| 摘要 |
PROBLEM TO BE SOLVED: To provide a mirror surface cleaning device which can clean a mirror surface automatically without deteriorating the state of the mirror surface and without requiring manual work when cleaning the mirror surface installed in the open air.SOLUTION: The mirror surface cleaning device includes a moving cleaning part which cleans the surface of a mirror while moving thereon. The moving cleaning part moves by being guided by a guide part arranged on the side of or around a substrate on which the mirror surface is formed. |
