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topic 5537

Etching Rate of FeCl3 to Nickel and Copper Surface


Etchant for Nickel, Palladium and Copper. Is there an etchant for removing Copper and Nickel; if possible Pd also. Is Nitric acid a good option?

Nishath Y [last name deleted for privacy by Editor]
- Houston, Texas


I had difficulty in etching copper panel with one side plated with nickel by using FeCl3, could anyone told me the etching rate of nickel and copper?

Charles [last name deleted for privacy by Editor]
- China

Principles and Practice of Photochemical Machining & Photoetching
from Abe Books



You haven't given enough information to answer your question. Need to know concentration, temperature, condition of copper surface, etc. I suggest you use a test panel and measure the rate directly.

If you are having problems etching I would also suggest you look closely at the surface conditions to make sure you don't have something on the surface acting as an etch resist.

James Totter
James Totter, CEF
- Tallahassee, Florida

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