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    • 93. 发明授权
    • Multi-stage actuator disk drive and methods for controlling a transducer with settle-switching state dependent feed-forward control
    • 多级致动器盘驱动器和用于控制具有稳定开关状态相关前馈控制的换能器的方法
    • US07215499B1
    • 2007-05-08
    • US11180283
    • 2005-07-13
    • Yunfeng LiYu SunLin GuoXiaoping Hu
    • Yunfeng LiYu SunLin GuoXiaoping Hu
    • G11B21/02
    • G11B5/5547G11B5/5552
    • A disk drive and method are provided for controlling seeking of a transducer that is adjacent to a rotatable data storage disk in a disk drive. The disk drive includes an actuator for positioning the transducer relative to the disk, the method comprising. The actuator is controlled to move the transducer toward a target track on the disk during an initial phase of a seek mode during which the transducer is primarily accelerated toward the target track. During a settle phase of the seek mode which follows the initial phase the actuator is controlled to settle the transducer onto the target track. An initial position, an initial velocity, and an initial acceleration of the transducer are determined at a phase switch time at about when control of the actuator switches from the initial phase to the settle phase of the seek mode. Feed-forward control information is generated based on the determined initial position, initial velocity, and initial acceleration of the transducer. The actuator is controlled responsive to the feed-forward control information to settle the transducer onto the target track during the settle phase of the seek mode.
    • 提供了一种磁盘驱动器和方法,用于控制寻找与磁盘驱动器中的可旋转数据存储盘相邻的换能器。 磁盘驱动器包括用于相对于盘定位换能器的致动器,该方法包括。 在寻像模式的初始阶段期间,致动器被控制以将传感器移向盘上的目标轨道,在该模式期间,换能器主要朝向目标轨道加速。 在跟随初始阶段的搜索模式的稳定阶段期间,致动器被控制以将换能器定位到目标轨道上。 在致动器的控制从寻找模式的初始阶段到稳定阶段切换的时刻,在相位切换时刻确定换能器的初始位置,初始速度和初始加速度。 基于确定的换能器的初始位置,初始速度和初始加速度产生前馈控制信息。 响应于前馈控制信息控制致动器,以在搜索模式的稳定阶段期间将换能器稳定在目标轨道上。
    • 95. 发明授权
    • Positioning transducers based on a compensation scheme that varies based on transducer vibrational state
    • 基于基于传感器振动状态变化的补偿方案来定位换能器
    • US07116513B1
    • 2006-10-03
    • US10999552
    • 2004-11-30
    • Yu SunLin GuoXiaoping Hu
    • Yu SunLin GuoXiaoping Hu
    • G11B5/596
    • G11B5/5582G11B19/04
    • A disk drive includes a transducer and a rotatable disk, which includes a plurality of tracks. A vibration state of the transducer relative to the disk is determined. The transducer is positioned relative one of the tracks based on a compensation scheme that varies based on the determination of the vibration state. The compensation scheme may be varied by selecting among output of two or more compensators, based on the determined of the vibration state of the transducer, to control positioning of the transducer. The compensation scheme may alternatively, or additionally, be varied by varying a contribution from a vibration state actuator compensator to the control of positioning of the transducer. The vibration state actuator compensator is configured to improve transducer track following while the transducer is subjected to vibration.
    • 磁盘驱动器包括换能器和可旋转盘,其包括多个轨道。 确定换能器相对于盘的振动状态。 基于基于振动状态的确定而变化的补偿方案,换能器相对于轨道定位。 可以通过基于确定的换能器的振动状态来选择两个或多个补偿器的输出来改变补偿方案,以控制换能器的定位。 可以通过改变从振动状态致动器补偿器对转换器的定位的控制的贡献来替代或另外地改变补偿方案。 振动状态致动器补偿器配置成在传感器经受振动时改善传感器轨迹跟随。
    • 99. 发明授权
    • Salicided gate for virtual ground arrays
    • 用于虚拟地面阵列的闸门
    • US06645801B1
    • 2003-11-11
    • US09968456
    • 2001-10-01
    • Mark T. RamsbeyYu SunChi Chang
    • Mark T. RamsbeyYu SunChi Chang
    • H01L218234
    • H01L27/11568H01L21/76889H01L27/115
    • The present invention provides a process for saliciding the word lines in a virtual ground array flash memory device without saliciding the substrate between word lines. According to the invention, in a process for manufacturing virtual ground array flash memory devices, a salicide protect layer covers the substrate between word lines in the core region while the tops of the word lines are exposed. The salicide protect layer can be brought into the desired configuration by one or more of masking the substrate between word lines during an etching process, removing salicide protection material in the core by polishing, and forming a comparatively thick layer of salicide protection material in the core whereby the tendency of the salicide protect layer to follow the contour of the underlying structures is reduced. With the substrate between word lines protected by the salicide protect layer, the word lines are salicided. The process of the invention produces virtual ground array flash memory devices with salicided word lines, but without shorting between bit lines.
    • 本发明提供了一种在虚拟接地阵列闪存器件中对字线进行水印处理,而不会在字线之间对基片进行浸蚀。 根据本发明,在虚拟接地阵列闪速存储器件的制造工艺中,当暴露出字线的顶部时,自对准保护层在芯部区域中的字线之间覆盖衬底。 可以通过在蚀刻工艺期间在字线之间掩蔽衬底的一种或多种来将所述自对准保护层带入所需的构型,通过抛光去除芯中的自对准保护材料,以及在芯中形成比较厚的自对准保护材料层 从而降低了防自杀剂保护层跟随下面结构轮廓的趋势。 在由自对准保护层保护的字线之间的衬底上,字线被浸渍。 本发明的方法产生具有带字线的虚拟接地阵列闪存器件,但是在位线之间没有短路。