摘要 |
PROBLEM TO BE SOLVED: To provide a switch module which obtains a switch signal corresponding to a pressing operation of a metal dome even without forming a through-hole.SOLUTION: A switch module 1 equipped with a substrate 10 and a metal dome 50 mounted on one main surface side of the substrate 10 includes: a first conductive circuit layer 20 containing a first contact 21 which is formed on one main surface 10A of the substrate 10 and faces the parietal region 50A of the metal dome 50, and a contact electrode 22 from or to which a switch signal corresponding to a pressing operation of the metal dome 50 is input or output; an insulating layer 30 which is laminated on the first conductive circuit layer 20 and has openings 34, 35 at positions facing the first contact 21 and the contact electrode 22 respectively; and a second conductive circuit layer 40 containing a second contact 41 and a conductive circuit 43, wherein the second contact 41 is formed on the principal plane of the insulating layer 30 and comes into contact with the outer edge of the metal dome 50, and the conductive circuit 43 connects the second contact 41 and the first contact electrode 21. |