Micro-tensile tests on micromachined metal on polymer specimens: elasticity, plasticity and rupture

Details Micro-tensile tests on micromachined metal on polymer specimens: elasticity, plasticity and rupture Micro-tensile tests on micromachined metal on polymer specimens: elasticity, plasticity and rupture

2008-05-07

arxiv.org/abs/0805.0942v1

Dans Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS - DTIP 2008, Nice : France (2008)

Computer Science

Other Computer Science

Submitted on behalf of EDA Publishing Association (http://irevues.inist.fr/handle/2042/16838)

Scientific paper

This study is focused on the mechanical characterization of materials used in microelectronic and micro- electromechanical systems (MEMS) devices. In order to determine their mechanical parameters, a new deformation bench test with suitable micromachined specimens have been developed. Uniaxial tensile tests were performed on "low cost" specimens, consisting in electroplated thin copper films and structures, deposited on a polimide type substrate. Moreover, a cyclic mechanical actuation via piezoelectric actuators was tested on the same deformation bench. These experiments validate the device for performing dynamic characterization of materials, and reliability studies of different microstructures.

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