Water-rich stripping and cleaning formulation and method for using same
Water-rich formulations are used to remove bulk photoresists, post-etched and post-ashed residues, residues from A1 back-end-of- the-line interconnect structures, and contaminants. The formulation comprises: hydroxylamine; corrosion inhibitor containing a mixture of alkyl dihydroxybenzene and hydrox...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Water-rich formulations are used to remove bulk photoresists, post-etched and post-ashed residues, residues from A1 back-end-of- the-line interconnect structures, and contaminants. The formulation comprises: hydroxylamine; corrosion inhibitor containing a mixture of alkyl dihydroxybenzene and hydroxyquinoline; an alkanolamine, a water-soluble solvent or a combination of the two; and at least 50% by weight of water. |
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