| 摘要 |
PURPOSE: An electronic device including a metal dome is provided to improve a response property and click feeling of a metal dome by canceling air pressure inside the metal dome through a vent of the metal dome. CONSTITUTION: A frame includes a fixing plate and a moving plate. A spring module is arranged between the fixing plate and the moving plate, and includes a first spring, a second spring, and a fixing pin. The fixing pin fixes both ends of the first spring and the second spring to an inner surface of the moving plate and the fixing plate. A printed circuit board is mounted to the frame. A switch part(30) includes a metal dome(31). A vent is formed to the metal dome. The metal dome is fixed to a mounting part of a sheet(40). A key pad(50) is arranged on the metal dome.
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