Patent ID: 7579308

Claim:
A composition for removing a polymer, etch residue, ash residue, or a combination thereof from a substrate on which a circuit or a portion of a circuit is present, which composition comprises: an organic ammonium compound having the formula wherein: X is hydroxide, sulfate, hydrogen sulfate, phosphate, hydrogen phosphate, dihydrogen phosphate, nitrate, a carboxylate, a halide, carbonate, hydrogen carbonate, bifluoride, or a combination thereof, R 1 is an alkyl group or a group derived from the reaction of a tertiary amine with an organic epoxy, and R 2 , R 3 , and R 4 are each not hydrogen and are independently alkyl, benzyl, hydroxyalkyl, phenyl, a group derived from the reaction of a tertiary amine with an organic epoxy, or another group contained in a tertiary amine; more than about 2% by weight of an oxoammonium compound having the formula wherein: X is hydroxide, sulfate, hydrogen sulfate, phosphate, hydrogen phosphate, dihydrogen phosphate, nitrate, a carboxylate, a halide, carbonate, hydrogen carbonate, bifluoride, or a combination thereof, each R 5 is independently hydrogen, a substituted C 1 -C 6 straight, branched, or cyclic alkyl, alkenyl, or alkynyl group, a substituted acyl group, straight or branched alkoxy group, amidyl group, carboxyl group, alkoxyalkyl group, alkylamino group, alkylsulfonyl group, or sulfonic acid group, phenyl group, substituted phenyl group, aryl group, substituted aryl group, or a salt or derivative thereof, and each R 6 and R 7 is independently hydrogen, a hydroxyl group, a substituted C 1 -C 6 straight, branched, or cyclic alkyl, alkenyl, or alkynyl group, a substituted acyl group, straight or branched alkoxy group, amidyl group, carboxyl group, alkoxyalkyl group, alkylamino group, alkylsulfonyl group, or sulfonic acid group, phenyl group, substituted phenyl group, aryl group, substituted aryl group, or a salt or derivative thereof; an organic polar solvent that is miscible with water and water, wherein the composition is capable of removing the polymer, the etch residue, the ash residue, or the combination thereof from the substrate, while maintaining the operability of the circuit, or portion thereof, associated with the substrate, wherein the pH of the composition is above about 9, and wherein the organic ammonium compound is present in an amount from about 1% to about 30% by weight, the water is present in an amount from about 15% to about 94% by weight, the organic polar solvent is present in an amount from about 25% to about 85% by weight, and the oxoammonium compound is present in an amount not more than about 10% by weight.