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1. 发明授权

US07686871B2 Integrated filter assembly 有权
标题翻译：集成过滤器总成
公开(公告)号：US07686871B2
公开(公告)日：2010-03-30
申请号：US11415541
申请日：2006-05-02
申请人： CheeFong Oh , LiHong Zhang , Djohni Chandra
发明人： CheeFong Oh , LiHong Zhang , Djohni Chandra
IPC分类号： B01D53/02
CPC分类号： B01D46/0036 , B01D46/0005 , B01D2265/029 , B01D2279/45 , G11B33/146
摘要： An integrated filter assembly is provided. The filter assembly includes a fastener that holds two substantially opposing elements of a housing together. Also included is a multi-purpose filter that has at least a particle filter component and a chemical filter component. The multi-purpose filter is attached to the fastener. The multi-purpose filter is within the housing when the fastener holds the two substantially opposing elements of the housing together.
摘要翻译：提供集成的过滤器组件。过滤器组件包括将壳体的两个基本相对的元件保持在一起的紧固件。还包括至少具有颗粒过滤器部件和化学过滤器部件的多功能过滤器。多功能过滤器连接到紧固件。当紧固件将壳体的两个基本上相对的元件保持在一起时，多用途过滤器在壳体内。

2. 发明申请

US20070091507A1 Load/unload ramp 审中-公开
标题翻译：加载/卸载斜坡
公开(公告)号：US20070091507A1
公开(公告)日：2007-04-26
申请号：US11258968
申请日：2005-10-26
申请人： Pow-Hing Yong , CheeFong Oh , Samual Gan , LiHong Zhang , MuiChong Chai
发明人： Pow-Hing Yong , CheeFong Oh , Samual Gan , LiHong Zhang , MuiChong Chai
IPC分类号： G11B5/54
CPC分类号： G11B5/54
摘要： A disc drive utilizes ramp load unload technology. A ramp component of the disc drive includes a recess that reduces the contact surface area of the ramp component that supports an actuator assembly to unload a slider of the disc drive. The actuator assembly may include a lift tab that interacts with the ramp component to hold the slider off a media disc when the slider is unloaded.
摘要翻译：磁盘驱动器采用斜坡卸载技术。盘驱动器的斜坡部件包括凹部，其减小了支撑致动器组件的斜坡部件的接触表面面积，以卸载盘驱动器的滑块。致动器组件可以包括提升接头，当升降滑块被卸载时，提升接头与斜面部件相互作用以将滑块保持在介质盘上。

3. 发明申请

US20060285245A1 Activated carbon fiber filter for a data storage system 有权
公开(公告)号：US20060285245A1
公开(公告)日：2006-12-21
申请号：US11154030
申请日：2005-06-16
申请人： LiHong Zhang , CheeFong Oh
发明人： LiHong Zhang , CheeFong Oh
IPC分类号： G11B17/00
CPC分类号： G11B33/12
摘要： A data storage system includes a housing, one or more data storage media disposed within the housing, and an filter comprising activated carbon fibers disposed within the housing. The activated carbon fiber filter includes activated carbon fibers configured to adsorb both chemical contaminants and particulate contaminants within the housing. The activated carbon fiber filter may include a wide variety of active molecular functional groups, pores with sizes from macroscopic to nanoscopic scales, and a very high surface area per unit mass, in various embodiments. The activated carbon fiber filter may be mounted in a region of the data storage system having enhanced fluid pressure when the data storage system is in normal operation.

4. 发明授权

US07505225B2 Activated carbon fiber filter for a data storage system 有权
标题翻译：用于数据存储系统的活性碳纤维过滤器
公开(公告)号：US07505225B2
公开(公告)日：2009-03-17
申请号：US11154030
申请日：2005-06-16
申请人： LiHong Zhang , CheeFong Oh
发明人： LiHong Zhang , CheeFong Oh
IPC分类号： G11B33/14 , B01D53/04 , B03C3/30
CPC分类号： G11B33/12
摘要： A data storage system includes a housing, one or more data storage media disposed within the housing, and an filter comprising activated carbon fibers disposed within the housing. The activated carbon fiber filter includes activated carbon fibers configured to adsorb both chemical contaminants and particulate contaminants within the housing. The activated carbon fiber filter may include a wide variety of active molecular functional groups, pores with sizes from macroscopic to nanoscopic scales, and a very high surface area per unit mass, in various embodiments. The activated carbon fiber filter may be mounted in a region of the data storage system having enhanced fluid pressure when the data storage system is in normal operation.
摘要翻译：数据存储系统包括壳体，设置在壳体内的一个或多个数据存储介质和包括设置在壳体内的活性碳纤维的过滤器。活性炭纤维过滤器包括被配置成吸收壳体内的化学污染物和颗粒污染物的活性炭纤维。在各种实施方案中，活性炭纤维过滤器可以包括各种各样的活性分子官能团，具有从宏观到纳米尺度的尺寸的孔和非常高的每单位质量的表面积。当数据存储系统处于正常操作时，活性炭纤维过滤器可以安装在具有增强的流体压力的数据存储系统的区域中。

5. 发明授权

US06940279B2 Transfer function for track average amplitude prediction 有权
标题翻译：轨道平均幅度预测的传递函数
公开(公告)号：US06940279B2
公开(公告)日：2005-09-06
申请号：US10421241
申请日：2003-04-23
申请人： FongKheon Chong , Edward YinKong Hew , SanYuan Liew , CheeFong Oh , YoiSeng Yee
发明人： FongKheon Chong , Edward YinKong Hew , SanYuan Liew , CheeFong Oh , YoiSeng Yee
IPC分类号： G11B5/00 , G11B5/455 , G11B27/36 , G01R33/12
CPC分类号： G11B27/36 , G11B5/455 , G11B2005/001
摘要： A method and apparatus produce a read signal using a read head. A variable gain value is set that is used by a variable gain amplifier to amplify the read signal. The variable gain value is used to determine whether the head is functioning properly.
摘要翻译：方法和装置使用读取头产生读取信号。设置可变增益值，可变增益放大器用于放大读取信号。可变增益值用于确定磁头是否正常工作。

6. 发明申请

US20070256396A1 Integrated filter assembly 有权
标题翻译：集成过滤器总成
公开(公告)号：US20070256396A1
公开(公告)日：2007-11-08
申请号：US11415541
申请日：2006-05-02
申请人： CheeFong Oh , LiHong Zhang , Djohni Chandra
发明人： CheeFong Oh , LiHong Zhang , Djohni Chandra
IPC分类号： B01D50/00
CPC分类号： B01D46/0036 , B01D46/0005 , B01D2265/029 , B01D2279/45 , G11B33/146
摘要： An integrated filter assembly is provided. The filter assembly includes a fastener that holds two substantially opposing elements of a housing together. Also included is a multi-purpose filter that has at least a particle filter component and a chemical filter component. The multi-purpose filter is attached to the fastener. The multi-purpose filter is within the housing when the fastener holds the two substantially opposing elements of the housing together.
摘要翻译：提供集成的过滤器组件。过滤器组件包括将壳体的两个基本相对的元件保持在一起的紧固件。还包括至少具有颗粒过滤器部件和化学过滤器部件的多功能过滤器。多功能过滤器连接到紧固件。当紧固件将壳体的两个基本上相对的元件保持在一起时，多用途过滤器在壳体内。

7. 发明申请

US20050244167A1 Signal-to-noise ratio (SNR) value characterization in a data recovery channel 审中-公开
标题翻译：数据恢复通道中的信噪比（SNR）值表征
公开(公告)号：US20050244167A1
公开(公告)日：2005-11-03
申请号：US10834480
申请日：2004-04-29
申请人： Sanyuan Liew , TeckKhoon Lim , CheeFong Oh , WengKhin Chew , KokHoe Chia , SongWee Teo
发明人： Sanyuan Liew , TeckKhoon Lim , CheeFong Oh , WengKhin Chew , KokHoe Chia , SongWee Teo
IPC分类号： G11B5/596 , H04B10/06
CPC分类号： G11B5/59605
摘要： Method and apparatus for determining a signal-to-noise ratio (SNR) value from a readback signal, such as in a data storage device. A readback signal is obtained by a receiver (such as a data transducing head) coupled to a data recovery channel having a variable gain amplifier (VGA) and a threshold detector (TD). The data channel applies a selectable VGA gain value to the readback signal while errors are accumulated using a selectable error detection threshold from the TD. The SNR value is determined at least from a magnitude of the error detection threshold, and preferably from first and second VGA gain values using a linear regression model. The determined SNR value is highly correlated to classical SNR values obtained using external equipment such as an analyzer or oscilloscope, and is advantageously used in automated fashion during high volume manufacturing certification testing.
摘要翻译：用于从诸如数据存储设备中的回读信号确定信噪比（SNR）值的方法和装置。通过耦合到具有可变增益放大器（VGA）和阈值检测器（TD）的数据恢复通道的接收器（例如数据传输头）获得回读信号。数据通道将可选择的VGA增益值应用于回读信号，同时使用TD的可选误差检测阈值积累错误。 SNR值至少从误差检测阈值的大小确定，优选地使用线性回归模型从第一和第二VGA增益值确定。确定的SNR值与使用诸如分析仪或示波器之类的外部设备获得的经典SNR值高度相关，并且在大批量制造认证测试期间有利地以自动化方式使用。

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