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    • 2. 发明授权
    • Extensible spiral for flex circuit
    • 用于柔性电路的可扩展螺旋
    • US07275562B2
    • 2007-10-02
    • US09981840
    • 2001-10-17
    • Phillip W. BarthKevin Killeen
    • Phillip W. BarthKevin Killeen
    • E03B11/00F17D1/00
    • H05K1/118G02B6/125G02B6/13G02B6/4453Y10T137/86348
    • A planar extensible structure in a flat planar flex circuit can be extended out of the plane of the circuit by a distance of more than the width of the structure to carry fluids, electrical signals or optical signals into and out of the circuit. The planar extensible structure may be an Archimedes spiral, a parabolic spiral, a polygonal spiral, a non-spiral extensible shape, or other extensible shape. The invention can be used to siphon fluid samples from each well in a multiple-well microtiter plate into a microfluidic manifold for utility in chemical and biochemical analysis. The invention can also be used to allow electrical interconnect between adjacent circuits or circuit boards, and can allow signals carried in optical fibers to be transferred between optical circuits in different planes.
    • 平面平面柔性电路中的平面可延伸结构可以延伸出电路平面的距离大于结构的宽度,以将流体,电信号或光信号传入和流出电路。 平面可延伸结构可以是阿基米德螺旋,抛物线螺旋,多边形螺旋,非螺旋形可伸展形状或其它可延伸形状。 本发明可用于将来自多孔微量滴定板中的每个孔的流体样品虹吸到微流控歧管中,用于化学和生物化学分析。 本发明还可以用于允许相邻电路或电路板之间的电互连,并且可以允许光纤中承载的信号在不同平面中的光电路之间传输。
    • 3. 发明授权
    • Capillary fluid switch with asymmetric bubble chamber
    • 具有不对称气泡室的毛细管流体开关
    • US06360775B1
    • 2002-03-26
    • US09221655
    • 1998-12-23
    • Phillip W. BarthLeslie A. FieldDavid K. Donald
    • Phillip W. BarthLeslie A. FieldDavid K. Donald
    • F15C104
    • G02B26/004G02B6/3538G02B6/3544G02B6/3576Y10T137/206Y10T137/2196Y10T137/2224
    • A switching device for controlling fluid motion. The device includes a capillary filled with a first fluid into which a wall-confined bubble of a second fluid is introduced to achieve a first switching event. Capillary geometry and wetting properties provide a pressure-related asymmetric energy potential distribution for controlling the flow of the bubble, and the device is called an asymmetric bubble chamber, or ABC. The bubble is initially trapped in an energy potential well, and upon increase of its volume moves from the well into a region of low energy potential to achieve a second switching event. The first switching event may be blocking of a fluid channel or reflection of an optical beam in an optical crosspoint switch, while the second switching event may be unblocking of a fluid channel or restoration of transmission of an optical beam. The increase in bubble volume between the first and second switching events can act as the stroke of a fluidic piston to pump a volume the first fluid within the capillary. The device can be employed to thermally degas a liquid. The use of large-magnitude geometry-related energy potentials permits rapid cyclical operation of the device in a manner resistant to mechanical shock.
    • 一种用于控制流体运动的开关装置。 该装置包括填充有第一流体的毛细管,其中引入第二流体的壁限制气泡以实现第一切换事件。 毛细管几何形状和润湿性能提供了压力相关的不对称能量势能分布,用于控制气泡的流动,该装置称为不对称气泡室(ABC)。 气泡最初被捕获在能量势阱中,并且当其体积的增加从井移动到低能量潜能的区域以实现第二切换事件时。 第一切换事件可能阻塞光交叉点开关中的流体通道或光束的反射,而第二切换事件可以解除流体通道的阻塞或光束的传输恢复。 第一和第二切换事件之间的气泡体积的增加可以作为流体活塞的冲程来泵送毛细管内的第一流体的体积。 该装置可用于对液体进行热脱气。 使用大幅度几何相关的能量电位允许以机械冲击的方式快速地周期性地操作装置。
    • 5. 发明授权
    • Fluid property sensors incorporating plated metal rings for improved
packaging
    • 流体性能传感器包含电镀金属环,用于改进包装
    • US5581028A
    • 1996-12-03
    • US265084
    • 1994-06-23
    • Phillip W. BarthMichel G. GoedertErwin Littau
    • Phillip W. BarthMichel G. GoedertErwin Littau
    • G01P5/12G01F1/28G01F1/708G01F15/00G01F1/68
    • G01F15/00G01F1/28G01F1/708G01F1/7084
    • A semiconductor flow sensor provides a self-aligning seal between the sensor and a manifold carrying the fluid being measured. The sensor includes a sensing element and a semiconductor body having a fluid flow region formed therein. The sensing element crosses through a portion of the flow region and is supported by the semiconductor body. A characteristic of the fluid flowing through the flow region is measured by operation of the sensing element. A sealing ring integrally disposed on the semiconductor body surrounds the flow region and further provides a seal between the sensor and a manifold. To ensure accurate placement of the sealing ring with respect to the sensing element, the sealing ring is electroplated to the semiconductor body prior to formation of the flow region. A pressure and temperature stable seal between the sensor and the manifold is achieved by either compression of the sealing ring, or solder bonding of the sealing ring to the manifold. The direction of fluid flow relative to the flow sensor is either perpendicular or parallel to a plane formed by the sensor.
    • 半导体流量传感器在传感器和承载被测流体的歧管之间提供自对准密封。 传感器包括感测元件和形成有流体流动区域的半导体本体。 感测元件穿过流动区域的一部分并被半导体主体支撑。 通过感测元件的操作来测量流过流动区域的流体的特性。 整体设置在半导体主体上的密封环围绕流动区域并进一步在传感器和歧管之间提供密封。 为了确保密封环相对于感测元件的精确放置,在形成流动区域之前,将密封环电镀到半导体主体。 传感器和歧管之间的压力和温度稳定的密封通过密封环的压缩或密封环焊接到歧管来实现。 相对于流量传感器的流体流动的方向是垂直于或平行于由传感器形成的平面。