Dome-shaped push switch
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United States of America Patent
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-
Dec 5, 2017
Grant Date -
Nov 2, 2017
app pub date -
Aug 19, 2016
filing date -
Apr 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A dome-shaped push switch includes a sheet and a conducting layer disposed at a low surface of the sheet. The sheet has a pressing portion arching upward. The conducting layer is disposed at a lower surface of the sheet. The conductivity of the sheet is greater than that of the sheet. The pressing portion includes at least one through hole penetrating through the pressing portion. The through hole has a side wall, the side wall sequentially has a shear surface and a tear surface from bottom up, and a fillet is provided between the shear surface and a lower surface of the pressing portion.
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