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    • 9. 发明授权
    • Method of producing a probe for aspirating and dispensing probe having
surface sensing capability
    • 用于产生具有表面感测能力的吸引和分配探针的探针的方法
    • US5843378A
    • 1998-12-01
    • US790096
    • 1997-01-29
    • Amer El-HageRick V. Stellmacher
    • Amer El-HageRick V. Stellmacher
    • G01F23/24G01N35/10B01L3/02
    • G01N35/1009G01F23/24G01F23/245G01N2035/1025Y10T436/2575
    • A method of producing a probe for aspirating and dispensing liquid. A fluid conduit and rod are positioned in the central bore of a tube so that an inlet end of the conduit and a contact end of the rod protrude from an upper end of the tube and a discharge end of the conduit and a sensing end of the rod protrude from a lower end of the tube. The tube has a heat-shrinkable outer layer and a meltable inner layer. The tube is heated so that its outer layer shrinks and its inner layer melts to encapsulate middle portions of the conduit and rod. A circuit board having first and second traces and first and second holes is placed on the upper end of the tube so that the inlet end of the conduit is inserted through the first hole and the contact end of the rod is inserted through the second hole. The conduit and rod are attached to the board so that the conduit is electrically connected to the first trace and the rod is electrically connected to the second trace. First and second conducting pins are also attached to the board. The conducting pins electrically connect the traces to a voltage sensing circuit when the probe is attached to a probe positioning device.
    • 一种生产用于吸入和分配液体的探针的方法。 流体导管和杆定位在管的中心孔中,使得导管的入口端和杆的接触端从管的上端突出并且管的排出端和导管的感测端 杆从管的下端突出。 该管具有可热收缩的外层和可熔融的内层。 加热管,使其外层收缩,其内层熔化以封装导管和棒的中间部分。 具有第一和第二迹线和第一和第二孔的电路板被放置在管的上端,使得导管的入口端插入穿过第一孔,并且杆的接触端插入穿过第二孔。 管道和杆被附接到板,使得导管电连接到第一迹线,并且杆电连接到第二迹线。 第一和第二导电引脚也连接到电路板。 当探针附接到探针定位装置时,导电引脚将迹线电连接到电压感测电路。