National Institute of Advanced Industrial Science and Technology

Hitachi Chemical Company, Ltd.

Yuji Kawanishi

Yutaka Hayashi

Hidehiro Nakamura

Tooru Nakamura

This invention provides a sensor having such a structure that the area in which a sensor electrode comes into contact with a liquid, a mist or a gas containing an analyte has been previously specified. The sensor comprises at least an electroconductive first electrode, an electroconductive second electrode, electroconductive first and second wirings connected to the first and second electrodes, and an insulating part for insulating the first and second wirings from each other and from a liquid, a mist or a gas containing the analyte. The insulating part is formed of an organic material. In the first and second electrodes, at least the surface, which comes into contact with a liquid, a mist or a gas containing the analyte, is formed of a material which is insoluble in a liquid or a mist containing the analyte, or is not attacked by a gas containing the analyte.

Sensor, sensor system, portable sensor system, method of analyzing metal ions, mounting substrate, method of analyzing plating preventing chemical species, method of analyzing produced compound, and method of analyzing monovalent copper chemical species

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Ibaraki, Japan

Yuji Kawanishi