Patent ID: 8105998
Filing Date: 2012-01-31
Classification: G03F,H01L

Abstract:
1. A composition for removing a photoresist residue and/or a polymer residue generated in a manufacturing process of semiconductor circuit elements having metal wiring, wherein the composition consists of 0.5-3.0 mass % of a fluorine compound, 30 mass % or less of water, and one or more inorganic acids and/or organic acids selected from the group consisting of (1) sulfuric acid, (2) phosphoric acid, (3) sulfuric acid and hydrochloric acid, (4) sulfuric acid and perchloric acid, (5) sulfuric acid and tetraboric acid, (6) aliphatic carboxylic acid, (7) phosphoric acid and aliphatic carboxylic acid selected from propionic acid, methoxyacetic acid, lactic acid, and n-hexanoic acid, or (8) aliphatic sulfonic acid and phosphoric acid, and wherein the composition has a pH value of 4 or less.