| 摘要 |
PROBLEM TO BE SOLVED: To provide a biosensor to let a running humor running accurately penetrate directly into a through hole. SOLUTION: In this biosensor, a parallel surface facing a surface on which an electrode on a planar longitudinal rectangular base plate 36A comprising an insulation sheet made of a resin with the thickness of 0.2 mm, namely, a skin contact surface part is previously subjected to a hydrophobic treatment, a water repelling treatment or the like and a through hole 361a is formed. Then, a working pole 36c and a counter pole 36d are formed and a resist layer 36j leaving 36f and 36h. Then, a spacer plate 36B is arranged to form a recessed groove. Then, a cover plate 36C having a through hole 362b is laminated to make a sensor. Thus, a humor running after a puncturing through the through hole can accurately penetrate directly into the through hole without getting into a clearance between the sensor and the skin.
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