Patent ID: 9702895
Date: 2017-07-11
CPC Classifications: G01P

Claim:
1. An acceleration sensor, comprising: a sensor chip including a first weight portion and a second weight portion, a plurality of beam portions aligned along a straight line and configured to support the first weight portion and the second weight portion, the plurality of beam portions including a first beam portion and a second beam portion, a frame portion surrounding the first weight portion and the second weight portion, and electrode portions disposed between the first weight portion and the second weight portion, the electrode portions including a first electrode portion, a second electrode portion and a third electrode portion, wherein one end of the first beam portion is connected to the first electrode portion and another end of the first beam portion is connected to the first weight portion, wherein one end of the second beam portion is connected to the first electrode portion and another end of the second beam portion is connected to the second weight portion, and wherein the second electrode portion is disposed on one side of the straight line and the third electrode portion is disposed on another side of the straight line.