Aug 4, 2004 #1 harlequinir Chemical Joined Oct 23, 2003 Messages 8 Location US I need to find an acid etchant for nickel-phosphorous. I currently use a 50-50 mix of nitric acid and water plus some HF. I want a very rough surface, but need to protect a photoresist mask. Any info is appreciated.
I need to find an acid etchant for nickel-phosphorous. I currently use a 50-50 mix of nitric acid and water plus some HF. I want a very rough surface, but need to protect a photoresist mask. Any info is appreciated.
Aug 9, 2004 #2 SMF1964 Materials Joined Aug 5, 2003 Messages 306 Location US Have you tried a mixed acids etchant (hydrochloric, nitric and acetic, as per ASTM 403, etchant #89) or hot PAN (Phosphoric/Acetic/Nitric)? Upvote 0 Downvote
Have you tried a mixed acids etchant (hydrochloric, nitric and acetic, as per ASTM 403, etchant #89) or hot PAN (Phosphoric/Acetic/Nitric)?