Sensor and its manufacturing method
First Claim
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1. A sensor comprising:
- a substrate comprising a surface;
a first fixed electrode arranged on the surface of the substrate;
a movable electrode arranged above the first fixed electrode and being movable in a direction not parallel to the surface of the substrate;
a second fixed electrode arranged above the movable electrode; and
a detector which detects a difference between a first capacitance between the first fixed electrode and the movable electrode and a second capacitance between the movable electrode and the second fixed electrode;
wherein the first fixed electrode, the movable electrode and the second fixed electrode are provided along a direction perpendicular to the surface of the substrate.
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Abstract
According to one embodiment, a sensor is disclosed. The sensor includes a substrate, a first fixed electrode arranged on the substrate, a movable electrode arranged above the first fixed electrode and being movable non-parallely, a second fixed electrode arranged above the movable electrode. The sensor further includes a detector to detect a difference between a first capacitance between the first fixed electrode and the movable electrode and a second capacitance between the movable electrode and the second fixed electrode.
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Citations
18 Claims
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1. A sensor comprising:
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a substrate comprising a surface; a first fixed electrode arranged on the surface of the substrate; a movable electrode arranged above the first fixed electrode and being movable in a direction not parallel to the surface of the substrate; a second fixed electrode arranged above the movable electrode; and a detector which detects a difference between a first capacitance between the first fixed electrode and the movable electrode and a second capacitance between the movable electrode and the second fixed electrode; wherein the first fixed electrode, the movable electrode and the second fixed electrode are provided along a direction perpendicular to the surface of the substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification