Patent ID: 8617417
Filing Date: 2013-12-31
Classification: C11D

Abstract:
1. A cleaning composition for removing plasma etching residues and/or ashing residues formed on a semiconductor substrate, which includes: (Component a) water; (Component b) an amine compound; (Component c) hydroxylamine sulfate; (Component d) a quaternary ammonium compound; (Component e) an organic acid; and (Component f) a water-soluble organic solvent; and has a pH of 6 to 9, wherein the component b is at least one compound selected from the group consisting of 2-ethylhexylamine, n-butylamine, 3-methoxypropylamine, tert-butylamine, benzylamine, n-hexylamine, cyclohexylamine, n-octylamine, N-methyl-N-butylamine, N-(3-aminopropyl)morpholine, 2-aminoethanol, o-xylenediamine, m-xylenediamine, p-xylenediamine, and n-dodecylamine.