2008 NSTI Nanotechnology Conference and Trade Show - Nanotech 2008 - 11th Annual

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TechConnect Summit
Clean Technology 2008

Advanced Adhesives based on Carbon Nanotube Technology

H.-J. Fecht, A. Caron, L. Kroner, F. Hennrich, A. Leson, B. Michel, M. Werner
Ulm University, DE

CTN, adhesives

Most fundamental properties of a material change if the geometry size in at least one dimension is reduced to a critical value well below 100 nanometres. This allows controlled tuning of the physical properties of a macroscopic material. Every property has a critical length scale, e.g. the screening length of electrons, strain fields of dislocations, screening of phonons at interfaces etc. If a nanoscale building block is made smaller than the critical length scale of this particular property, the fundamental physics of that property can change drastically. By altering the sizes of those building blocks, controlling their interface and surface chemistry, their atomic structure, and their assembly, it becomes possible now to engineer properties and functionalities in completely new ways. This newly emerging field therefore uses nanotechnology effects to achieve a better device / system performance. In this regard, reliability and concurrent lifetime / performance enhancements become the key issues in current micro and nanotechnologies. In particular, for microsystems packaging and system integration new processing techniques are being developed on the basis of advanced composites using nanoscale building blocks - here carbon nanotubes - incorporated in relevant interconnect materials, such as metallic solders and highly conductive polymer based adhesives. The major goal is the improvement of their electrical, mechanical and thermal performance including the control of the interfaces between the nanotubes and adhesives as well as enhanced compatibility with recent environmental regulations. Here, we present first results on the synthesis of these advanced adhesive composites, their structural and physical characterization, their reliability enhancement and related lifetime analysis. Alternatively, carbon nanotubes are grown in a controlled manner from appropriate substrates in order to provide possibilities for new interconnect technology and test structures.

Nanotech 2008 Conference Program Abstract