| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a key sheet capable of surely operating a dome switch in spite of thinning. Ž<P>SOLUTION: A portable device terminal having the key sheet includes a key top sheet, a pusher sheet arranged at one side along in the thickness direction of the key top sheet, and a pusher arranged on the surface opposite to the key top sheet in the pusher sheet. The pusher has a base end face in contact with the pusher sheet, and a pointed head face parallel with the base end face and facing in a direction opposite to the base end face. An area of the base end face is larger than an area of the pointed head face. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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