Gyoo-Chul Jo

Etchant and array substrate having copper lines etched by the etchant

Etchant for etching double-layered copper structure and method of forming array substrate having double-layered copper structures

Etching solution for multiple layer of copper and molybdenum and etching method using the same

Array substrate for LCD device having double-layered gate and data lines and manufacturing method thereof

Array substrate for LCD device having metal-diffusion film and manufacturing method thereof

Etching solution and array substrate for electronic apparatus having copper wiring patterned and formed by etching solution

Array substrate for liquid crystal display device, and its manufacturing method

Array substrate for LCD device having dual metal-layer gate and data lines and manufacturing method thereof

Thin film transistor having a copper signal line and method of manufacturing the same

Master mold, master mold fabrication method, and method for fabricating liquid crystal display device using the same