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Proceedings Paper

Microstructure of metal coatings deposited using ion-beam processes
Author(s): Nasrat A. Raouf; Ghanim A. Al-Jumaily; Daniel R. Coulter
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Paper Abstract

Ion beam deposition processes were used to influence the microstructure and scattering characteristics of gold and platinum coatings. These metallic coatings were deposited onto super-polished fused silica and Zerodur substrates. They were deposited using thermal evaporation, ion assisted deposition, sputtering, and ion assisted sputtering. The microstructure of these films was characterized using an optical scatterometer, an optical profilometer, a stylus profilometer, scanning tunneling microscopy, and atomic force microscopy. We found that these metallic coatings deposited using ion beam deposition produced lower optical scattering and related surface microroughness.

Paper Details

Date Published: 4 March 1993
PDF: 12 pages
Proc. SPIE 1782, Thin Films for Optical Systems, (4 March 1993);
Show Author Affiliations
Nasrat A. Raouf, Jet Propulsion Lab. (United States)
Ghanim A. Al-Jumaily, Jet Propulsion Lab. (United States)
Daniel R. Coulter, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 1782:
Thin Films for Optical Systems
Karl H. Guenther, Editor(s)

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