摘要 |
A composition for removing resist, polymeric material and/or etching residue from a substrate comprising titanium or an alloy thereof, the composition comprising hydroxylamine or a derivative thereof and at least one compound having the general formula (I) wherein: R<SUP>1 </SUP>and R<SUP>3 </SUP>are each independently selected from H, OH, CO<SUB>2</SUB>H, halogen, C<SUB>1</SUB>-C<SUB>3 </SUB>alkyl, C<SUB>1</SUB>-C<SUB>3 </SUB>alkoxy or (CH<SUB>2</SUB>)<SUB>n</SUB>OH wherein n is 1, 2 or 3; and R<SUB>2 </SUB>is selected from C<SUB>9</SUB>-C<SUB>16 </SUB>alkyl, or C<SUB>9</SUB>-C<SUB>16 </SUB>alkoxy |