... polyester and 25% of nylon, cleanroom wipers are sealed by laser cutting, and washed by EDI Ultra-pure water system in ... from the wipe, has no contamination for the clean area5) Laser cutting: with unique cut melting effect, completely solve the dust ... semiconductor production line, COMOS Chip, MPU assembly line4) Be used during produce Laser , mini-disk, LCD display series products, Video tape recorder ...