Letter 27062

Selective etching of aluminum oxide [Missouri] 

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

Senthil Velan
student research - Columbia, MO, USA

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.
finishing.com Inc. - Brick, NJ

I want to answer or follow-up on this subject publicly (in non-commercial fashion).

 

My company is a supporting advertiser at finishing.com and we want the contact information to reach the inquirer privately.

 

I want to post a new question or inquiry of my own on a different subject.