Patent ID: 9468946
Filing Date: 2016-10-18
CPC Classification: B05B,B05C,B08B,B41J,H01L

Claim Text:
1. A wiping pad moved from One end side to another end side in a nozzle long side direction for wiping away a treatment solution adhering to a discharge port and nozzle side surfaces of a nozzle, the nozzle having the discharge port in a slit shape long in a width direction of a substrate to be treated and the nozzle side surfaces extending in parallel with the discharge port on both front and rear sides of the discharge port and formed in a tapered shape gradually getting thinner from a top to a bottom toward the discharge port, the wiping pad comprising: wherein the V-shaped groove is formed to gradually increase in groove width and depth toward a front thereof from the scraping edge, and wherein inclination angles of the inclined surfaces of the V-shaped groove with respect to the inclined surfaces inclined toward the moving direction side are formed to be 90° or more respectively.