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Title:
DOME TYPE SWITCH
Document Type and Number:
Japanese Patent JP2019053899
Kind Code:
A
Abstract:
To provide a dome type switch which has excellent operation feeling and can be inexpensively constituted.SOLUTION: Disclosed is a dome type switch formed by having: a printed circuit board 20 having at least a structure 21, a conductor layer 22 and an insulation layer 23; dome contacts 30 mounted on a printed circuit board 20; and an adhesive sheet 40 which covers the dome contacts 30 and fixes the dome contacts 30 to the printed circuit board 20. In the printed circuit board 20, a groove (27') is formed, made of a conductor layer 22 and a patterned lack part of an insulation layer 23. A ventilation passage 52 for releasing air in the inside of the dome contacts 30 to the outside is constituted by putting a lid on the groove (27') using the adhesive sheet 40.SELECTED DRAWING: Figure 3

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Inventors:
弓中 武彦
Application Number:
JP2017177492A
Publication Date:
April 04, 2019
Filing Date:
September 15, 2017
Export Citation:
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Assignee:
日本航空電子工業株式会社
International Classes:
H01H13/48; H01H11/00
Attorney, Agent or Firm:
中尾 直樹
中村 幸雄
義村 宗洋



 
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