Patent ID: 7879782
Filing Date: 2011-02-01
Classification: C11D,G03F,H01L

Abstract:
1. A composition for removing residue from a substrate comprising: water; a hydroxylamine salt compound; and from 0.1 to 15% by weight of a corrosion inhibitor provided that the corrosion inhibitor does not comprise a water soluble organic acid and further wherein the corrosion inhibitor comprises at least one selected from maleic anhydride, phthalic anhydride, benzotriazole, carboxybenzotriazole, diethyl hydroxvlamine, triazole, ammonium thiosulfate, tetramethvlauanidine, esters of gallic acid, 2-mercapto-5-methylbenzimidazole, 3-mercapto-1,2-propanediol, 2-mercaptothiazoline, 3-(2-aminophenvlthio)-2-hydroxymercaptan, 3-(2-hydroxvethylthio)-2-hydroxvpropylmercaptan, and mixtures thereof; and wherein the composition is substantially free of an added organic solvent and wherein the pH of the composition ranges from about 3 to 7.