| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent foreign matters from remaining to stick to front face panels. Ž<P>SOLUTION: Each of the front face panels 16L, 16R includes a light transmission plate 23 capable of transmitting visible light and infrared rays and a light shielding layer 24 superposed on the back face of the light transmission plate 23. In a region of the light shielding layer 24 corresponding to a cover 27L, 27R, a notch 26L, 26R to which visible light and infrared rays can be transmitted is formed. Since the cover 27L, 27R covering an infrared ray emitting part 28 from the front side is not exposed on the surface of the front face panel 16L, 16R but is provided on the back face side of the light transmission plate 23, the surface of the front face panel 16L, 16R has no gap and step part formed thereon, and thus, can be formed to have a smooth shape. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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