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2006
Conference Paper
Title

Nanoscale Deformation Measurements for Reliability Assessment of Material Interfaces

Abstract
With the development and application of micro/nano electronic mechanical systems (MEMS, NEMS) for a variety of market segments new reliability issues will arise. The understanding of material interfaces is the key for a successful design for reliability of MEMS/NEMS and sensor systems. Furthermore in the field of BIOMEMS newly developed advanced materials and well known engineering materials are combined despite of fully developed reliability concepts for such devices and components. In addition the increasing interface-to volume ratio in highly integrated systems and nanoparticle filled materials are challenges for experimental reliability evaluation. New strategies for reliability assessment on the submicron scale are essential to fulfil the needs of future devices. In this paper a nanoscale resolution experimental method for the measurement of thermo-mechanical deformation at material interfaces is introduced. The determination of displacement fields is based on scanning probe microscopy (SPM) data. In-situ SPM scans of the analyzed object (i.e. material interface) are carried out at different thermo-mechanical load states. The obtained images are compared by grayscale cross correlation algorithms. This allows the tracking of local image patterns of the analyzed surface structure. The measurement results are full-field displacement fields with nanometer resolution. With the obtained data the mixed mode type of loading at material interfaces can be analyzed with highest resolution for future needs in micro system and nanotechnology.
Author(s)
Keller, J.
Gollhardt, A.
Vogel, D.
Michel, B.
Mainwork
Testing, reliability, and application of micro- and nano-material systems IV  
Conference
Conference "Testing, Reliability, and Application of Micro- and Nano-Material Systems" 2006  
DOI
10.1117/12.658637
Language
English
Fraunhofer-Institut für Zuverlässigkeit und Mikrointegration IZM  
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