| 摘要 |
An input device includes a movable electrode and a capacitance detection electrode provided on the upper and lower sides of the resin film substrate, respectively. The movable electrode includes a moving section, and an immobile section. The moving section includes a protrusion. The end of the protrusion comes in contact with the upper side of the resin film substrate in an initial state, or is bonded to the upper side of the resin film substrate. The protrusion has a curved shape so that the side surface of the protrusion is depressed relative to a straight line that connects the end and the base of the protrusion having an approximately trapezoidal cross-sectional shape, or at least one step is formed on the side surface of the protrusion, and the width of the protrusion increases stepwise from the end to the base of the protrusion.
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