Patent ID: 8733169
Filing Date: 2014-05-27
Classification: B81B,B81C,G01C,G01P,H01L

Abstract:
1. A composite sensor, comprising: a package including a first space having a first pressure, the package including a second space having a second pressure lower than the first pressure, and the package including a container and a lid; an acceleration sensor element disposed in the first space; and a angular velocity sensor element disposed in the second space, wherein the first space has a volume smaller than a volume of the second space, the first space and the second space is partitioned by the container and the lid, and wherein the container has a bottom and a side wall that continuously rises from the bottom toward the lid, a first thickness of an outermost area of the side wall is thicker than a second thickness of an innermost area of the side wall, and the lid is placed on a top surface of the innermost area of the side wall.