| 摘要 |
PROBLEM TO BE SOLVED: To mechanically clean fouling on a mirror for a laser sensor that measures a distance between the nozzle of a dispenser and a board, keeps a coating quality excellent in a paste coating device, and improves an operating efficiency in the paste coating device without the load of an operator. SOLUTION: The paste coating device 10 configured by being disposed in the vicinity of the nozzle 22 of the dispenser 20 and projecting and receiving a laser beam between the device and the board 1 through the mirror 31, and having the laser sensor 30 that measures the distance between the nozzle 22 of the dispenser 20 and the board 1, wherein a cleaning device 40 for cleaning the surface of the mirror 31 is provided. COPYRIGHT: (C)2007,JPO&INPIT
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