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Title: Fabrication and characterization of multilayer amorphous carbon films for microcantilever devices
Authors: Teo, E.H.T.
Chua, D.H.C. 
Lim, L.T.W.
O'Shea, S.
Miao, J.M.
Tay, B.K.
Keywords: Amorphous carbon film
Frequency response
Microelectromechanical systems
Issue Date: May-2008
Citation: Teo, E.H.T., Chua, D.H.C., Lim, L.T.W., O'Shea, S., Miao, J.M., Tay, B.K. (2008-05). Fabrication and characterization of multilayer amorphous carbon films for microcantilever devices. IEEE Sensors Journal 8 (5) : 616-620. ScholarBank@NUS Repository.
Abstract: Various multilayer amorphous carbon films were prepared by a double bend filtered cathodic vacuum arc system in conjunction with a substrate voltage pulse bias generator. The internal structure of the multilayer films consisted of equal layers of high sp3 content (80%) films interspaced periodically (and uniformly) between layers of moderate sp3 content (60%) films. The modulation of the multilayer films was systematically varied so as to achieve films of different internal composition for comparative studies. The set of films were further annealed for thermal stability measurements. Properties measured included reduced modulus and stress. Free-standing microcantilevers have also been subsequently fabricated using the various different types of multilayer film using standard lithography and wet etching. The resonance frequencies of the microcantilevers were then measured by a vacuum laser vibrometer setup. © 2008 IEEE.
Source Title: IEEE Sensors Journal
ISSN: 1530437X
DOI: 10.1109/JSEN.2008.918986
Appears in Collections:Staff Publications

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