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Proceedings Paper

Determination of mechanical stress in the silicon nitride films with a scanning electron microscope
Author(s): N. A. Djuzhev; E. E. Gusev; A. A. Dedkova; N. Patiukov
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Paper Abstract

A method to measure mechanical stress in thin films was proposed. Method is based on the geometry variance of thin film’s fragment after it’s been released from substrate. A scanning electron microscope (SEM) was used to measure linear dimensions. Samples were prepared with help of focused ion beam (FIB). Mechanical stress of silicon nitride thin film measured using our method is -1.64 GPa, relative measurement error estimated as 1.2%. Measured value of stress correlates with other method’s existing data. Method can be applied to various materials, that are being used in MEMS technology.

Paper Details

Date Published: 30 December 2016
PDF: 6 pages
Proc. SPIE 10224, International Conference on Micro- and Nano-Electronics 2016, 1022428 (30 December 2016); doi: 10.1117/12.2250118
Show Author Affiliations
N. A. Djuzhev, National Research Univ. of Electronic Technology (Russian Federation)
E. E. Gusev, National Research Univ. of Electronic Technology (Russian Federation)
A. A. Dedkova, National Research Univ. of Electronic Technology (Russian Federation)
N. Patiukov, National Research Univ. of Electronic Technology (Russian Federation)


Published in SPIE Proceedings Vol. 10224:
International Conference on Micro- and Nano-Electronics 2016
Vladimir F. Lukichev; Konstantin V. Rudenko, Editor(s)

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