I'm trying to pattern nickel with photoresist. Aqua regia seems to etch too quickly, and leaves some nickel un-etched. Anyone have any other etch chemistries? thanks please respond to: cmarft@ece.ucdavis.edu ******************************************** Carl Arft Dept. of Electrical and Computer Engineering University of California, Davis Email: cmarft@ece.ucdavis.edu Phone: (530) 754-9249 ********************************************