Patent ID: 9377484
Filing Date: 2016-06-28
CPC Classification: G01P

Claim Text:
1. A physical quantity sensor comprising: a first substrate including first and second fixed electrodes disposed on a first base surface of the first substrate, and first and second through-holes provided in the first substrate; a second substrate including third and fourth fixed electrodes disposed on a second base surface of the second substrate, and third and fourth through-holes provided in the second substrate, the second base surface being arranged to face the first base surface; a movable body arranged between the first substrate and the second substrate, the movable body being configured with first and second movable pieces, the first and second movable pieces respectively being provided with first and second movable electrodes, a first mass of the first movable piece being larger than a second mass of the second movable piece; and first through fourth through-electrodes being respectively provided in the first through fourth through-holes, the first through fourth through-electrodes being respectively electrically connected to the first through fourth fixed electrodes, wherein the first and third through-holes overlap with each other in a plan view, and the second and fourth through-holes overlap with each other in the plan view.