[FMCp2-1]A Metal for Making Different Cu Taper in Etching Fluid
*Hui Wang1, Kang Long1, Zhihui Song1, HuiHua Liao1, Huang I. Chen1, James Hsu1, Wade Chen1(1. Changsha HKC Optoelectronics Technology Co.,Ltd (China))
Keywords:
different Cu taper,metal1&2short,Dark line ratio,metal breakage and residue
In this paper, the method of producing different taper in the same etching solution of two layers of metal in the copper process of TFT-LCD is reported.