Patent ID: 6187730
Filing Date: 2001-02-13
Classification: B24B,C09D,C11D,C23G,G03F,H01L

Abstract:
A cleaning composition for removing polymeric material or a photoresist residue from a substrate comprising about 5 percent to 50 percent by weight of hydroxylamine, about 10 percent to 80 percent by weight of at least one alcohol amine compound which is miscible with the hydroxylamine and is chosen from: monoethanolamine, diethanolamine, triethanolamine, tertiarybutyldiethanolamine, isopropanolamine, 2-amino-1-propanol, 3-amino-1-propanol, isobutanolamine, 2-amino-2-ethoxyethanol, 2-amino-2-ethoxy-propanol, or an alcohol amine that has the formula:R.sub.1 R.sub.2 --N--CH.sub.2 --O--R.sub.3, wherein R.sub.1 and R.sub.2 are H, CH.sub.3, CH.sub.3 CH.sub.2, or CH.sub.2 CH.sub.2 OH and R.sub.3 is CH.sub.2 CH.sub.2 OH, from about 5 percent to about 30% by weight of gallic acid and the balance being water.