ETCHING LIQUID, ETCHING METHOD, AND METHOD FOR PRODUCING COUNTER SUBSTRATE FOR LIQUID CRYSTAL DISPLAY PANEL

摘要

PROBLEM TO BE SOLVED: To provide an etching liquid and an etching method suitable for the wet etching of an aluminum-containing material, and to provide a method for producing a counter substrate or the like.

SOLUTION: The etching liquid for an aluminum-containing material is composed of a solution containing ammonium hydrogen fluoride, hydrogen peroxide and water.

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