Patent ID: 7441470

Claim:
A strain gauge type sensor characterized in that the sensor comprises: a strain generation body comprising a force receiving portion to which a force is applied, a fixed portion fixed to a supporting body, and an interconnecting portion that interconnects the force receiving portion and the fixed portion and in which strain is generated according to the force applied to the force receiving portion; a first strain gauge disposed on the interconnecting portion of the strain generation body; and a second strain gauge disposed on the interconnecting portion at a position nearer to the fixed portion than the first strain gauge, and the interconnecting portion comprises: a first diaphragm on which the first strain gauge is disposed; a second diaphragm that is thinner than the first diaphragm on which the second strain gauge is disposed; and a connecting portion that is thicker than the first diaphragm and connects the first and second diaphragms to each other.