| 摘要 |
A stress sensor having a post ( 6 ) fixed to or integrated with the surface of an insulation substrate ( 1 ) capable of determining the direction and magnitude of a stress applied to the post ( 6 ) from changes in the characteristics of a strain gauge ( 2 ) made by a stimulus to the strain gauge ( 2 ) caused by the stress, wherein a stress to the post ( 6 ) can be converted efficiently into changes in the characteristics of the strain gauge ( 2 ). Consequently, the stress sensor has a strain gauge ( 2 )-disposed member provided with a locally-easy-to-deform portion where the strain gauge ( 2 ) is disposed. The strain gauge ( 2 ) is a resistance element ( 8 ) and is disposed on the surface of the insulation substrate ( 1 ), the insulation substrate mainly contains a resin material, and the easy-to-deform portion is preferably a thin-wall portion ( 7 ).
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