| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an operation key capable of reducing the number of cases where a diagram on the upper surface of the operation key is shaved or peeled off even if the upper surface of the operation key is repeatedly pressed and an operation device.SOLUTION: Disclosed is an operation key 10J having a recess 201 formed on the upper surface. The recess 201 has a bottom surface 203 and side surfaces 202. On the bottom surface 203, a diagram 204 is drawn with paint 400. The diagram 204 is in external contact with at least some of the side surfaces 202.</p> |
