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Microsystem Technologies

, Volume 25, Issue 11, pp 4399–4403 | Cite as

Fast packaging of glass-based microfluidic chip using adhesive polyurethane material

  • Tianyi Su
  • Kai ChengEmail author
  • Yeming Sun
Technical Paper

Abstract

A fast packaging method is proposed to fabricate the packaging of glass-based chips using polyurethane (PU). The performance properties of this material can be justified by the A-glue/B-glue weight ratio. To choose an appropriate proportion of glues, water contact angle, 90° peel strength, and shore hardness are employed to measure the PU material. By increasing the A-glue/B-glue weight ratio, the hardness of the PU board decreases, the peel strength increases, and the contact angle increases first and then decreases. Based on the performance of PU material, an A-glue/B-glue weight ratio of 3.6:1 is adapted to package the glass chip. However, the softness of PU led to the design and implementation of a stable plate to protect the chip. Mixing application experiment results verified the validity of the PU packing method. After comparing three packaging method, the glass-PU chip packing method was the most efficient and economical. Test results indicate that the PU Packing method can be widely used in the fabrication of microfluidic chips.

Notes

Acknowledgements

This project is supported by the National Natural Science Foundation of China (Grant no. 51505077), the Project Agreement for Science and Technology Innovation Development Project of Jilin City (Grant no. 201750230).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Mechanical and Aerospace EngineeringJilin UniversityChangchunChina
  2. 2.School of Mechanical EngineeringNortheast Electric Power UniversityJilinChina

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