Dear All, Is it possible to etch nickle using PAN (Phosphoric Acid (H3PO4) :Acetic Acid (HAc): Nitric Acid (HNO3): DI water = 16:1:1:2)? And what temperature? I try to etch nickle on top of silicon wafer and using PR as mask. Try to save some money instead of buying nickle etchant. Happy New Year! Lydia ------------------------------------------------- This mail sent through IMP: http://horde.org/imp/