| 摘要 |
PURPOSE: A tact switch for an electronic component is provided to prevent life-shortening and contact fail due to the life-shortening by forming an electrode in a top pattern and maintaining a metal doom and the top pattern plate. CONSTITUTION: A pattern assembly(10) has a circuit pattern between insulating patterns. A metal doom(40) is bent and connects an upper pattern(20) to a lower pattern(30) when a button is clicked. A doom guide(60) guides the mounting of the metal doom and prevent the separation of the metal doom. A projection boss(50) is attached to the upper part of the metal doom to improve clicking or click rate. A top cover film(90) covers the top of the protrusion boss and the metal doom.
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