Force and/or pressure sensor

Petri Järvinen (Inventor), Mikko Turunen (Inventor), Jarmo Heittokangas (Inventor), Jukka Vanhala (Inventor), Pekka Iso-Ketola (Inventor)

Research output: Patent


The invention relates to sensor (900) for use as a pressure and/or a force sensor. The sensor (900) comprises a elastic and stretchable layer (050, 100, 200) with material having a first Young's modulus (Y200) and a first yield strain (εy,200); at least a first stretchable electrode (301) and a second stretchable electrode (302) attached to the elastic and stretchable layer (050, 100, 200) and arranged a first distance (d1, d1,301,302) apart from each other; a flexible foil (500) having a second Young's modulus (Y500); and electrically conductive wiring (400) attached to the flexible foil (500). At least a part of the electrically conductive wiring (400) is coupled to the stretchable electrodes (301, 302) in an electrically conductive manner; the first yield strain (εy,200) is at least 10 percent; the first Young's modulus (Y200) is less than the second Young's modulus (Y500).

Original languageEnglish
Patent numberUS2020064211
IPCG01D 5/ 241 A I
Priority date1/11/19
Publication statusPublished - 27 Feb 2020
Publication typeH1 Granted patent


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