| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily mount an antireflective sheet in a mirror housing. SOLUTION: The sensor is composed of a box-like mirror housing 10 having arm-like holders 10a at both sides, a mirror 11 formed in the interior of the mirror housing 10, an element board 12 removably mounted on the tops end of the holders 10a, and an antireflective sheet 17 fitted between the mirror 11 and element board 12 inside the holders 10a.</p> |
