| 摘要 |
PROBLEM TO BE SOLVED: To provide an air releasing structure of a dome switch where the feel of click can be improved. SOLUTION: In the device, a space part 35 formed on a surface of a box body 26 as a member to be attached is utilized as a space for releasing air when projecting parts 27 of a surface sheet 22 are flipped. Air release parts 30 which communicate with through holes 29 are formed on a spacer sheet 23. Air release holes 33 and 34 which are communicated with the air release parts 30 and the space part 35 are formed to penetrate through FPC 24 as a circuit body and an adhesive sheet 25.
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