Series in MICROSYSTEMS
edited by P. A. Besse,
R. S. Popovic,
MEMS Micro-Capsules for Liquid
Encapsulation and Release
Konstanz 2013. XIV, 178 p.; € 64,00.
Liquid microencapsulation has shown a high interest at an academic and industrial level during the past decades as a key technology for drug delivery, fragrance release or self-healing materials among others. Its compatibility with smart microsystems fabrication processes is still an issue but may enable very advanced applications. Self-assembly has shown to be a very promising approach for parallel assembly of micro components where standard techniques show limitations.
This book explores some of the key requirements for the development of self-assembling smart microcapsules able to exchange information with their environment. In a ﬁrst step, the focus is set on the fabrication of polymeric half-microcapsules having precisely-controlled shapes by on photolithography and inkjet printing technology onto silicon wafers. Various approaches for their face-selective surface treatment are also demonstrated. Subsequently, their ﬂuid-mediated self-assembly into two-component complete microcapsules entrapping a functional liquid is addressed.
About the author:
Loïc Jacot-Descombes was born in Switzerland in 1983. He studied physics at the Swiss Federal Institutes of Technology, in Lausanne and Zürich and obtained his M.Sc. in 2009. After a master thesis at the University of California, San Diego involving dynamic light scattering studies of ﬂuid microdynamics, he joined the laboratory of microsystems to start his PhD thesis in the group of Prof. J. Brugger. In 2013, he obtained his PhD degree for his work on the fabrication based on inkjet printing and photolithography of MEMS microcapsules. These capsules enabled to encapsulate liquid by fluid-mediated self-assembly and to release it.
Keywords: Liquid micro-encapsulation, Self-assembly, Inkjet printing, Spherical cap shape control, Self-disassembly, Controlled release
Mots clés : Micro-encapsulation de liquide, Auto-assemblage, Impression à jet d’encre, Forme de calotte sphérique contrôlée, Auto-désassemblage, Délivrance de médicaments
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Hartung-Gorre Verlag / D-78465 Konstanz / Germany