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Multi-layer plastic/glass microfluidic systems containing electrical and mechanical functionality.

Arum Han1, Olivia Wang, Mason Graff

  • 1School of Electrical & Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0250, USA. gt0478a@prism.gatech.edu

Lab on a Chip
|April 22, 2004
PubMed
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This study presents a novel method for creating integrated multi-layer microfluidic devices using glass and plastic. The approach successfully combines materials and incorporates electrical and mechanical functions for advanced micro-systems.

Area of Science:

  • Microfluidics
  • Materials Science
  • MEMS (Micro-Electro-Mechanical Systems)

Background:

  • Fabricating complex multi-layer microfluidic systems often involves challenges in material compatibility and integration of diverse functionalities.
  • Existing methods may struggle to seamlessly incorporate electrical and mechanical components within a single microfluidic device.

Purpose of the Study:

  • To develop and demonstrate an approach for fabricating integrated multi-layer microfluidic systems using a combination of glass and plastic materials.
  • To characterize the microfabrication technologies and the performance of the resulting systems.

Main Methods:

  • Combined conventional MEMS fabrication with plastic processing techniques: hot embossing, heat staking, injection molding, microstenciling of electrodes, and stereolithography.

Related Experiment Videos

  • Fabricated and characterized multi-layer plastic/glass microfluidic systems.
  • Integrated electrical components (electrodes) and mechanical functionalities (microactuators).

    • Main Results:

    • Successfully realized monolithic multi-layer microfluidic systems integrating multiple materials (glass and plastic).
    • Demonstrated the effective integration of electrical functionality throughout the microfluidic system.
    • Incorporated microactuators, such as micropumps and valves, and developed interconnect technology for fluid and electrical interfacing.

    Conclusions:

    • The presented approach offers a versatile solution for fabricating advanced multi-layer microfluidic devices.
    • The method enables seamless integration of materials, electrical components, and microactuators, paving the way for more sophisticated micro-systems.
    • This fabrication strategy facilitates robust interfacing between micro-scale systems and the macro world.