大与磁头相关联的电驱动信号，作为记录传感器前置放大器，和/或为与磁头相关联的电信号提供ESD保护。

公开(公告)号：US6005742A

公开(公告)日：1999-12-21

申请号：US116745

申请日：1998-07-16

申请人： Earl Albert Cunningham ,  Long-Sheng Fan ,  Hal Hjalmar Ottesen ,  Timothy Clark Reiley

发明人： Earl Albert Cunningham ,  Long-Sheng Fan ,  Hal Hjalmar Ottesen ,  Timothy Clark Reiley

IPC分类号： G11B5/55 ,  G11B5/596 ,  G11B7/085 ,  G11B7/09 ,  G11B21/08

CPC分类号： G11B7/0901 ,  G11B21/085 ,  G11B5/5552 ,  G11B5/5556 ,  G11B5/59605 ,  G11B5/59627 ,  G11B7/08505 ,  G11B7/08576 ,  G11B7/0937 ,  G11B7/0945

摘要： A method and apparatus for controlling a multiple-stage actuator for a disk drive which does not require an additional sensor for measuring the relative position between adjacent actuator stages. In a two-stage actuator system, a position-type secondary actuator (SA) rides piggyback on a primary actuator (PA). The repeatable runout is measured and used as a feedforward signal to the PA. If the PA is a rotary actuator, the feedforward signal is preferably arc corrected for the arc that the head transverses from the inner radius to the outer radius of the disk. Added to the feedforward signal is the moving average of the drive signal applied to the SA. Because the SA is of the position-type having a neutral position, this moving average is proportional to the time cumulative drift present in the two-stage actuator system, and forces the PA in a direction that minimizes deviation of the SA from its neutral position. This minimizes the range requirement for the SA, the main purpose of which is to reduce non-repeatable runout.

摘要翻译： 一种用于控制磁盘驱动器的多级致动器的方法和装置，其不需要用于测量相邻致动器级之间的相对位置的附加传感器。 在两级致动器系统中，位置型辅助致动器（SA）骑在主致动器（PA）上。 可重复的跳动被测量并用作PA的前馈信号。 如果PA是旋转致动器，则前馈信号优选地对于磁头从磁盘的内半径到外半径横向旋转的弧线被校正。 添加到前馈信号是施加到SA的驱动信号的移动平均值。 由于SA是具有中立位置的位置型，因此该移动平均值与两级致动器系统中存在的时间累积漂移成比例，并且迫使PA沿使SA偏离其中立位置的偏差最小的方向 。 这最小化了SA的范围要求，其主要目的是减少不可重复的跳动。

公开(公告)号：US5805375A

公开(公告)日：1998-09-08

申请号：US703111

申请日：1996-08-22

申请人： Long-Sheng Fan ,  Robert Edward Fontana, Jr. ,  Tomotake Furuhata ,  Timothy Clark Reiley ,  Hans Helmut Zappe

发明人： Long-Sheng Fan ,  Robert Edward Fontana, Jr. ,  Tomotake Furuhata ,  Timothy Clark Reiley ,  Hans Helmut Zappe

IPC分类号： G11B5/55 ,  G11B5/596 ,  H02N1/00 ,  H02N1/100

CPC分类号： G11B5/596 ,  G11B5/5521 ,  H02N1/004

摘要： A microfabricated wobble motor with a positioning arm attached to the wobble motor rotor acts as a fine positioner with bidirectional movement. The primary application is a rotary actuator for the read/write head in a very small magnetic recording disk drive. An integrated head-arm assembly is attached at one end to the rotor of the wobble motor. The other end of the head-arm assembly has a head carrier that is maintained in contact with the disk. Head position error information is read from the disk and used to provide control signals to each of the stator elements. The stator elements are sequentially addressed by applying a voltage from a driver circuit. This causes the rotor to be electrostatically attracted to the activated stators, so that the rotor is movable bidirectionally. The read/write head can thus be moved bidirectionally to any of the data tracks on the disk and maintained on a desired data track for reading or writing data. The fine positioner also includes a digital control system where each of the stator elements is represented by an address, and the movement of the rotor is controlled by incrementing or decrementing the stator address in an address register.

摘要翻译： 具有连接到摆动电动机转子的定位臂的微型摆动电动机作为具有双向运动的精细定位器。 主要应用是在非常小的磁记录磁盘驱动器中用于读/写磁头的旋转致动器。 一体的头臂组件一端连接到摆动马达的转子上。 头臂组件的另一端具有保持与盘接触的头托架。 磁头位置误差信息从磁盘读取并用于向每个定子元件提供控制信号。 通过施加来自驱动器电路的电压来顺序地寻址定子元件。 这导致转子被静电吸引到激活的定子，使得转子可双向移动。 因此，读/写头可以双向移动到磁盘上的任何数据轨道，并保持在用于读取或写入数据的所需数据轨道上。 精细定位器还包括数字控制系统，其中每个定子元件由地址表示，并且通过递增或递减地址寄存器中的定子地址来控制转子的移动。

公开(公告)号：US5920441A

公开(公告)日：1999-07-06

申请号：US532340

申请日：1995-09-22

申请人： Earl Albert Cunningham ,  Long-Sheng Fan ,  Hal Hjalmar Ottesen ,  Timothy Clark Reiley

发明人： Earl Albert Cunningham ,  Long-Sheng Fan ,  Hal Hjalmar Ottesen ,  Timothy Clark Reiley

IPC分类号： G11B5/55 ,  G11B5/596 ,  G11B7/085 ,  G11B7/09 ,  G11B21/08

CPC分类号： G11B7/0901 ,  G11B21/085 ,  G11B5/5552 ,  G11B5/5556 ,  G11B5/59605 ,  G11B5/59627 ,  G11B7/08505 ,  G11B7/08576 ,  G11B7/0937 ,  G11B7/0945

摘要： A method and apparatus for controlling a multiple-stage actuator for a disk drive which does not require an additional sensor for measuring the relative position between adjacent actuator stages. In a two-stage actuator system, a position-type secondary actuator (SA) rides piggyback on a primary actuator (PA). The repeatable runout is measured and used as a feedforward signal to the PA. If the PA is a rotary actuator, the feedforward signal is preferably arc corrected for the arc that the head transverses from the inner radius to the outer radius of the disk. Added to the feedforward signal is the moving average of the drive signal applied to the SA. Because the SA is of the position-type having a neutral position, this moving average is proportional to the time cumulative drift present in the two-stage actuator system, and forces the PA in a direction that minimizes deviation of the SA from its neutral position. This minimizes the range requirement for the SA, the main purpose of which is to reduce non-repeatable runout.

公开(公告)号：US07566483B2

公开(公告)日：2009-07-28

申请号：US10861753

申请日：2004-06-04

申请人： John Edward Eric Baglin ,  Richard D. Bunch ,  Linden James Crawforth ,  Eric W. Flint ,  Andrew J. Kellock ,  Timothy Clark Reiley

发明人： John Edward Eric Baglin ,  Richard D. Bunch ,  Linden James Crawforth ,  Eric W. Flint ,  Andrew J. Kellock ,  Timothy Clark Reiley

IPC分类号： C23C14/48 ,  C23C14/04 ,  B05D5/00 ,  G11B5/60 ,  C23C14/58

CPC分类号： G11B5/6005 ,  G11B5/102

摘要： Modified strain regions are created in correlation to strain reactive structures that are subjected to a predetermined dimensional precision adjustment. The modified strain regions are created by impacting incident particles into exposed regions of the strain reactive structures. The irradiation by the incident particles creates a predetermined material disruption and consequently a change in strain energy. The strain energy, and the associated dimensional adjustment is dependent on the irradiation process and the sum properties of the modified strain regions and the strain reactive structure.

摘要翻译： 与经受预定尺寸精度调整的应变反应结构相关地产生改性应变区。 通过将入射的颗粒冲击到应变反应结构的暴露区域中来产生修饰的应变区域。 入射颗粒的照射产生预定的材料破坏并因此产生应变能的变化。 应变能和相关的尺寸调整取决于照射过程和改性应变区和应变反应结构的总和性质。

公开(公告)号：US06344949B1

公开(公告)日：2002-02-05

申请号：US09352538

申请日：1999-07-13

申请人： Thomas Robert Albrecht ,  Robert Edward Fontana, Jr. ,  Prakash Kasiraj ,  Erno Hilbrand Klaassen ,  Robert Nolan Payne ,  Timothy Clark Reiley

发明人： Thomas Robert Albrecht ,  Robert Edward Fontana, Jr. ,  Prakash Kasiraj ,  Erno Hilbrand Klaassen ,  Robert Nolan Payne ,  Timothy Clark Reiley

IPC分类号： G11B1732

CPC分类号： G11B5/486 ,  G11B5/4833 ,  G11B5/6064 ,  Y10S977/934

摘要： Flying height Adjustment for Air Bearing Sliders An air bearing slider for sliding over a medium surface of a recording medium and having an air bearing surface facing the disk surface, a back surface perpendicular to the air bearing surface and a head at the back surface. During operation the head is maintained at a flying height above the disk surface with the aid of a flying height adjustment mechanism consisting of one or more ducts, each having an inlet at the air bearing surface and an outlet at the back surface. A valve mechanism controls an air flow through the duct or ducts by opening and closing the valve or valves together or independently. Alternatively, a deformable surface feature located on the back surface of the slider is used to alter the air flow to thus control the flying height. The mechanism of the invention allows one to achieve accurate flying height control in a range between 5 and 50 nm and between 0 nm and 15 nm as required for near-field or contact disk drives. By adjusting the flying height the contact can be limited to times of reading or writing data to the disk, thereby lowering the total contact time thereby reducing head/disk interface wear.

摘要翻译： 空气轴承滑块的飞行高度调整用于在记录介质的介质表面上滑动并具有面向盘表面的空气轴承表面的空气轴承滑块，垂直于空气轴承表面的后表面和在后表面处的头部。 在操作期间，借助于由一个或多个管道组成的飞行高度调节机构，将头部保持在盘表面上方的飞行高度，每个管道在空气轴承表面具有入口和在后表面处的出口。 阀机构通过一起或独立地打开和关闭阀或阀来控制通过管道或管道的空气流。 或者，位于滑块后表面的可变形表面特征用于改变气流，从而控制飞行高度。 本发明的机构允许根据近场或接触盘驱动器的需要，在5至50nm之间和0nm至15nm的范围内实现精确的飞行高度控制。 通过调整飞行高度，可以将触点限制在读取或写入数据的次数，从而降低总接触时间，从而减少磁头/磁盘接口磨损。

公开(公告)号：US08634168B2

公开(公告)日：2014-01-21

申请号：US13433192

申请日：2012-03-28

申请人： Thomas Robert Albrecht ,  Robert E. Fontana, Jr. ,  Bruce Alvin Gurney ,  Timothy Clark Reiley ,  Xiao Z. Wu

发明人： Thomas Robert Albrecht ,  Robert E. Fontana, Jr. ,  Bruce Alvin Gurney ,  Timothy Clark Reiley ,  Xiao Z. Wu

IPC分类号： G11B5/33 ,  G11B5/127

CPC分类号： G11B5/40

摘要： A structure for preventing Electrostatic Discharge (ESD) damage to a magnetoresistive sensor during manufacture. The structure includes a switching element that can be switched off during testing of the sensor and then switched back on to provide ESD shunting to the sensor. The switch can be a thermally activated mechanical relay built onto the slider. The switch could also be a programmable resistor that includes a solid electrolyte sandwiched between first and second electrodes. One of the electrodes functions as an anode. When voltage is applied in a first direction an ion bridge forms across through the electrolyte across electrodes making the resistor conductive. When a voltage is applied in a second direction, the ion bridge recedes and the programmable resistor becomes essentially non-conductive.

摘要翻译： 用于在制造期间防止静电放电（ESD）损坏磁阻传感器的结构。 该结构包括开关元件，该开关元件可以在测试传感器期间关闭，然后重新接通以向传感器提供ESD分流。 开关可以是内置在滑块上的热激活机械继电器。 开关也可以是可编程电阻器，其包括夹在第一和第二电极之间的固体电解质。 电极之一用作阳极。 当沿第一方向施加电压时，离子桥跨越电解质跨过电极跨过电极，使电阻器导电。 当沿第二个方向施加电压时，离子桥退出，可编程电阻基本上不导电。

公开(公告)号：US07554055B2

公开(公告)日：2009-06-30

申请号：US11120820

申请日：2005-05-03

申请人： Timothy Clark Reiley ,  Timothy Carl Strand

发明人： Timothy Clark Reiley ,  Timothy Carl Strand

IPC分类号： B23K26/00 ,  H01L21/44

CPC分类号： H01L21/28518 ,  B23K26/0006 ,  B23K2101/34 ,  B23K2101/40 ,  B23K2103/16 ,  B23K2103/42 ,  B23K2103/50 ,  C23C14/5813

摘要： An ohmic contact for a silicon slider body is disclosed. A scanned laser beam locally heats a metal film on the slider body to interdiffuse the metal and silicon while minimizing the total thermal load on the slider body. This localized heating avoids thermal damage to the sensitive magnetic head region on the slider. The native oxide layer on the slider is removed by a sputter etch, followed by deposition of a diffusion layer. A capping layer is then deposited to reduce oxidation during subsequent processing. The metal layer is then locally annealed by scanning the laser beam over the target area. Contact resistance of less than 100 ohms is achieved while minimizing the thermal load on the slider body.

摘要翻译： 公开了一种用于硅滑块体的欧姆接触。 扫描的激光束局部加热滑块体上的金属膜以相互扩散金属和硅，同时最小化滑块体上的总热负荷。 这种局部加热避免了滑块上敏感磁头区域的热损伤。 通过溅射蚀刻去除滑块上的自然氧化物层，然后沉积扩散层。 然后沉积覆盖层以在随后的处理期间减少氧化。 然后通过在目标区域上扫描激光束来对金属层进行局部退火。 实现小于100欧姆的接触电阻，同时最小化滑块体上的热负载。

公开(公告)号：US06793557B2

公开(公告)日：2004-09-21

申请号：US10155395

申请日：2002-05-24

申请人： Richard D. Bunch ,  Timothy Clark Reiley

发明人： Richard D. Bunch ,  Timothy Clark Reiley

IPC分类号： B24B100

CPC分类号： G11B5/3133 ,  B24B37/048 ,  B24B49/02 ,  G11B5/102 ,  G11B5/1871 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3166 ,  G11B5/3169 ,  Y10T29/49046 ,  Y10T29/49052

摘要： An electrical lapping guide is disclosed which is suitable for use with a single slider having a magnetic recording head. The electrical lapping guide provides for monitoring the progression of lapping; does not require additional electrical connection pads; and, is removable after completion of lapping.

摘要翻译： 公开了一种适于与具有磁记录头的单个滑块一起使用的电研磨引导件。 电动研磨导轨用于监测研磨的进展情况; 不需要额外的电连接垫; 并且在完成研磨之后是可移除的。

公开(公告)号：US06239685B1

公开(公告)日：2001-05-29

申请号：US09418011

申请日：1999-10-14

申请人： Thomas Robert Albrecht ,  Timothy Clark Reiley

发明人： Thomas Robert Albrecht ,  Timothy Clark Reiley

IPC分类号： H01H3746

CPC分类号： G11C23/00 ,  B81B3/0024 ,  B81B2201/016 ,  B81B2201/032 ,  G11B5/40 ,  G11B19/04 ,  H01H1/0036 ,  H01H1/20 ,  H01H37/52 ,  H01H2001/0042 ,  H01H2001/0084 ,  H01H2037/008

摘要： A bistable micromechanical switch that includes a substrate, at least two anchor points formed on the substrate, and a beam structure that includes a two-material beam attached to at least two anchor points. The two-material beam has a first portion, a second portion and a center portion. The first portion of the two-material beam is formed from a first layer of a first material and a second layer of a second material such that the first layer of the first portion is proximate to the surface of the substrate and the second layer of the first portion is remote from the surface of the substrate. The first material has a first coefficient of thermal expansion and the second material has a second coefficient of thermal expansion such that the second coefficient of thermal expansion is greater than the first coefficient of thermal expansion. The second portion of the two-material beam is formed from a first layer of the second material and a second layer of the first material such that the first layer of the second portion is proximate to the surface of the substrate and the second layer of the second portion is remote from the surface of the substrate. The beam structure has a first and a second stable state such that the center portion of the beam structure is deflected toward the surface of the substrate for the first stable state and is deflected away from the surface of the substrate for the second stable state.

摘要翻译： 一种双稳态微机械开关，其包括基板，形成在基板上的至少两个锚定点以及包括连接到至少两个锚定点的双材料梁的梁结构。 双材料梁具有第一部分，第二部分和中心部分。 双材料束的第一部分由第一材料的第一层和第二材料的第二层形成，使得第一部分的第一层靠近衬底的表面，并且第二层的第二层 第一部分远离基板的表面。 第一材料具有第一热膨胀系数，第二材料具有第二热膨胀系数，使得第二热膨胀系数大于第一热膨胀系数。 双材料束的第二部分由第二材料的第一层和第一材料的第二层形成，使得第二部分的第一层靠近基板的表面，并且第二层的第二层 第二部分远离基板的表面。 梁结构具有第一和第二稳定状态，使得梁结构的中心部分朝向基板的表面偏转第一稳定状态，并且偏转离开基板的表面用于第二稳定状态。