Patent ID: 9244094
Filing Date: 2016-01-26
CPC Classification: G01P

Claim Text:
1. A sensor configured to detect inertial force based on a change in capacitance, comprising: a sensor chip, a first plate disposed on one surface of the sensor chip, and a second plate disposed on another surface of the sensor chip, wherein the sensor chip comprises a weight portion, beam portions configured to support the weight portion, a frame portion configured to support the beam portions, a first electrode portion, a second electrode portion, a first electrode comprising metal disposed on the first electrode portion, a second electrode comprising metal disposed on the second electrode portion, a first gap portion provided between the first electrode portion and the frame portion and surrounding the first electrode portion, and a second gap portion provided between the second electrode portion and the frame portion and surrounding the second electrode portion, wherein the first electrode portion and the second electrode portion each includes a first section having square shape in a plan view, and a second section having a rectangular shape in the plan view extends from each of the first sections.