Tunneling magneto-resistive device with set/reset and offset straps
    3.
    发明授权
    Tunneling magneto-resistive device with set/reset and offset straps 有权
    带固定/复位和偏置带的隧道磁阻元件

    公开(公告)号:US09417297B2

    公开(公告)日:2016-08-16

    申请号:US13398496

    申请日:2012-02-16

    IPC分类号: G01R33/02 G01R33/09

    CPC分类号: G01R33/098 G01R33/09

    摘要: A sensing device exhibits a tunneling magneto-resistive (TMR) effect, and changes electrical resistance in response to a magnetic field. A first current carrying conductor is positioned in proximity to the TMR sensing device, such that upon an application of a sufficient current, a magnetic field is generated. The magnetic field is sufficiently strong and properly oriented so as to cause a magnetization of a soft magnetic layer of the TMR sensing device, thereby causing a change of the TMR sensing device from one bi-stable state to another bi-stable state.

    摘要翻译: 感测装置呈现隧道磁阻(TMR)效应,并响应于磁场改变电阻。 第一载流导体位于TMR感测装置附近,使得在施加足够的电流时,产生磁场。 磁场足够强并且被适当地定向以便引起TMR感测装置的软磁性层的磁化,从而导致TMR感测装置从一个双稳态到另一个双稳态的改变。

    Fluid sensing and control in a fluidic analyzer
    5.
    发明授权
    Fluid sensing and control in a fluidic analyzer 有权
    流体分析仪中的流体感测和控制

    公开(公告)号:US08518328B2

    公开(公告)日:2013-08-27

    申请号:US11306402

    申请日:2005-12-27

    IPC分类号: G01N21/00

    摘要: Instrument-cartridge interfaces for fluidic analyzers that have an instrument and a removable cartridge are disclosed. For example, and in one illustrative embodiment, the instrument may include a needle that is adapted to penetrate a septum on a removable cartridge. In another illustrative embodiment, the instrument may include a plunger that is adapted to deform a deformable membrane on a removable cartridge. In yet another illustrative embodiment, the instrument may include a nozzle that is adapted to mate and seal with a flow channel on a removable cartridge. Techniques for detecting the flow rate in a flow channel on a removable cartridge, as well as the position of fluid in a flow channel of a removable cartridge, are also disclosed.

    摘要翻译: 公开了具有仪器和可移除盒的流体分析仪的盒式磁带接口。 例如,在一个说明性实施例中,仪器可以包括适于穿透可移除盒的隔膜的针。 在另一说明性实施例中,仪器可以包括适于使可移除盒上的可变形膜变形的柱塞。 在另一个说明性实施例中,仪器可以包括适于与可移除盒上的流动通道配合和密封的喷嘴。 还公开了用于检测可移除盒上的流动通道中的流速以及可移除盒的流动通道中的流体位置的技术。

    Fluid free interface for a fluidic analyzer
    7.
    发明授权
    Fluid free interface for a fluidic analyzer 有权
    流体分析仪的无流体界面

    公开(公告)号:US07485153B2

    公开(公告)日:2009-02-03

    申请号:US11306401

    申请日:2005-12-27

    IPC分类号: G01D21/00

    摘要: Instrument-cartridge interfaces for fluidic analyzers that have an instrument and a removable cartridge are disclosed. For example, and in one illustrative embodiment, the instrument may include a needle that is adapted to penetrate a septum on a removable cartridge. In another illustrative embodiment, the instrument may include a plunger that is adapted to deform a deformable membrane on a removable cartridge. In yet another illustrative embodiment, the instrument may include a nozzle that is adapted to mate and seal with a flow channel on a removable cartridge. Techniques for detecting the flow rate in a flow channel on a removable cartridge, as well as the position of fluid in a flow channel of a removable cartridge, are also disclosed.

    摘要翻译: 公开了具有仪器和可移除盒的流体分析仪的盒式磁带接口。 例如,在一个说明性实施例中,仪器可以包括适于穿透可移除盒的隔膜的针。 在另一说明性实施例中,仪器可以包括适于使可移除盒上的可变形膜变形的柱塞。 在另一个说明性实施例中,仪器可以包括适于与可移除盒上的流动通道配合和密封的喷嘴。 还公开了用于检测可移除盒上的流动通道中的流速以及可移除盒的流动通道中的流体位置的技术。

    Raman detection based flow cytometer
    8.
    发明授权
    Raman detection based flow cytometer 有权
    基于拉曼检测的流式细胞仪

    公开(公告)号:US07333197B2

    公开(公告)日:2008-02-19

    申请号:US10991001

    申请日:2004-11-17

    IPC分类号: G01N21/00

    CPC分类号: G01N21/658 G01N15/147

    摘要: A method and apparatus for enabling chemical identification of individual particles, cells of molecules by obtaining a Raman spectrum of a particle, cell or molecule as it flows past a sensing point in a flow cytometer. The particles, which may be cells or molecules, are associated with a suitable noble metal colloid or colloidal aggregate. Cellular particles may be associated with gold or silver colloidal particles by ultra-sonic sonification while in a sample preparation reservoir containing the gold or silver colloidal suspension. The colloid associated particles are then hydrodynamically focused into a single file by a fluid control module. The surface-enhance Raman Spectrum of individual particles are obtained by illuminating the particle with a laser as the particle flows past a sensing point and gathering the light that is non-elastically scattered (Raman scattered) by the particle. The surface-enhanced Raman spectrum is then analyzed to identify the particle.

    摘要翻译: 一种方法和装置,用于通过在流式细胞计数器中流过感测点时获得粒子,细胞或分子的拉曼光谱,从而能够化学鉴定单个颗粒,分子细胞。 可以是细胞或分子的颗粒与合适的贵金属胶体或胶体聚集体相关联。 在含有金或银胶体悬浮液的样品制备储存器中,细胞颗粒可以通过超声波超声处理与金或银胶体颗粒结合。 然后通过流体控制模块将胶体相关颗粒流体动力聚焦成单个文件。 当颗粒流过感测点并通过颗粒收集非弹性散射(拉曼散射)的光时,通过用激光照射颗粒来获得单个颗粒的表面增强拉曼光谱。 然后分析表面增强拉曼光谱以鉴定颗粒。

    Tilt-insensitive flow sensor
    9.
    发明授权
    Tilt-insensitive flow sensor 有权
    倾斜不敏感流量传感器

    公开(公告)号:US07331224B2

    公开(公告)日:2008-02-19

    申请号:US11005968

    申请日:2004-12-07

    IPC分类号: G01F1/68

    摘要: A flow sensor is provided having a substrate with a sensing element and flow channel over the sensing element. The sensing element senses at least one property of a fluid. The flow channel is configured such that tilting the flow sensor does not have a significant effect on the measured signal. A device for measuring tilt in a system having a fluid flow path is also provided.

    摘要翻译: 提供了一种流量传感器,其具有在感测元件上方具有感测元件和流动通道的基底。 感测元件感测流体的至少一个性质。 流动通道被配置为使得流动传感器的倾斜对测量的信号没有显着影响。 还提供了一种用于测量具有流体流路的系统中的倾斜的装置。

    Thermal fluid flow sensor and method of forming same technical field
    10.
    发明授权
    Thermal fluid flow sensor and method of forming same technical field 失效
    热流体流量传感器及其形成方法技术领域

    公开(公告)号:US07255001B1

    公开(公告)日:2007-08-14

    申请号:US11493261

    申请日:2006-07-25

    IPC分类号: G01F1/68

    CPC分类号: G01F1/6845 G01F1/692

    摘要: A thermal fluid flow sensor and method of forming same. The flow sensor has an integrated circuit substrate, such as a silicon substrate, and a region of low thermal conductivity material carried on the top surface of the integrated circuit substrate. One or more pairs of temperature sensing elements are disposed on the low thermal conductivity region together with a heating element so that a robust flow sensor can be provided at low cost. Signal conditioning circuitry is disposed on the same surface as the temperature sensing elements and connected to the sensing elements thereby further reducing costs and improving the flow sensor sensitivity.

    摘要翻译: 热流体流量传感器及其形成方法。 流量传感器具有诸如硅衬底的集成电路衬底和承载在集成电路衬底的顶表面上的低热导率材料区域。 一对或多对温度感测元件与加热元件一起设置在低热导率区域上,从而可以以低成本提供鲁棒的流量传感器。 信号调理电路设置在与感温元件相同的表面上并连接到感测元件,从而进一步降低成本并提高流量传感器灵敏度。