In the present work a technique to impart a controlled deformation to a substrate through deposition of a thin film is shown. Such a technique allows film-substrate systems to be tailored with a desired shape for various applications. An analytical model has been applied to calculate the displacements and stresses of a patterned crystalline substrate. Analytical results have also been validated via Finite Element simulations. Si substrates have been patterned with Si3N4 and measurements of the transverse displacement were found to agree with the theoretical predictions. © 2011 Elsevier B.V. All rights reserved.
Patterning and modeling of mechanically bent silicon plates deformed through coactive stresses / Guidi, V.; Lanzoni, L.; Mazzolari, A.. - In: THIN SOLID FILMS. - ISSN 0040-6090. - 520:3(2011), pp. 1074-1079. [10.1016/j.tsf.2011.09.008]
Patterning and modeling of mechanically bent silicon plates deformed through coactive stresses
Lanzoni, L.;
2011
Abstract
In the present work a technique to impart a controlled deformation to a substrate through deposition of a thin film is shown. Such a technique allows film-substrate systems to be tailored with a desired shape for various applications. An analytical model has been applied to calculate the displacements and stresses of a patterned crystalline substrate. Analytical results have also been validated via Finite Element simulations. Si substrates have been patterned with Si3N4 and measurements of the transverse displacement were found to agree with the theoretical predictions. © 2011 Elsevier B.V. All rights reserved.
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