| 摘要 |
PURPOSE: A key pad structure is provided to improve reliability of an operation by sensing the pushed force applied to the key pad using a force sensor. CONSTITUTION: A contact layer is made of a transparent material. A print layer is formed on one side of the contact layer and includes a print area and a non-print area. A sensor layer(130) is formed on a lower side of the contact layer and includes at least one force sensor(132). A support layer(150) is formed on the other side of the sensor layer and equally maintains the coupling degrees of a plurality of force sensors.
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