DOME SWITCH OF MOBILE PHONE AND THE MANUFACTURING METHOD

摘要

PURPOSE: A method of manufacturing a metal dome switch for a portable terminal prevents separation by forming a protrusion on the upper sheet of the metal dome switch. CONSTITUTION: An insulating sheet (120) has a through hole inside. A metal dome (140) has the through hole. A transparent sheet (110) is attached to the upper surface of the insulating sheet. A protrusion receiving groove is formed at the inner side of the transparent sheet. Filler is filled inside the protrusion receiving groove.