ETCHING SOLUTION COMPOSITION FOR METAL LAYER AND MANUFACTURING METHOD OF AN ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY USING THE SAME

摘要

Provided is an etching solution composition comprising: an oxidizing agent for a metal layer; a polyaminoether compound including two or more amino groups and one or more ether groups in molecules; and water. Therefore, the present invention provides excellent work safety, etching speed, and storage stability and enables the treatment of a great deal of substrates.