Sensor chip and force sensor device with increased fracture resistance
Abstract:
A sensor chip includes multiple sensing blocks each of which includes two or more T-patterned beam structures. Each T-patterned beam structure includes strain-detecting elements, at least one first detection beam, and a second detection beam extending from the first detection beam in a direction perpendicular to the first detection beam. Each T-patterned beam structure includes a connection portion formed by coupling ends of second detection beams in respective T-patterned structures, the connection portion including a force point portion. The sensor chip is configured to detect up to six axes relating to predetermined axial forces or moments around the predetermined axes, based on a change in an output of each of the strain-detecting elements, the output of each strain-detecting element changing in accordance with an input applied to a given force point portion.
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