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Proceedings Paper

Hermeticity tests on organically sealed micro-packages using FTIR spectroscopy
Author(s): D. Veyrié; J.-L. Roux; F. Pressecq; A. Tetelin; C. Pellet
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Paper Abstract

This paper presents hermeticity tests carried out on organically sealed MEMS micro-packages, using Fourier Transform Infra Red (FTIR) spectroscopy. Infrared spectroscopy, classically dedicated to material analysis, can be used to monitor the internal pressure of micro-packages, and to assess so their hermeticity. This technique was applied to BCB sealed micro-packages to study the influence of different parameters on their hermeticity properties, like the sealing ring dimensions or the addition of an external coating. The technique was validated for silicon micro-packages with a volume of 5 mm3 or more. Moreover, measurements carried out on micro-cavities with external parylene coatings have demonstrated that infrared spectroscopy measurements could be performed on MEMS packages with hermetic organic coatings.

Paper Details

Date Published: 5 January 2006
PDF: 9 pages
Proc. SPIE 6111, Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS V, 61110R (5 January 2006); doi: 10.1117/12.646001
Show Author Affiliations
D. Veyrié, CNES French Space Agency (France)
IXL, Univ. Bordeaux 1 (France)
J.-L. Roux, CNES French Space Agency (France)
F. Pressecq, CNES French Space Agency (France)
A. Tetelin, IXL, Univ. Bordeaux 1 (France)
C. Pellet, IXL, Univ. Bordeaux 1 (France)

Published in SPIE Proceedings Vol. 6111:
Reliability, Packaging, Testing, and Characterization of MEMS/MOEMS V
Danelle M. Tanner; Rajeshuni Ramesham, Editor(s)

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