The effects of substrate properties on metal coatings from liquid medium by reactive laser deposition

Laser processing of materials in a liquid medium was examined in this study. A gold solution was used to coat gold onto aluminum, silicon, alumina, and diamond substrates using a 500 mW Ar ion laser and a 3.5 W Nd-YAG laser. The Ar ion laser was found suitable for gold reactive laser deposition. It...

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Bibliographic Details
Published in:Surface & coatings technology 1999-07, Vol.115 (2), p.201-207, Article 201
Main Authors: Park, B.S., Malshe, A.P., Muyshondt, A., Brown, W.D.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Deposition
Exact sciences and technology
Laser
Laser deposition
Liquid
Materials science
Metal
Methods of deposition of films and coatings
film growth and epitaxy
Physics
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Summary:Laser processing of materials in a liquid medium was examined in this study. A gold solution was used to coat gold onto aluminum, silicon, alumina, and diamond substrates using a 500 mW Ar ion laser and a 3.5 W Nd-YAG laser. The Ar ion laser was found suitable for gold reactive laser deposition. It was observed that the substrate electrical conductivity plays a dominant role in the deposition process. Substrates with a higher thermal conductivity required more laser power for deposition. Laser processing in a liquid medium was shown to be effective and could be used to fabricate electrode and interconnects.
ISSN:0257-8972
1879-3347
DOI:10.1016/S0257-8972(99)00245-5