| 摘要 |
PROBLEM TO BE SOLVED: To provide an inputting key unit where the good clicking feel can be obtained with facility. SOLUTION: In an inputting key unit 10 provided with a click board 12 constituted from flexible resin with a dome part 16 and a sheet part 18 and a key top 14 pressing on a top part 16A of the dome part 16, the unit 10 is characterized in that either one of the top part 16A of the dome part 16 of the click board 12 or a bottom surface of the key top 14 is provided with a projected part 20 and a recessed part 14A that can be engaged with the projected part 20 is provided to the other part.
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