Abstract
An accelerometer is prepared as forming a fixing unit by multiple first conduction component and multiple second conduction component, forming a active unit by a body and multiple third conduction component as well as multiple conduction fourth conduction component, connecting active unit to fixing unit and arranging an opening on said body, setting multiple third conduction component at an external side of said body in corresponding to multiple first component separately and setting multiple fourth conduction component within said opening in corresponding to multiple second conduction component separately.