Patent ID: 7135445
Filing Date: 2006-11-14
Classification: C11D,G03F

Abstract:
1. A cleaning or photoresist stripping composition comprising: (a) from about 5% to about 50% by weight of a polar aprotic nitrogen-containing solvent having a dipole moment of more than about 3.5; (b) from about 0.2% to about 20% by weight of a compound selected from the group consisting of a hydroxide and/or salt of bis-(2-hydroxy-ethyl)-dimethyl ammonium, a hydroxide and/or salt of tris-(2-hydroxy-ethyl)-methyl ammonium, and a mixture thereof; and (c) from about 50% to about 94% by weight of a sulfur-containing solvent selected from the group consisting of a sulfoxide, a sulfone, and a mixture thereof, wherein the composition is substantially free of hydroxylamine.