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    • 41. 发明授权
    • Using coulomb forces to study charateristics of fluids and biological samples
    • 使用库仑力学研究流体和生物样品的特征
    • US08008070B2
    • 2011-08-30
    • US11952984
    • 2007-12-07
    • Thaddeus John Gabara
    • Thaddeus John Gabara
    • C12M1/33
    • G01N13/00G01N13/02H01L2224/48227H01L2924/01019H01L2924/01079H01L2924/10253H01L2924/1461H01L2924/19041H01L2924/30107H01L2924/3011H01L2924/3025H01L2924/00
    • A LoC (Lab on a Chip) is described to analyze surface properties of fluid drops. Substrates with cavities near the edge are filled with fluids that have a contact angle greater than 90°. The surfaces of two different drops can be brought in contact with one another by using Coulomb forces. Several experiments can be carried out while the drops are in contact: the concentration of the fluid in each drop can be altered, tangential and normal forces can be applied to the contact surface, voltage differences across and current flow through the contact surface can be monitored. MEMS pumps can be used to mix reagents or buffers with the fluid to determine the protein concentration or to extract DNA from whole cells, respectively. Substrates holding optical components can be used to align fibers with either lasers or receivers. The alignment is automatic and controlled by a control unit.
    • 描述了LoC(芯片实验室)来分析液滴的表面性质。 具有靠近边缘的空腔的衬底填充有接触角大于90°的流体。 两个不同液滴的表面可以通过使用库仑力相互接触。 可以在液滴接触时进行几个实验:可以改变每个液滴中的流体浓度,可以将切向和法向力施加到接触表面,可监测通过接触表面的电流差异和流过接触表面的电流。 。 可以使用MEMS泵将试剂或缓冲液与流体混合以确定蛋白质浓度或分别从全细胞中提取DNA。 保持光学部件的基板可用于将光纤与激光器或接收器对准。 对位是自动的,由控制单元控制。
    • 46. 发明授权
    • Asymmetrical current steering output driver with compact dimensions
    • 不对称电流转向输出驱动器,尺寸紧凑
    • US06294947B1
    • 2001-09-25
    • US09087538
    • 1998-05-29
    • Thaddeus John Gabara
    • Thaddeus John Gabara
    • H03K1762
    • H03K17/693H03K17/6871H03K19/00361H03K19/017581
    • A current output circuit with two output nodes connectable to a load and providing a plurality of discretely selectable current output magnitudes is provided. The circuit consists of a current driver attached across the output nodes supplying a particular current and one or more bypass resistors connected in parallel with the output nodes that can be switched between a non-conducting state and a resistive conducting state. When a load is connected across said output nodes, the particular magnitude of current sourced through the load can be selected by switching the state of the bypass resistors. The magnitude of the bypass resistors is preselected to provide several discretely selectable states of output current of substantial equal steps. The current driver can be combined with a current switch to increase the number of output states. Several current drivers with current switches may be provided and the bypass resistors integrated into the current switch itself.
    • 提供具有可连接到负载并且提供多个可离散选择的电流输出幅度的两个输出节点的电流输出电路。 该电路由连接在输出节点上的电流驱动器组成,该电流驱动器提供特定电流和一个或多个旁路电阻器,该旁路电阻器与输出节点并联连接,该输出节点可在非导通状态和导通状态之间切换。 当负载连接在所述输出节点之间时,可以通过切换旁路电阻的状态来选择通过负载的电流的特定大小。 预先选择旁路电阻的大小以提供几个相当步骤的输出电流的离散选择状态。 当前驱动器可以与电流开关组合以增加输出状态的数量。 可以提供具有电流开关的几个电流驱动器,并且旁路电阻器集成到电流开关本身中。