Patent ID: 7296471

Claim:
An acceleration sensor, comprising: a support portion a lower end of which is fixed to a substrate; a beam portion on which a detection element for applying changes to an output signal in correspondence with strain caused by acceleration acting on the detection element is formed, one end of the beam portion being connected to an upper end of the support portion; a suspended weight connected to another end of the beam portion; and a stopper substrate with a window portion through which, in order to guide an output signal of the detection element via a pad that is formed on the upper end face of the support portion, a conductor lead that connects the pad connects to a terminal outside the stopper substrate, wherein the stopper substrate is fixed by means of adhesive to a region on the upper end face of the support portion, surrounding the pad formed on the upper end face of the support portion and upward overswing of the weight is limited by means of the stopper substrate.