Patent ID: 6413923
Filing Date: 2002-07-02
Classification: C11D,H01L

Abstract:
A cleaning composition useful for removing plasma etch residues formed on a substrate which comprises:(a) water; (b) at least one hydroxylammonium compound; (c) at least one basic compound; and (d) at least one organic carboxylic acid selected from the group consisting of: lactic acid, citric acid, formic acid, oxalic acid, acetic acid, propionic acid, valeric acid, isovaleric acid, malonic acid, succinic acid, glutaric acid, maleic acid, fumaric acid, phthalic acid, 1,2,3-benzenetricarboxylic acid, glycolic acid, salicylic acid, tartaric acid, gluconic acid, and mixtures thereof.