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An in-mold packaging process for plastic fluidic devices.

Y E Yoo¹, K H Lee, T J Je

¹Nano-Mechanical Systems Research Division, Korea Institute of Machinery and Materials, Daejeon 305-343, Korea.

Journal of Nanoscience and Nanotechnology

|March 31, 2011

Summary

This summary is machine-generated.

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This study introduces a novel molding process to create enclosed microfluidic and nanofluidic devices without traditional solid-to-solid bonding. This method offers a faster, more efficient alternative for mass production of microfluidic and nanofluidic systems.

Area of Science:

Microfluidics and Nanofluidics
Materials Science
Manufacturing Engineering

Background:

Micro and nanofluidic devices require enclosed channels to prevent fluid leakage.
Conventional methods like solid-to-solid bonding for fabricating enclosed channels are time-consuming and unsuitable for mass production.

Purpose of the Study:

To propose and assess the feasibility of a new molding process for creating enclosed micro/nanochannels without solid-to-solid bonding.
To optimize process and mold design parameters for effective cover layer molding.
To evaluate the bond strength and seal performance of the molded covers compared to conventional methods.

Main Methods:

Fabrication of a brass microchannel master core based on a model design.
Injection molding of a plastic microchannel platform using the master core.

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Experimental investigation of four process and mold design parameters for cover layer molding.

Assessment of bond strength and seal performance of the molded enclosed channels.

Main Results:

Successful identification of feasible conditions for molding a cover layer over a plastic microchannel platform, enclosing the channels without filling them.
Demonstration of a novel molding technique as an alternative to conventional bonding or welding.
Comparative estimation of bond strength and seal performance against traditional methods.

Conclusions:

The proposed molding process is a feasible and potentially more efficient method for fabricating enclosed micro and nanofluidic devices.
This technique offers a viable alternative for mass production, overcoming the limitations of time-consuming conventional bonding processes.
Further optimization and characterization can enhance the application of this molding process in microfluidic device manufacturing.