WASHING BRUSH, AND UNIT AND METHOD TO USE THE BRUSH

摘要

PROBLEM TO BE SOLVED: To improve the production yield of liquid crystal boards and semiconductor boards by reducing foreign matters and scratches generated by brush washing to decrease device defects such as breakages and short circuits of wiring. SOLUTION: Bristle points of a brush are treated by a solvent or heating. Thus foreign matters and scratches generated on a board by brush washing can be reduced.