PRESSURE SENSOR

[Problem] To improve the precision of detecting a pressing force with a pressure sensor. [Solution] In a pressure sensor 3, a pressure-sensitive layer 17 faces a first electrode pattern 21A and a second electrode pattern 21B with a space interposed therebetween. The first electrode pattern 21A inclu...

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Bibliographische Detailangaben
Hauptverfasser: IMAE, Naoto, SHIMIZU, Kenichi, MORITA, Jumpei
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:[Problem] To improve the precision of detecting a pressing force with a pressure sensor. [Solution] In a pressure sensor 3, a pressure-sensitive layer 17 faces a first electrode pattern 21A and a second electrode pattern 21B with a space interposed therebetween. The first electrode pattern 21A includes a plurality of first electrode sections 31, a first interconnecting section 33 that interconnects the plurality of first electrode sections 31, and a first wiring section 35 that extends from a first end 37 of the first interconnecting section 33. The second electrode pattern 21B includes a plurality of second electrode sections 41 disposed alternately with the first electrode sections 31, a second interconnecting section 43 that interconnects the plurality of second electrode sections 41, and a second wiring section 45 that extends from a second end 49 of the second interconnecting section 43. The second wiring section 45 extends such that the resistance of the conduction path between an output terminal of the first wiring section 35 and an output terminal of the second wiring section 45 is substantially the same for any adjacent pairs of the first electrode sections 31 and the second electrode sections 41 when the first electrode section 31 and the second electrode section 41 conduct with each other via the pressure-sensitive layer 17.