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    • 33. 发明公开
    • A method of making a microfluidic device
    • Verfahren zum Herstellen einer mikrofluidischen Vorrichtung
    • EP2554510A2
    • 2013-02-06
    • EP12177755.1
    • 2012-07-25
    • Teledyne Dalsa Semiconductor Inc.
    • Johnstone, RobertMartel, Stéphane
    • B81C1/00
    • B81C1/00182B81B2201/054B81C2201/019B81C2203/0735
    • A microfabricated device is fabricated by depositing a first metal layer on a substrate to provide a first electrode of an electrostatic actuator, depositing a first structural polymer layer over the first metal layer, depositing a second metal layer over said first structural polymer layer to form a second electrode of the electrostatic actuator, depositing an insulating layer over said first structural polymer layer, planarizing the insulating layer, etching the first structural polymer layer through the insulating layer and the second metal layer to undercut the second metal layer, providing additional pre-formed structural polymer layers, at least one of which has been previously patterned, and finally bonding the additional structural layers in the form of a stack over the planarized second insulating layer to one or more microfluidic channels. The technique can also be used to make cross over channels in devices without electrostatic actuators, in which case the metal layers can be omitted.
    • 通过在衬底上沉积第一金属层以提供静电致动器的第一电极,在第一金属层上方沉积第一结构聚合物层,在第一结构聚合物层上方沉积第二金属层以形成微结构聚合物层 静电致动器的第二电极,在所述第一结构聚合物层上沉积绝缘层,平坦化绝缘层,通过绝缘层和第二金属层蚀刻第一结构聚合物层以切割第二金属层,提供额外的预形成 结构聚合物层,其中至少一个已经被预先图案化,并且最后将平坦化的第二绝缘层上的堆叠形式的附加结构层结合到一个或多个微流体通道。 该技术还可以用于在没有静电致动器的装置中跨越通道,在这种情况下可以省略金属层。