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Double-Sided Micromoulding Process for Reproducible Manufacturing of Thin Layers and 3D Microchannels in PDMS
KTH, School of Electrical Engineering (EES), Microsystem Technology (Changed name 20121201). (Microsystem Technology Lab)
KTH, School of Electrical Engineering (EES), Microsystem Technology (Changed name 20121201). (Microsystem Technology Lab)ORCID iD: 0000-0002-0441-6893
KTH, School of Electrical Engineering (EES), Microsystem Technology (Changed name 20121201). (Microsystem Technology Lab)
KTH, School of Electrical Engineering (EES), Microsystem Technology (Changed name 20121201). (Microsystem Technology Lab)ORCID iD: 0000-0001-8248-6670
2012 (English)In: 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (microTAS 2012), 2012, 659-661 p.Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

To fabricate complex microfluidic devices in a rapid manner, we have developed a novel method for simultaneous patterning of two sides of a single layer of PDMS using double-sided micromoulding. A mould surface coating containing aminosilanised poly(vinyl alcohol) (PVA) provides low-stress release of fragile polymer structures from the mould as well as inhibition of PDMS polymerisation at through-hole locations, thus enabling fabrication of membranes and 3D microfluidic networks in a single step. Alignment of the top and bottom patterns is achieved already during the moulding step using guiding structures in the mould halves, leading to a procedure with a minimum number of alignment and bonding steps needed to fabricate fragile 3D microfluidic devices.

Place, publisher, year, edition, pages
2012. 659-661 p.
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-104071Scopus ID: 2-s2.0-84901798284OAI: oai:DiVA.org:kth-104071DiVA: diva2:562943
Conference
16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (microTAS 2012),Okinawa, Japan, 28 Oct-1 Nov, 2012
Note

QC 20130110. QC 20160314

Available from: 2012-10-26 Created: 2012-10-26 Last updated: 2016-03-14Bibliographically approved

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Haraldsson, Tommyvan der Wijngaart, Wouter

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