| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a movable contact body with a light guide function used in operation parts of various electronic equipment, which can keep a uniform illumination state even when there is an increased number of key strokes. <P>SOLUTION: A movable contact body with a light guide function having an adhesion prevention film 22 formed in shape of minute irregularities disposed on an upper surface of a base sheet 21, made of insulated film, which holds a movable contact 4 therebelow and a light guide sheet 7 consisting of insulated film having light permeability and flexibility disposed on top of that, is constructed in such a way that the adhesion prevention film 22 is not provided at an upper surface position of the base sheet 21 corresponding to a middle part of the movable contact 4, and that an upper surface spot of the base sheet 21 itself at the upper surface position is formed into a minute unevenly shaped portion 21A. <P>COPYRIGHT: (C)2013,JPO&INPIT |
