Touch sensor with improved pressure sensing characteristics

A pressure sensor includes a piezoelectric detection electrode, an insulating substrate, a piezoelectric base film, a piezoelectric detection electrode and an insulating substrate. The insulating substrate includes a top face and a bottom face on which the piezoelectric detection electrode is formed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kano, Hidekazu, Mori, Kenichi, Nakaji, Hiroyuki
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A pressure sensor includes a piezoelectric detection electrode, an insulating substrate, a piezoelectric base film, a piezoelectric detection electrode and an insulating substrate. The insulating substrate includes a top face and a bottom face on which the piezoelectric detection electrode is formed. The insulating substrate includes a top face and a bottom face on which the piezoelectric detection electrode is formed. The pressure sensor includes the piezoelectric film whose opposite principal surfaces are provided with respective piezoelectric detection electrodes. When viewed from a direction orthogonal to the principal surfaces, an opening is provided in a center region of one of the piezoelectric detection electrodes provided on at least one of the principal surfaces.