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    • 8. 发明授权
    • Fuel cell control valve
    • 燃料电池控制阀
    • US07887968B2
    • 2011-02-15
    • US11688139
    • 2007-03-19
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • Alan J. JacobsenJennifer J. ZinckLeslie A. MomodaMichael W. Murphy
    • H01M8/04
    • H01M8/04201F16K31/002
    • A flow control valve for a fuel cell that has particular application for controlling the flow of cathode air through a cathode flow channel of the fuel cell. The valve includes an element that controls the flow through the flow channel in response to changes in the voltage potential of the fuel cell. The valve includes a shape memory alloy wire and a flow control element secured to both ends of the shape memory alloy wire. The ends of the wire are also coupled to the anode and cathode of the fuel cell. When no current is flowing through the wire, the flow control element holds the wire in a pre-strained condition. If the voltage generated by the fuel cell increases, the current passing through the wire will heat the wire and cause it to shrink or contract which forces the flow control element into the flow path.
    • 一种用于燃料电池的流量控制阀,其特别用于控制通过燃料电池的阴极流动通道的阴极空气的流动。 阀包括响应于燃料电池的电压电位的变化来控制通过流动通道的流动的元件。 阀包括形状记忆合金线和固定到形状记忆合金线的两端的流量控制元件。 导线的端部也耦合到燃料电池的阳极和阴极。 当没有电流流过电线时,流量控制元件将电线保持在预应变状态。 如果燃料电池产生的电压增加,则通过电线的电流将加热电线并使其收缩或收缩,这迫使流量控制元件进入流动路径。
    • 10. 发明授权
    • Excimer laser ablation method and apparatus for microcircuit fabrication
    • 准分子激光烧蚀法和微电路制造装置
    • US5018164A
    • 1991-05-21
    • US405940
    • 1989-09-12
    • Peter D. BrewerJennifer J. Zinck
    • Peter D. BrewerJennifer J. Zinck
    • B23K26/00B23K26/06H01L21/302H01L21/36H01L21/428H01L21/461
    • H01L21/461H01L21/428
    • A pulsed beam from an excimer laser is used for precision ablation of cadmium telluride (CdTe) and other materials to fabricate and delineate devices in electronic microcircuit structures. The fluence of the beam may be adjusted to selectively remove one constituent of the material, such as cadmium vs. tellurium, at a higher rate than the other constituent, while maintaining the integrity of the material surface. The beam may selectively remove an epitaxial layer of CdTe, CdZnTe, or HgCdTe from a GaAs substrate. The beam may be directed through a projection mask and optical system onto a material to form an image for patterned ablation. The optical system may focus an image of the mask on the material to form vertical sidewall patterns, or slightly defocus the image to form curved sidewall patterns and/or concave and convex lens structures for optical arrays.
    • 来自准分子激光器的脉冲光束用于碲化镉(CdTe)和其他材料的精密烧蚀,以制造和描绘电子微电路结构中的器件。 在保持材料表面的完整性的同时,可以调整光束的注量,以便以比其他成分更高的速率选择性地去除材料的一种成分,例如镉对碲。 光束可以从GaAs衬底选择性地去除CdTe,CdZnTe或HgCdTe的外延层。 光束可以通过投影掩模和光学系统被引导到材料上以形成用于图案化消融的图像。 光学系统可以将掩模的图像聚焦在材料上以形成垂直的侧壁图案,或者将图像稍微散焦以形成用于光学阵列的弯曲的侧壁图案和/或凹凸透镜结构。