Patent 9470711 was granted and assigned to Seiko Epson on October, 2016 by the United States Patent and Trademark Office.
A physical quantity sensor includes: a fixed portion; a fixed electrode portion; and a movable body that includes a support portion disposed around the fixed portion in plan view, a movable electrode portion supported by the support portion, extending along a first axis, and arranged to face the fixed electrode portion, and a coupling portion coupling the fixed portion with the support portion, and is displaceable along a second axis crossing the first axis.