OSTEMER polymer as a rapid packaging of electronics and microfluidic system on PCB

El Fissi, Lamia;Fernández, Román;García, Pablo;Calero, María;Francis, Laurent;et.al.
(2018) Sensors and Actuators A: Physical : an international journal devoted to research and development of physical and chemical transducers — Vol. 285, p. 511-518 (2018)

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Authors
  • El Fissi, LamiaUCLouvain
    Author
  • Fernández, RománAdvanced Wave Sensors S. L., Paterna, Spain
    Author
  • García, PabloAdvanced Wave Sensors S. L., Paterna, Spain
    Author
  • Calero, MaríaAdvanced Wave Sensors S. L., Paterna, Spain
    Author
  • Francis, Laurentorcid-logoUCLouvain
    Author
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Abstract
tA new heterogeneous integration method is presented that allows the integration of a microfluidic plat-form and a multi-channel quartz crystal microbalance array on a printed circuit board (PCB) using a dryadhesive bonding method. In this work, the microfluidic platform is a replica molded using a UV-curableOSTEMER 322 Crystal Clear polymer. The OSTEMER acts both as a final package for the cartridge andas a functional material for hosting molded microfluidic channels, the input reservoirs and the wastereservoir. The method is demonstrated by the integration of an array of 24 of a 150 MHz high funda-mental frequency quartz crystal microbalance (HFF-QCM) to the OSTEMER microfluidic packaging. Theresulting bond interface is shown to be completely homogeneous and void free, and the package is testedto a differential pressure of up to 4 bars. The leak test of the cartridge is performed by pressurizing amicrofluidic channel with an aqueous solution using an external peristaltic pump for more than 4 h. Thecartridge performance is evaluated by the electrical characterization. Q-factor values of 9507 and of 650are achieved in air and DI water, respectively. Results show that this simple integration method of theHFF-QCM is a promising way to integrate microfluidics into the more complex heterogeneous system.
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El Fissi, L., Fernández, R., García, P., Calero, M., García, J. V., Jiménez, Y., Arnau, A., & Francis, L. (2018). OSTEMER polymer as a rapid packaging of electronics and microfluidic system on PCB. Sensors and Actuators A: Physical : an international journal devoted to research and development of physical and chemical transducers, 285, 511-518. https://doi.org/10.1016/j.sna.2018.11.050 (Original work published 2018)