Patent ID: 9157927
Filing Date: 2015-10-13
Classification: G01P

Abstract:
1. A physical quantity sensor comprising: a rocking body supported by a first supporting portion and a second supporting portion which are disposed on a first axis, and partitioned into a first region and a second region by the first axis when viewed in plan, where each of the first and second regions is provided with a movable electrode; and fixed electrodes facing the movable electrode, wherein the mass of the second region is larger than the mass of the first region, and an opening portion; a moveable weight portion disposed at the opening portion; a connection portion connecting the movable weight portion to the rocking body; a first arm shaped electrode portion provided toward the movable weight portion from the rocking body; and a second arm shaped electrode portion provided toward the rocking body from the movable weight portion and facing the first arm shaped electrode portion.