Patent ID: 6660700
Filing Date: 2003-12-09
Classification: C11D,C23G,G03F,H01L

Abstract:
A method for fabricating a semiconductor wafer including the steps comprising:plasma etching a metalized layer from a surface of the wafer; plasma ashing a resist from the surface of the wafer; cleaning the wafer with a semiconductor wafer cleaning formulation comprising the following components in the percentage by weight (based on the total weight of the formulation) ranges shown: organic amine(s)2-98%water0-50%1,3-dicarbonyl compound chelating agent0.1-60%â€‚â€‰additional different chelating agent(s)0-25%nitrogen-containing carboxylic acid or imine0.5-40%â€‚â€‰polar organic solvent2-98%TOTAL100%.