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1. 发明申请

US20070165323A1 Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive 失效
公开(公告)号：US20070165323A1
公开(公告)日：2007-07-19
申请号：US11331487
申请日：2006-01-13
申请人： Haesung Kwon , Vinod Sharma , Hyung Lee
发明人： Haesung Kwon , Vinod Sharma , Hyung Lee
IPC分类号： G11B21/02 , G11B27/36
CPC分类号： G11B5/6005 , G11B5/40
摘要： Method estimating flying height of read-write head in slider near rotating disk surface. Sensing leakage current between slider and spindle motor to create potential difference measurement. Converting potential difference measurement to create estimate of flying height. Method controlling flying height using method for estimating by adjusting vertical actuation signal to micro-actuator assembly. Embodiments implement these methods. Embedded circuit and hard disk drive, each including the apparatus. The invention includes methods of manufacturing and their products.

2. 发明申请

US20070165324A1 Method and apparatus for sensing and controlling the flying height of a read-write head in a hard disk drive 失效
标题翻译：用于感测和控制硬盘驱动器中的读写头的飞行高度的方法和装置
公开(公告)号：US20070165324A1
公开(公告)日：2007-07-19
申请号：US11333679
申请日：2006-01-16
申请人： Haesung Kwon , Vinod Sharma , Hyung Lee
发明人： Haesung Kwon , Vinod Sharma , Hyung Lee
IPC分类号： G11B21/02
CPC分类号： G11B5/4873 , G11B5/4826 , G11B5/4833 , G11B5/4853 , G11B5/486 , G11B5/6058
摘要： A slider, flexure finger, head suspension assembly, head gimbal assembly, main flex circuit, actuator assembly, spindle motor, embedded circuit, and hard disk drive using and/or supporting method of estimating flying height of read-write head near rotating disk surface. Method senses leakage current between slider and spindle motor to create potential difference measurement, and converts potential difference measurement to create estimate of flying height. Method controlling flying height using method for estimating by adjusting vertical actuation signal to micro-actuator assembly. The invention includes methods of manufacturing and their products.
摘要翻译：使用和/或支持在旋转盘表面附近估计读写头的飞行高度的滑块，挠曲指，头悬挂组件，头万向架组件，主柔性电路，致动器组件，主轴电机，嵌入式电路和硬盘驱动器。方法检测滑块和主轴电机之间的泄漏电流，以产生电位差测量，并转换电位差测量值，以产生飞行高度的估计值。使用用于通过调节垂直致动信号到微致动器组件进行估计的方法来控制飞行高度。本发明包括制造方法及其产品。

3. 发明申请

US20060023338A1 Head gimbal assemblies for very low flying height heads with optional micro-actuators in a hard disk drive 失效
标题翻译：用于非常低飞行高度头的头万向节组件，在硬盘驱动器中具有可选的微执行器
公开(公告)号：US20060023338A1
公开(公告)日：2006-02-02
申请号：US10903730
申请日：2004-07-29
申请人： Vinod Sharma , Haesung Kwon , Hyung Lee
发明人： Vinod Sharma , Haesung Kwon , Hyung Lee
IPC分类号： G11B21/02 , G11B5/54 , G11B5/127
CPC分类号： G11B5/4826 , G11B5/4853 , G11B5/486 , G11B5/5552 , G11B5/58 , Y10T29/49025
摘要： A head gimbal assembly may include a piezo layer mechanically coupled with the slider. Bending the piezo layer alters flying height. Alternatively, it may include a piezo element mechanically coupled by a flexure to the slider top near the read-write head, which when excited, bends the flexure to alter the flying height. A bridge flex circuit is included, providing a piezo-control bundle to at least one of the piezo layer leads. The flex circuit assembly may further provide a piezo control bundle, shared with the piezo control bundles for multiple read-write heads. The head gimbal assembly may include a micro-actuator to position the read-write head near a track on the accessed, rotating disk surface. The flex circuit assembly may provide a source control bundle, shared with micro-actuator control bundles for multiple read-write heads. When accessing, all micro-actuators perform the same positioning action, insuring proper positioning of the read-write head. This applies to co-located and non co-located micro-actuators. Wire bundles may include one or two active signal wires. Voice coil actuators and the hard disk drives, as well as making these, are included.
摘要翻译：头部万向架组件可以包括与滑块机械联接的压电层。弯曲压电层改变飞行高度。或者，其可以包括通过弯曲机构耦合到读写头附近的滑块顶部的压电元件，当被激励时，其弯曲挠曲件以改变飞行高度。包括桥式柔性电路，为至少一个压电层导线提供压电控制束。柔性电路组件还可以提供与用于多个读写头的压电控制束共享的压电控制束。磁头万向架组件可以包括微型致动器，以将读写磁头定位在所访问的旋转磁盘表面上的轨道附近。柔性电路组件可以提供与多个读写头的微致动器控制束共享的源控制束。当访问时，所有微执行器执行相同的定位动作，确保读写头的正确定位。这适用于同位置和非共位微致动器。电线束可以包括一个或两个有源信号线。包括音圈执行器和硬盘驱动器，以及制作这些驱动器。

4. 发明授权

US07336436B2 Head gimbal assemblies for very low flying height heads with optional micro-actuators in a hard disk drive 失效
标题翻译：用于非常低飞行高度头的头万向节组件，在硬盘驱动器中具有可选的微执行器
公开(公告)号：US07336436B2
公开(公告)日：2008-02-26
申请号：US10903730
申请日：2004-07-29
申请人： Vinod Sharma , Haesung Kwon , Hyung Jai Lee
发明人： Vinod Sharma , Haesung Kwon , Hyung Jai Lee
IPC分类号： G11B5/60 , G11B21/21
CPC分类号： G11B5/4826 , G11B5/4853 , G11B5/486 , G11B5/5552 , G11B5/58 , Y10T29/49025
摘要： Head gimbal assembly (HGA) may include a piezo layer mechanically coupled with the slider or include a piezo element mechanically coupled by the flexure to the slider top near the read-write head. A bridge flex circuit is included, providing a piezo-control bundle to at least one piezo layer lead. A flex circuit assembly may further provide a piezo control bundle, shared with piezo control bundles for multiple read-write heads. HGA may include a micro-actuator to position read-write head near track on accessed, rotating disk surface. Flex circuit assembly may provide a source control bundle, shared with the micro-actuator control bundles for multiple read-write heads. When accessing, all micro-actuators perform same positioning action, insuring proper positioning of read-write head. This applies to both co-located and non co-located micro-actuators. Wire bundles may include one or two active signal wires. Voice coil actuators and hard disk drives, and their manufacture, are included.
摘要翻译：头部万向节组件（HGA）可以包括与滑块机械耦合的压电层，或者包括通过挠性机构耦合到读写头附近的滑块顶部的压电元件。包括桥梁柔性电路，为至少一个压电层引线提供压电控制束。柔性电路组件还可以提供与用于多个读写头的压电控制束共享的压电控制束。 HGA可以包括微致动器以将读写头靠近所访问的旋转盘表面上的轨迹。 Flex电路组件可以提供与多个读写头的微执行器控制束共享的源控制束。当访问时，所有微执行器执行相同的定位动作，确保读写头的正确定位。这适用于同位置和非共定位微致动器。电线束可以包括一个或两个有源信号线。包括音圈执行器和硬盘驱动器及其制造。

5. 发明授权

US07280305B2 Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive 失效
标题翻译：用于估计和控制硬盘驱动器中读写头的飞行高度的方法和装置
公开(公告)号：US07280305B2
公开(公告)日：2007-10-09
申请号：US11331487
申请日：2006-01-13
申请人： Haesung Kwon , Vinod Sharma , Hyung Jai Lee
发明人： Haesung Kwon , Vinod Sharma , Hyung Jai Lee
IPC分类号： G11B21/02
CPC分类号： G11B5/6005 , G11B5/40
摘要： Method estimating flying height of read-write head in slider near rotating disk surface. Sensing leakage current between slider and spindle motor to create potential difference measurement. Converting potential difference measurement to create estimate of flying height. Method controlling flying height using method for estimating by adjusting vertical actuation signal to micro-actuator assembly. Embodiments implement these methods. Embedded circuit and hard disk drive, each including the apparatus. The invention includes methods of manufacturing and their products.
摘要翻译：方法估计旋转盘表面附近的滑块读写头的飞行高度。检测滑块和主轴电机之间的漏电流，以产生电位差测量。转换潜在的差异测量值以产生飞行高度的估计值。使用用于通过调节垂直致动信号到微致动器组件进行估计的方法来控制飞行高度。实施例实现这些方法。嵌入式电路和硬盘驱动器，各自包含设备。本发明包括制造方法及其产品。

6. 发明授权

US07573668B2 Method and apparatus for sensing leakage current to estimate and possibly adjust flying height of a read-write head in a hard disk drive 失效
标题翻译：用于检测泄漏电流的方法和装置，以估计和可能地调整硬盘驱动器中的读写头的飞行高度
公开(公告)号：US07573668B2
公开(公告)日：2009-08-11
申请号：US11333679
申请日：2006-01-16
申请人： Haesung Kwon , Vinod Sharma , Hyung Jai Lee
发明人： Haesung Kwon , Vinod Sharma , Hyung Jai Lee
IPC分类号： G11B21/02
CPC分类号： G11B5/4873 , G11B5/4826 , G11B5/4833 , G11B5/4853 , G11B5/486 , G11B5/6058
摘要： A slider, flexure finger, head suspension assembly, head gimbal assembly, main flex circuit, actuator assembly, spindle motor, embedded circuit, and hard disk drive using and/or supporting method of estimating flying height of read-write head near rotating disk surface. Method senses leakage current between slider and spindle motor to create potential difference measurement, and converts potential difference measurement to create estimate of flying height. Method controlling flying height using method for estimating by adjusting vertical actuation signal to micro-actuator assembly. The invention includes methods of manufacturing and their products.
摘要翻译：使用和/或支持在旋转盘表面附近估计读写头的飞行高度的滑块，挠曲指，头悬挂组件，头万向架组件，主柔性电路，致动器组件，主轴电机，嵌入式电路和硬盘驱动器。方法检测滑块和主轴电机之间的泄漏电流，以产生电位差测量，并转换电位差测量值，以产生飞行高度的估计值。使用用于通过调节垂直致动信号到微致动器组件进行估计的方法来控制飞行高度。本发明包括制造方法及其产品。

7. 发明申请

US20070132343A1 Method and apparatus for a D33 mode piezoelectric actuator with a bending motion 失效
公开(公告)号：US20070132343A1
公开(公告)日：2007-06-14
申请号：US11298721
申请日：2005-12-08
申请人： Haesung Kwon , Hyung Lee
发明人： Haesung Kwon , Hyung Lee
IPC分类号： H01L41/083
CPC分类号： H01L41/083 , H01L41/094
摘要： The invention includes a D33 mode piezoelectric actuator region, including electrodes of differing length to produce a bending motion. The invention also includes a piezoelectric actuator containing a first piezoelectric actuator region coupled to a second piezoelectric actuator region, which may be separated by the ceramic material. Applying a first potential difference between electrodes generates a first bending of the piezoelectric actuator region. Applying the negative first potential difference generates the complement first bending for the piezoelectric actuator. The piezoelectric actuator region may be used to radially move a coupled transducer by the first bending. The piezoelectric actuator may be used to radially move a coupled transducer by the first bending and/or its complement. The invention includes the methods of making the piezoelectric actuator region and the piezoelectric actuator, and their products.

8. 发明申请

US20060181812A1 Method and apparatus coupling to a slider in a hard disk drive for microactuation 有权
标题翻译：耦合到硬盘驱动器中用于微动作的滑块的方法和装置
公开(公告)号：US20060181812A1
公开(公告)日：2006-08-17
申请号：US11323778
申请日：2005-12-30
申请人： Haesung Kwon , Hyung Lee
发明人： Haesung Kwon , Hyung Lee
IPC分类号： G11B5/56
CPC分类号： G11B5/4826 , G11B5/4873 , G11B5/5552
摘要： A region of flexure layer, including slider mounting face coupled to offset mounting face for at least one piezoelectric device. The offset mounting face for piezoelectric device provides asymmetry between first contact region and second contact region based upon notch and slot. This is cost effective, reliable support for piezoelectric devices used for micro-actuation in hard disk drives. The slider moves based upon asymmetry of the offset mounting face coupled to the piezoelectric device twisting the slider mounting face. The invention includes flexure containing the region of the flexure layer. The invention includes head gimbal assembly including flexure, actuator arm including head gimbal assembly, and actuator assembly including actuator arm, and hard disk drive including actuator assembly. The invention includes manufacturing the region, the flexure, the head gimbal assembly, the actuator arm, the actuator assembly and the hard disk drive, as well as these products of the manufacturing processes.
摘要翻译：挠曲层的区域，包括耦合到用于至少一个压电装置的偏移安装面的滑块安装面。用于压电装置的偏移安装面基于凹口和狭槽提供第一接触区域和第二接触区域之间的不对称性。这对于用于硬盘驱动器中的微动作的压电装置来说是经济有效的可靠的支持。滑块基于耦合到扭转滑块安装面的压电装置的偏移安装面的不对称性移动。本发明包括包含挠曲层的区域的挠曲。本发明包括头万向架组件，其包括挠性件，包括头万向架组件的致动器臂和包括致动器臂的致动器组件以及包括致动器组件的硬盘驱动器。本发明包括制造区域，挠曲件，头万向架组件，致动器臂，致动器组件和硬盘驱动器，以及制造过程的这些产品。

9. 发明申请

US20050248876A1 Method and apparatus to detect sub-micron particles in a hard disk drive with optical pickup 失效
标题翻译：用光学拾取器检测硬盘驱动器中的亚微米颗粒的方法和装置
公开(公告)号：US20050248876A1
公开(公告)日：2005-11-10
申请号：US10842798
申请日：2004-05-10
申请人： Haesung Kwon , Hyung Lee , Seong-Woo Kang , Yun-Sik Han
发明人： Haesung Kwon , Hyung Lee , Seong-Woo Kang , Yun-Sik Han
IPC分类号： G11B17/00 , G11B23/50
CPC分类号： G11B23/505
摘要： A hard disk drive that includes an optical pick-up coupled to a head of a hard disk assembly (“HDA”). The head is located adjacent to a disk. The optical pick-up can sense the surface of the disk by detecting light reflected from the surface. The optical pick-up is coupled to a particle circuit that can distinguish between an embedded particle and a floating particle from the reflected light.
摘要翻译：硬盘驱动器，其包括耦合到硬盘组件（“HDA”）的头部的光学拾取器。磁头位于磁盘附近。光学拾取器可以通过检测从表面反射的光来感测盘的表面。光学拾取器耦合到可以将嵌入的颗粒和浮动颗粒与反射光区分开的粒子电路。

10. 发明申请

US20050152072A1 Method and apparatus for a micro-actuator providing three-dimensional positioning to a slider in a hard disk drive 失效
标题翻译：用于微致动器的方法和装置，其提供硬盘驱动器中的滑块的三维定位
公开(公告)号：US20050152072A1
公开(公告)日：2005-07-14
申请号：US10757238
申请日：2004-01-13
申请人： Haesung Kwon , Michael Sullivan , Hyung Lee
发明人： Haesung Kwon , Michael Sullivan , Hyung Lee
IPC分类号： G11B21/02 , G11B5/48 , G11B5/55 , G11B5/56 , G11B5/596 , G11B7/085 , G11B21/21
CPC分类号： G11B5/56 , G11B5/4826 , G11B5/5552 , G11B5/596
摘要： The present invention includes a micro-actuator assembly. The micro-actuator assembly includes a planar micro-actuator and a vertical micro-actuator. The planar micro-actuator provides at least one planar micro-actuator arm for coupling to a slider. The vertical micro-actuator couples with the planar micro-actuator arm. The planar micro-actuator arm supports moving the slider in a planar direction. The vertical micro-actuator supports moving the slider, through the micro-actuator arm, in a vertical direction. The planar micro-actuator may include two planar micro-actuator arms. It is preferred that at least one of the micro-actuators include a piezoelectric device. The vertical micro-actuator preferably includes a bulk piezoelectric device for cost reasons. The vertical micro-actuator may include a thermoelectric device supporting vertical slider movement. The invention includes manufacturing head gimbal assemblies, actuator arms, voice coil actuator assemblies, and hard disk drives. The hard disk drives, actuator assemblies, actuator arms, and head gimbal assemblies, are products of these processes.
摘要翻译：本发明包括微致动器组件。微致动器组件包括平面微致动器和垂直微致动器。平面微致动器提供至少一个用于联接到滑动件的平面微致动器臂。垂直微致动器与平面微致动器臂耦合。平面微致动器臂支撑滑块在平面方向移动。垂直微型致动器支撑滑块通过微型致动器臂沿垂直方向移动。平面微致动器可以包括两个平面微致动器臂。优选地，至少一个微致动器包括压电装置。由于成本原因，垂直微型致动器优选地包括体压电装置。垂直微致动器可以包括支撑垂直滑动器运动的热电装置。本发明包括制造头万向架组件，致动器臂，音圈致动器组件和硬盘驱动器。硬盘驱动器，致动器组件，致动器臂和头万向节组件是这些工艺的产物。

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