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Updated: May 15, 2026

Fabrication of the Thermoplastic Microfluidic Channels

Fabrication of the Thermoplastic Microfluidic Channels

Published on: February 3, 2008

Microfluidic device fabrication by thermoplastic hot-embossing.

Shuang Yang¹, Don L Devoe

¹Department of Mechanical Engineering, University of Maryland, College Park, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)

|January 19, 2013

Summary

Thermoplastics like PMMA and PC are cost-effective for fabricating lab-on-a-chip devices. Hot embossing using silicon templates successfully replicates microscale features in these materials for prototyping.

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Area of Science:

Materials Science
Microfluidics
Nanotechnology

Background:

Thermoplastics are attractive for lab-on-a-chip (LOC) platforms due to low cost and compatibility with replication-based fabrication.
A variety of thermoplastics offer diverse mechanical and chemical properties for tailored microfluidic applications.
Hot embossing is a cost-effective prototyping technique for high-quality microfluidic devices, complementing high-throughput methods like reel-to-reel processing.

Purpose of the Study:

To describe methods for replicating microscale features in thermoplastics using hot embossing.
To evaluate the suitability of polymethylmethacrylate (PMMA) and polycarbonate (PC) for microfluidic chip fabrication via hot embossing.

Main Methods:

Hot embossing of microscale features into PMMA and PC.

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Last Updated: May 15, 2026

Fabrication of the Thermoplastic Microfluidic Channels

Fabrication of the Thermoplastic Microfluidic Channels

Published on: February 3, 2008

Study of a Dot-patterning Process on Flexible Materials using Impact Print-Type Hot Embossing Technology

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Published on: May 12, 2008

Fabrication of a silicon template using deep reactive-ion etching (DRIE).

Replication of microfeatures from the silicon template onto thermoplastic substrates.

Main Results:

Successful replication of microscale features in PMMA and PC was achieved.
Hot embossing demonstrated its effectiveness as a method for microfluidic device prototyping.
The study highlights the potential of PMMA and PC for LOC applications.

Conclusions:

Hot embossing is a viable and cost-effective method for fabricating microfluidic devices from PMMA and PC.
The use of silicon templates enables precise replication of microscale features for prototyping.
Thermoplastics offer a versatile material platform for advancing lab-on-a-chip technologies.