Characterization of thin film adhesion by MEMS shaft-loading blister testing

A new microelectromechanical system shaft-loaded blister test was developed and demonstrated to provide stability, repeatability, and simultaneous quantitative measurements of adhesion between thin films deposited on a silicon substrate. The authors assessed adhesion of sputtered platinum, copper, a...

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Veröffentlicht in:Journal of vacuum science & technology. A, Vacuum, surfaces, and films Vacuum, surfaces, and films, 2013-05, Vol.31 (3)
Hauptverfasser: Berdova, Maria, Lyytinen, Jussi, Grigoras, Kestutis, Baby, Anu, Kilpi, Lauri, Ronkainen, Helena, Franssila, Sami, Koskinen, Jari
Format: Artikel
Sprache:eng
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Zusammenfassung:A new microelectromechanical system shaft-loaded blister test was developed and demonstrated to provide stability, repeatability, and simultaneous quantitative measurements of adhesion between thin films deposited on a silicon substrate. The authors assessed adhesion of sputtered platinum, copper, and chromium/copper (300 nm) to underlaying atomic layer deposited (ALD) aluminum oxide. The average adhesion energies for thin films on ALD aluminum oxide were found to be 1.15 ± 0.1 J/m2 for platinum thin films, 1.4 J/m2 for copper thin films, and 1.75 J/m2 for chromium/copper.
ISSN:0734-2101
1520-8559
DOI:10.1116/1.4801921