| 摘要 |
PROBLEM TO BE SOLVED: To improve strength of a dome for a switch in which two sides or more to form an arc of the outer peripheral circle are cut, and improve contact reliability of a contact. SOLUTION: The dome 1 for the switch is composed of a conductive material in which two sides SL or more to form the arc of the cup-shaped outer peripheral circle provided with flexibility capable of contacting with and separating from contact parts 11A, 11B on a substrate 9 are cut. Furthermore, an annular recessed part 5 seen from above is installed at the surrounding of the cup-shaped apex part 3. COPYRIGHT: (C)2009,JPO&INPIT
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