Aloha, fun & authoritative answers -- no cost, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Metal finishing Q&As since 1989

-----

Selective etching of aluminum oxide

I wanted a method for Etching aluminum oxide without affecting aluminum. Work being done in chip design.

Senthil Velan
student research - Columbia, Missouri, USA
2004

2003

The chromic-phosphoric acid mixture used to strip anodized coatings should selectively remove aluminum oxide from aluminum. Use our search engine with the search term "strip+anodizing+chromic-phosphoric"

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: