Dynamic multi-purpose composition for the removal of photoresists and methods for its use

Improved dry stripper solutions for removing one, two or more photoresist layers from substrates are provided. The stripper solutions comprise dimethyl sulfoxide, a quaternary ammonium hydroxide, and an alkanolamine, an optional secondary solvent and less than about 3 wt. % water and/or a dryness co...

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Bibliographische Detailangaben
Hauptverfasser:	SCHEELE DIANE MARIE, PHENIS MICHAEL T, POLLARD KIMBERLY DONA
Format:	Patent
Sprache:	eng
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM METALLURGY RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	Improved dry stripper solutions for removing one, two or more photoresist layers from substrates are provided. The stripper solutions comprise dimethyl sulfoxide, a quaternary ammonium hydroxide, and an alkanolamine, an optional secondary solvent and less than about 3 wt. % water and/or a dryness coefficient of at least about 1. Methods for the preparation and use of the improved dry stripping solutions are additionally provided.