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A Novel Method For Rapid Fabrication Of Pmma Microfluidic Chip By Laser Cutting And Sealing Integration

Author

Listed:
  • XUEYE CHEN

    (Faculty of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121001, P. R. China)

  • TIECHUAN LI

    (Faculty of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121001, P. R. China)

  • QI GAO

    (Faculty of Mechanical Engineering and Automation, Liaoning University of Technology, Jinzhou 121001, P. R. China)

Abstract

In this paper, we present a new method that is capable of manufacturing microfluidic chips of polymethyl methacrylate (PMMA) rapidly and cheaply. This technique, which we call Tape adhering-Laser Cutting and Sealing Integration (TLCSI), only utilizes a CO2 laser and a piece of double-sided tape to produce a microfluidic chip in several minutes. It only has three main steps. First, the double-sided tape sticks to the surface of a PMMA substrate. Second, the microchannel should be cut on the surface of the double-sided tape. At last, a PMMA cover plate with liquid pools is pressed onto the surface of the double-sided tape and a CO2 laser is used to cut edges of the chip for sealing the chip. We present a qualified microfluidic chip with regular microchannels and sealing strength of 1.2Mpa. Compared with most current fabrication methods, TLCSI is a quick and cost-effective way to produce microfluidic chips of PMMA.

Suggested Citation

  • Xueye Chen & Tiechuan Li & Qi Gao, 2019. "A Novel Method For Rapid Fabrication Of Pmma Microfluidic Chip By Laser Cutting And Sealing Integration," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(08), pages 1-7, October.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:08:n:s0218625x19500422
    DOI: 10.1142/S0218625X19500422
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