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special corrosion ?
hi buddies,
i recently found some interested aluminium etching photos , http://giore.4t.com/aluminium.htm which created some special corrosion process. and i would like to using this technic into my projects. do someone know the formula to make such corrosion process?? Thanks for helping pleex |
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#2
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special corrosion ?
Wet etching of aluminum and aluminum alloy layers may be achieved using slightly heated (35-45 deg C) solutions of phosphoric acid, acetic acid, nitric acid, and water. Again, the nitric acid consumes some of the aluminum material to form an aluminum oxide layer. This oxide layer is then dissolved by the phosphoric acid and water, as more Al2O3 is formed simultaneously to keep the cycle going. http://www.semiconfareast.com/wetetch2.htm wrote in message ... hi buddies, i recently found some interested aluminium etching photos , http://giore.4t.com/aluminium.htm which created some special corrosion process. and i would like to using this technic into my projects. do someone know the formula to make such corrosion process?? Thanks for helping pleex |
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