Force detection device
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United States of America Patent
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Oct 30, 2018
Grant Date -
Feb 15, 2018
app pub date -
Apr 8, 2016
filing date -
Apr 22, 2015
priority date (Note) -
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Abstract
A force detection device includes: a substrate that includes a power supply wire, a reference wire, a first output wire, a second output wire and first to fourth mesa gauges extending along a first direction; and a force transmission block connected to the substrate. A pair of the first and second mesa gauges and a pair of the third and fourth mesa gauges are connected in parallel to each other between the power supply wire and the reference wire. The first output wire is connected between the first and second mesa gauges. The second output wire is connected between the third and fourth mesa gauges. A contact area of the force transmission block with a first pair of the first and fourth mesa gauges is different from a contact area of the force transmission block with a second pair of the second and third mesa gauges.
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