DES Production Line

　　DES Etching and developing process：

　　Into the board → development → overflow water washing 1-2 → acid washing → overflow water washing 3, clean water washing, suction drying → strong wind drying → inspection → etching → overflow water washing 4-5, clean water washing, suction drying → light inspection → Fluffy→Removal of film→Overflow water washing 6-7→Acid cleaning→Overflow water washing