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Open AccessProceedings

A Diffusor/Nozzle Pump Based on a Magnetically Actuated Flexible PCB Diaphragm

Institute for Microelectronics and Microsensors, Johannes Kepler University Linz, 4040 Linz, Austria
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Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
Proceedings 2018, 2(13), 1077; https://doi.org/10.3390/proceedings2131077
Published: 16 November 2018
(This article belongs to the Proceedings of EUROSENSORS 2018)
We present a valveless microfluidic pump utilizing an oscillating membrane made from a flexible printed circuit board. The microfluidic channel is fabricated by a 3D printing process and features diffuser/nozzle structures to obtain a directed flow; the flexible membrane is bonded to the channel. The membrane is actuated via Lorentz forces to accomplish out-of-plane motions and push the fluid through the channel. A permanent magnet provides the static magnetic field required for the actuation. The simple fabrication method can potentially be used for inexpensive mass fabrication for disposable devices.
Keywords: microfluidic pump; valveless pump; diffusor/nozzle structure; flexible PCB; Lorentz force actuation microfluidic pump; valveless pump; diffusor/nozzle structure; flexible PCB; Lorentz force actuation
MDPI and ACS Style

Hintermüller, M.A.; Jakoby, B. A Diffusor/Nozzle Pump Based on a Magnetically Actuated Flexible PCB Diaphragm. Proceedings 2018, 2, 1077.

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