| 摘要 |
PURPOSE: A structure of a mechanical key with high durability and touch feeling is provided to implement a thin film keyboard with a simple stroke structure by using a restoring force of a magnet. CONSTITUTION: A top plate(12) is separated from a circuit board on a bottom plate(11). A cap(14) is inserted between the circuit board and the top plate. A magnet is installed in a first extension unit(15) of the cap. A metal plate(13) is installed on the bottom side of the top plate. An incline length of a second extension unit(17) of a cap is longer than the plane length of the first extension unit.
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