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    • 3. 发明授权
    • Solid-state gas sensors
    • 固态气体传感器
    • US5591896A
    • 1997-01-07
    • US552219
    • 1995-11-02
    • Gang Lin
    • Gang Lin
    • G01N27/62G01N27/68G01N27/70G01T1/185H01L49/00G01T1/18G01N27/52
    • G01T1/185G01N27/70
    • Solid state gas sensors are provided, the use of which permits quantitative measurement of gaseous contaminants or change of composition of a gas or atmosphere being monitored. The gas sensor comprises at least a base, a first electrode, a second electrode. The first electrode has a finely tapered end to strengthen the electric field intensity in the gap between the first and the second electrodes. The sensing is based on ionization potential difference between the molecules of the contaminating gas and of the atmosphere. When a high voltage is applied to the electrodes, it creates a strong electric field between the electrodes, especially a very strong electric field around the tapered end of the first electrode. When the potential is sufficiently high, the gas in the vicinity of the tapered end of the first electrode will be ionized. The ions and electrons generated by the ionization create an electric current flows between the two electrodes and across the gap. The changes of this electric current with gas contamination or changes in the gas composition are used as sensing signals. Unlike other gas sensors, there is no chemical reaction, absorption or adsorption involved in this sensing process. The gas sensors of this invention may be manufactured by lithographic micromachining techniques at very low cost, and they can be easily integrated with controller and signal processing circuits to upgrade to smart microsensors. Further, in an alternative embodiment, a micro-actuator to control the gap between the two electrodes is integrated with the sensors. In another alternative embodiment, a third electrode may be mounted so as to control the intensity of the electric field.
    • 提供了固态气体传感器,其使用允许定量测量气体污染物或正在监视的气体或大气的组成变化。 气体传感器至少包括基座,第一电极,第二电极。 第一电极具有微细的端部,以增强第一和第二电极之间的间隙中的电场强度。 感测是基于污染气体和大气的分子之间的电离电位差。 当向电极施加高电压时,其在电极之间产生强电场,特别是在第一电极的锥形端周围的非常强的电场。 当电位足够高时,第一电极的锥形端附近的气体将被离子化。 通过电离产生的离子和电子产生电流在两个电极之间并跨过间隙流动。 这种电流随气体污染或气体组成变化的变化被用作感测信号。 与其他气体传感器不同,在该感测过程中不存在化学反应,吸收或吸附。 本发明的气体传感器可以通过非常低成本的光刻微加工技术制造,并且可以容易地与控制器和信号处理电路集成以升级到智能微传感器。 此外,在替代实施例中,用于控制两个电极之间的间隙的微致动器与传感器集成。 在另一替代实施例中,可以安装第三电极以便控制电场的强度。
    • 7. 发明授权
    • Disk drive component test system
    • 磁盘驱动器组件测试系统
    • US08432630B1
    • 2013-04-30
    • US12828086
    • 2010-06-30
    • Tao LinGang Lin
    • Tao LinGang Lin
    • G11B27/36G01R33/12
    • G11B5/455G11B5/09
    • A hard drive component test system is provided. The hard drive component test system includes a rack having multiple test bays with first test sub-assemblies mounted in respective ones of the of test bays. A test control system is electrically coupled to each of the first test sub-assemblies. Each of the test bays is configured to receive a second test sub-assembly and to engage the second test sub-assembly with the first test sub-assembly mounted in the respective bay to form a drive assembly. The test control system is configured to selectively execute a test process on the drive assemblies mounted in the rack.
    • 提供了硬盘驱动器组件测试系统。 硬盘驱动器部件测试系统包括具有多个测试托架的机架,其中第一测试子组件安装在相应的测试托架中。 测试控制系统电耦合到每个第一测试子组件。 每个测试托架被配置成接收第二测试子组件并使第二测试子组件与安装在相应的间隔中的第一测试子组件接合以形成驱动组件。 测试控制系统被配置为在安装在机架中的驱动器组件上选择性地执行测试过程。
    • 9. 发明授权
    • Volume-based incremental backup and recovery of files
    • 基于卷的增量备份和文件恢复
    • US07284104B1
    • 2007-10-16
    • US10610134
    • 2003-06-30
    • Weibao WuAnand A. KekreGang Lin
    • Weibao WuAnand A. KekreGang Lin
    • G06F12/16
    • G06F11/1451G06F11/1458G06F11/1469G06F2201/84Y10S707/99953Y10S707/99955
    • Various embodiments of systems and methods for performing volume-based incremental backups are disclosed. A method may involve generating a snappoint of a volume. The snappoint indicates which portions (e.g., blocks or extents) of the volume have been modified between a time at which the snappoint was generated and a time at which a subsequent snappoint was generated. The method may also involve accessing information mapping the file to the volume and, if the snappoint identifies as having been modified any blocks of the volume to which the file maps, copying those blocks from the subsequent snappoint to the backup device. Portions not identified as having been modified by the snappoint are not copied. Program instructions implementing such a method may be stored on a computer accessible medium.
    • 公开了用于执行基于卷的增量备份的系统和方法的各种实施例。 一种方法可以涉及产生卷的snappoint。 snappoint指示在生成snappoint的时间和生成后续snappoint的时间之间已经修改了卷的哪些部分(例如,块或扩展盘)。 该方法还可以涉及访问将文件映射到卷的信息,并且如果snappoint识别为文件映射到的卷的任何块的任何块,则将这些块从后续snappoint复制到备份设备。 未被识别为被snappoint修改的部分不被复制。 实现这种方法的程序指令可以存储在计算机可访问介质上。