Area-selective microscale metallization on porous anodic oxide film of aluminium

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概要

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• A new method for micropatterning of metallic patterns on porous anodic oxide film of aluminium is described. The porous anodic oxide film was impregnated with organic dye and palladium ions before the hydrothermal pore-sealing. The surface layers formed during the pore-sealing, i.e. outer acicular hydroxide layer and a compact intermediate sub-layer trap the palladium ion underneath the layers. Exposing the palladium enriched area by the help of laser beam followed by electroless nickel deposition results the deposition of nickel on the laser-exposed part. Thickness of the deposits can be up to about 2–3 μm, after about the 20 min of immersion in electroless nickel plating bath. The metallic micropatterns, formed by the method are crack free, smooth and uniform over extended length.

• Elsevier B.V.の論文

著者

• Jha Himendra

  Lab. Of Interface Microstructure Analysis (limsa) Graduate School Of Engineering Hokkaido University

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• Microfabrication of an anodic oxide film by anodizing laser-textured aluminium
• Laser micromachining of porous anodic alumina film
• Area-selective microscale metallization on porous anodic oxide film of aluminium

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