SENSOR AND GRIPPING LOAD DETECTION DEVICE

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SENSOR AND GRIPPING LOAD DETECTION DEVICE

This abstract first appeared for US patent application 20250151626 titled 'SENSOR AND GRIPPING LOAD DETECTION DEVICE

Original Abstract Submitted

a sensor includes a piezoelectric film having a first and second main surfaces facing each other in a first direction, a first electrode on the first main surface, a second electrode on the second main surface, and a wiring portion. the first electrode and the second electrode overlap each other in the first direction and include a first portion overlapping the piezoelectric film and a second portion that does not overlap the piezoelectric film, the first portion and the second portion are arranged in a second direction orthogonal to the first direction, and the wiring portion includes a wiring substrate overlapping the second portion in the first direction and having a third and a fourth main surface, a first conductor on the third main surface and electrically connected to the first electrode, and a second conductor on the fourth main surface and electrically connected to the second electrode.