CPC G01L 5/1627 (2020.01) [G01L 1/2287 (2013.01); B24C 1/10 (2013.01)] | 9 Claims |
1. A strain element which is elastically deformable in response to a load and which is configured to have a strain gauge disposed thereon, the strain gauge being configured to carry out detection of strain associated with deformation,
the strain element comprising a strain portion which corresponds to a region subject to strain and includes an area for disposition of the strain gauge,
the strain portion including an arm portion, and
the strain portion being provided with a residual stress layer having negative residual stress and extending on all four sides of the arm portion.
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