Patent ID: 7888301
Filing Date: 2011-02-15
Classification: C11D,G03F,H01L

Abstract:
1. An aqueous-based removal composition comprising a fluoride source, at least one organic amine, at least one organic solvent, water, optionally at least one chelating agent, and optionally at least one surfactant, wherein the at least one organic amine comprises a species selected from the group consisting of N-(2-cyanoethyl) ethylenediamine, hydroxypropylpiperazine, aminopropylpiperazine, hydroxypropylmorpholine, aminoethylmorpholine, ethylene urea, trimethylaminoethylethanolamine, trimethylaminopropylethanolamine, and N-(2-cyanopropyl) ethylenediamine, and wherein said composition is useful for removing photoresist, bottom anti-reflective coating (BARC) materials, and/or gap fill materials from a substrate having such material(s) thereon.