New Ultra-slim COB design for EM4200/ ATA5577/ TK4100 wafer
New Ultra-slim COB design for EM4200/ ATA5577/ TK4100 wafer, This new COB is design in small size, and grind to very thin thickness after bonding. the LF cards to lamianted with this COB is perfect flat even on COB position, Best for customer single card printer.