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Modelling of the filling of micro-cavities of finite geometry by amorphous polymers using hot-embossing

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Abstract

The possibility to fill cavities of finite geometry could be described using an analytical model of the hot-embossing process of viscoelastic polymers. This model is based on the volume conservation during the forming process which allows to predict data concerning the geometrical evolution of the material on one hand, and on the other hand the filling time of cavities in the mould. A particular attention was drawn on the necessary time to fill the cavities depending on their shape or a scale factor for a given cavity shape.

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Acknowledgments

The Regional Council of the Franche-Comté is greatly acknowledged for providing the Ph.D. grant for M. Sahli.

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Authors and Affiliations

  1. Surface Microanalysis Laboratory (LMS), ENSMM, 25030, Besançon, France

    M. Sahli & C. Roques-Carmes

  2. LPMO Department, FEMTO-ST Institute, CNRS UMR 6174, 25044, Besançon, France

    M. Sahli & C. Khan Malek

  3. FEMTO-ST Institute/Applied Mechanics Department, ENSMM, 25030, Besançon, France

    M. Sahli & J. C. Gelin

Authors
  1. M. Sahli
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  2. C. Roques-Carmes
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  3. C. Khan Malek
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  4. J. C. Gelin
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Correspondence to M. Sahli.

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Sahli, M., Roques-Carmes, C., Khan Malek, C. et al. Modelling of the filling of micro-cavities of finite geometry by amorphous polymers using hot-embossing. Microsyst Technol 14, 1545–1551 (2008). https://doi.org/10.1007/s00542-008-0565-8

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  • DOI: https://doi.org/10.1007/s00542-008-0565-8

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