Dielectrophoretic columnar focusing device
    1.
    发明授权
    Dielectrophoretic columnar focusing device 有权
    介电泳柱状聚焦装置

    公开(公告)号:US07713395B1

    公开(公告)日:2010-05-11

    申请号:US11401714

    申请日:2006-04-11

    IPC分类号: G01N27/453

    CPC分类号: B03C5/026

    摘要: A dielectrophoretic columnar focusing device uses interdigitated microelectrodes to provide a spatially non-uniform electric field in a fluid that generates a dipole within particles in the fluid. The electric field causes the particles to either be attracted to or repelled from regions where the electric field gradient is large, depending on whether the particles are more or less polarizable than the fluid. The particles can thereby be forced into well defined stable paths along the interdigitated microelectrodes. The device can be used for flow cytometry, particle control, and other process applications, including cell counting or other types of particle counting, and for separations in material control.

    摘要翻译: 介电电泳柱状聚焦装置使用交叉指向的微电极在流体中的颗粒内产生偶极子的流体中提供空间不均匀的电场。 电场导致颗粒被电场梯度大的区域吸引或排斥,这取决于颗粒是否比流体多或少极化。 因此,颗粒可以沿着交叉指示的微电极被强制进入明确定义的稳定路径。 该装置可用于流式细胞术,粒子控制和其他过程应用,包括细胞计数或其他类型的颗粒计数,以及材料控制中的分离。

    ION CHAMBER BASED NEUTRON DETECTORS
    3.
    发明申请
    ION CHAMBER BASED NEUTRON DETECTORS 有权
    基于离子室的中子探测器

    公开(公告)号:US20130020492A1

    公开(公告)日:2013-01-24

    申请号:US13559370

    申请日:2012-07-26

    IPC分类号: G01T3/00

    CPC分类号: G01T3/008 G01T3/00 H01J47/02

    摘要: A neutron detector with monolithically integrated readout circuitry, including: a bonded semiconductor die; an ion chamber formed in the bonded semiconductor die; a first electrode and a second electrode formed in the ion chamber; a neutron absorbing material filling the ion chamber; and the readout circuitry which is electrically coupled to the first and second electrodes. The bonded semiconductor die includes an etched semiconductor substrate bonded to an active semiconductor substrate. The readout circuitry is formed in a portion of the active semiconductor substrate. The ion chamber has a substantially planar first surface on which the first electrode is formed and a substantially planar second surface, parallel to the first surface, on which the second electrode is formed. Desirably, the distance between the first electrode and the second electrode may be equal to or less than the 50% attenuation length for neutrons in the neutron absorbing material filling the ion chamber.

    摘要翻译: 一种具有单片集成读出电路的中子检测器,包括:键合半导体管芯; 形成在所述键合半导体管芯中的离子室; 形成在所述离子室中的第一电极和第二电极; 填充离子室的中子吸收材料; 以及电耦合到第一和第二电极的读出电路。 键合的半导体管芯包括结合到有源半导体衬底的蚀刻半导体衬底。 读出电路形成在有源半导体衬底的一部分中。 离子室具有基本上平面的第一表面,第一电极形成在其上,并且平行于第一表面的基本平坦的第二表面,在其上形成第二电极。 理想地,第一电极和第二电极之间的距离可以等于或小于填充离子室的中子吸收材料中的中子的50%的衰减长度。

    Ion chamber based neutron detectors
    4.
    发明授权
    Ion chamber based neutron detectors 有权
    基于离子室的中子探测器

    公开(公告)号:US08912502B2

    公开(公告)日:2014-12-16

    申请号:US13559370

    申请日:2012-07-26

    IPC分类号: G01T3/00 H01J47/02

    CPC分类号: G01T3/008 G01T3/00 H01J47/02

    摘要: A neutron detector with monolithically integrated readout circuitry, including: a bonded semiconductor die; an ion chamber formed in the bonded semiconductor die; a first electrode and a second electrode formed in the ion chamber; a neutron absorbing material filling the ion chamber; and the readout circuitry which is electrically coupled to the first and second electrodes. The bonded semiconductor die includes an etched semiconductor substrate bonded to an active semiconductor substrate. The readout circuitry is formed in a portion of the active semiconductor substrate. The ion chamber has a substantially planar first surface on which the first electrode is formed and a substantially planar second surface, parallel to the first surface, on which the second electrode is formed. The distance between the first electrode and the second electrode may be equal to or less than the 50% attenuation length for neutrons in the neutron absorbing material filling the ion chamber.

    摘要翻译: 一种具有单片集成读出电路的中子检测器,包括:键合半导体管芯; 形成在所述键合半导体管芯中的离子室; 形成在所述离子室中的第一电极和第二电极; 填充离子室的中子吸收材料; 以及电耦合到第一和第二电极的读出电路。 键合的半导体管芯包括结合到有源半导体衬底的蚀刻半导体衬底。 读出电路形成在有源半导体衬底的一部分中。 离子室具有基本上平面的第一表面,第一电极形成在其上,并且平行于第一表面的基本平坦的第二表面,在其上形成第二电极。 第一电极和第二电极之间的距离可以等于或小于填充离子室的中子吸收材料中的中子的50%衰减长度。

    Micro-unmanned aerodynamic vehicle
    6.
    发明授权
    Micro-unmanned aerodynamic vehicle 有权
    微型无人机动力车

    公开(公告)号:US07341222B1

    公开(公告)日:2008-03-11

    申请号:US11100592

    申请日:2005-04-07

    IPC分类号: B64C33/00

    摘要: A MEMS-based micro-unmanned vehicle includes at least a pair of wings having leading wing beams and trailing wing beams, at least two actuators, a leading actuator beam coupled to the leading wing beams, a trailing actuator beam coupled to the trailing wing beams, a vehicle body having a plurality of fulcrums pivotally securing the leading wing beams, the trailing wing beams, the leading actuator beam and the trailing actuator beam and having at least one anisotropically etched recess to accommodate a lever-fulcrum motion of the coupled beams, and a power source.

    摘要翻译: 一种基于MEMS的微型无人驾驶车辆包括至少一对具有前翼梁和后翼梁的机翼,至少两个致动器,连接到前翼梁的前导执动器梁,耦合到后翼梁 具有多个支点的车体,其枢转地固定前翼梁,后翼梁,前导致器梁和拖尾致动器梁,并且具有至少一个各向异性蚀刻的凹部以适应联接梁的杠杆支点运动, 和电源。

    Fluid ejection systems and methods with secondary dielectric fluid
    7.
    发明授权
    Fluid ejection systems and methods with secondary dielectric fluid 有权
    流体喷射系统和方法与二次介质流体

    公开(公告)号:US06406130B1

    公开(公告)日:2002-06-18

    申请号:US09785160

    申请日:2001-02-20

    IPC分类号: B41J204

    CPC分类号: B41J2/14314 B41J2002/041

    摘要: A fluid ejection system according to this invention operates on the principle of electrostatic or magnetic attraction. In various exemplary embodiments, the fluid ejection system includes a sealed diaphragm arrangement having at least one diaphragm portion and a diaphragm chamber defined at least partially by the at least one diaphragm portion, a nozzle hole located over the at least one diaphragm portion, an ejection chamber defined between the nozzle hole and the least one diaphragm portion and a secondary dielectric fluid reservoir containing a secondary dielectric fluid. The ejection chamber receives a primary fluid to be ejected. The secondary dielectric fluid reservoir is in fluid communication with the diaphragm chamber to supply the secondary dielectric fluid to the diaphragm chamber. In various exemplary embodiments, the secondary dielectric fluid is a liquid, a substantially incompressible fluid, and/or a high performance dielectric fluid having a dielectric constant greater than 1.

    摘要翻译: 根据本发明的流体喷射系统基于静电或磁吸引的原理进行操作。 在各种示例性实施例中,流体喷射系统包括密封隔膜装置,其具有至少一个隔膜部分和至少部分地由至少一个隔膜部分限定的隔膜室,位于至少一个隔膜部分上方的喷嘴孔, 限定在喷嘴孔和至少一个隔膜部分之间的腔室以及包含第二介电流体的次级介质流体储存器。 喷射室接收要喷射的主要流体。 次级介质流体储存器与隔膜室流体连通,以将次级介质流体供应到隔膜室。 在各种示例性实施例中,次级介电流体是具有大于1的介电常数的液体,基本上不可压缩的流体和/或高性能介电流体。

    MEMS fluidic actuator
    8.
    发明授权
    MEMS fluidic actuator 有权
    MEMS流体致动器

    公开(公告)号:US07246524B1

    公开(公告)日:2007-07-24

    申请号:US11120843

    申请日:2005-05-02

    IPC分类号: G01L7/08

    摘要: The present invention comprises a novel, lightweight, massively parallel device comprising microelectromechanical (MEMS) fluidic actuators, to reconfigure the profile, of a surface. Each microfluidic actuator comprises an independent bladder that can act as both a sensor and an actuator. A MEMS sensor, and a MEMS valve within each microfluidic actuator, operate cooperatively to monitor the fluid within each bladder, and regulate the flow of the fluid entering and exiting each bladder. When adjacently spaced in a array, microfluidic actuators can create arbitrary surface profiles in response to a change in the operating environment of the surface. In an embodiment of the invention, the profile of an airfoil is controlled by independent extension and contraction of a plurality of actuators, that operate to displace a compliant cover.

    摘要翻译: 本发明包括一种新颖的,重量轻的大规模并行装置,其包括微机电(MEMS)流体致动器,以重新配置表面。 每个微流体致动器包括可以充当传感器和致动器两者的独立囊。 每个微流体致动器内的MEMS传感器和MEMS阀协同操作以监测每个气囊内的流体,并且调节进入和离开每个气囊的流体的流动。 当阵列相邻间隔时,微流体致动器可以响应于表面的操作环境的变化而产生任意的表面轮廓。 在本发明的一个实施例中,翼型件的轮廓由多个致动器的独立的伸缩来控制,这些致动器用于移动柔性盖。

    Piston-driven fluid-ejection apparatus
    10.
    发明授权
    Piston-driven fluid-ejection apparatus 失效
    活塞驱动的流体喷射装置

    公开(公告)号:US06886916B1

    公开(公告)日:2005-05-03

    申请号:US10600008

    申请日:2003-06-18

    IPC分类号: B41J2/14 B41J2/04

    CPC分类号: B41J2/14314

    摘要: A surface-micromachined fluid-ejection apparatus is disclosed which utilizes a piston to provide for the ejection of jets or drops of a fluid (e.g. for ink-jet printing). The piston, which is located at least partially inside a fluid reservoir, is moveable into a cylindrical fluid-ejection chamber connected to the reservoir by a microelectromechanical (MEM) actuator which is located outside the reservoir. In this way, the reservoir and fluid-ejection chamber can be maintained as electric-field-free regions thereby allowing the apparatus to be used with fluids that are electrically conductive or which may react or break down in the presence of a high electric field. The MEM actuator can comprise either an electrostatic actuator or a thermal actuator.

    摘要翻译: 公开了一种表面微机械流体喷射装置,其利用活塞来提供喷射或液滴的喷射(例如用于喷墨打印)。 至少部分地位于流体储存器内部的活塞可通过位于储存器外部的微机电(MEM)致动器移动到连接到储存器的圆柱形流体排出室中。 以这种方式,储存器和流体喷射室可以保持为无电场区域,从而允许该装置与导电的流体一起使用或者可能在存在高电场的情况下反应或分解。 MEM致动器可以包括静电致动器或热致动器。