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    • 1. 发明授权
    • Gas sensor with pH-sensitive FET transducer
    • 具有pH敏感型FET传感器的气体传感器
    • US4409980A
    • 1983-10-18
    • US293304
    • 1981-08-17
    • Makoto YanoKiyoo ShimadaKyoichiro Shibatani
    • Makoto YanoKiyoo ShimadaKyoichiro Shibatani
    • G01N27/00A61B5/00G01N27/404G01N27/414H01L29/78
    • A61B5/1473A61B5/14542G01N27/4141
    • A gas sensor which includes a reference electrode deposited on the surface of a pH-sensitive transducer having a gate-insulated field-effect transistor (FET) structure and adjacent a gate region of the FET, the transducer and reference electrode being housed in a flexible tube so that the gate region of the FET is located in an opening provided at the front end of or on the side wall of the tube. Lead wires connected to the FET and to the reference electrode extend along the tube. Between the inner wall of the tube and lead-wire FET bonding part is placed electrical insulation resin filling to stop the tube. A hydrophilic polymer layer containing electrolyte is provided which at least extends over both the FET gate region and a part of the reference electrode. A gas permeable membrane is laid over the polymer layer.
    • 一种气体传感器,包括沉积在具有栅极绝缘场效应晶体管(FET)结构并且邻近FET的栅极区域的pH敏感传感器的表面上的参考电极,换能器和参考电极被容纳在柔性 管,使得FET的栅极区域位于设置在管的侧壁的前端或其侧壁上的开口中。 连接到FET和参考电极的引线沿管延伸。 在管内壁和引线FET接合部分之间放置电绝缘树脂填充以停止管。 提供了含有电解质的亲水性聚合物层,其至少在FET栅极区域和参考电极的一部分上延伸。 将透气膜铺设在聚合物层上。
    • 9. 发明授权
    • Chemical substance measuring apparatus
    • 化学物质测量仪器
    • US4568444A
    • 1986-02-04
    • US724641
    • 1985-04-18
    • Michihiro NakamuraMakoto YanoHidehiko IkeyaHiroshi TsurumiOsamu KusudoYoshito Hamamoto
    • Michihiro NakamuraMakoto YanoHidehiko IkeyaHiroshi TsurumiOsamu KusudoYoshito Hamamoto
    • G01N27/401G01N27/30G01N27/403G01N27/50
    • G01N27/4035
    • An apparatus for measuring the quantities of chemical substances contained in a solution to be assayed by using a chemical-substance sensitive sensor consists of a potentiometric electrode which responds selectively to chemical substances, and a liquid-junction type reference electrode including a tube, a porous thread member housed in the front end opening of the tube and having a pore capacity of 0.2 cc/g or more and at least the surface of which is hydrophilic, a silver-silver chloride wire is provided and housed in the tube so that at one end of the wire is in contact with the thread member and the wire which extends along the tube. The wire is connected to a connector at the other end opening of the tube, an electrical insulating resin fills said tube, at least at the front end portion thereof, for fixing both the silver-silver chloride wire and the thread member by contact therewith and for stopping said tube. An internal solution is retained by suction in said porous thread member. This apparatus is advantageously used for monitoring the living body and may be thermally sterilized.
    • 用于测量通过使用化学物质敏感传感器测定的溶液中所含的化学物质的量的装置由选择性地对化学物质作出响应的电位电极和包括管的液体接合型参比电极,多孔 螺纹构件容纳在管的前端开口中,孔容量为0.2cc / g以上,至少其表面为亲水性,银 - 氯化银线被提供并容纳在管中,使得在一个 线的端部与螺纹构件和沿着管延伸的线接触。 导线连接到管的另一端开口处的连接器,电绝缘树脂至少在其前端部填充所述管,用于通过与其接触固定银 - 氯化银线和线构件, 用于停止所述管。 内部溶液通过吸力保持在所述多孔螺纹构件中。 该装置有利地用于监测生物体并且可以被热灭菌。