Disposable electronic circuits produced with a T-shirt printer

Someday soon, your milk carton may be able to tell you that the milk has spoiled, or your bandage may indicate that it needs changing. These and other things could be made possible by a new technique developed at Singapore’s Nanyang Technological University, which allows disposable electronics to be printed on a variety of surfaces, using an existing T-shirt printer.

Developed by a team led by Prof. Joseph Chang, the system incorporates building materials including “silver nanoparticles, carbon and plastics.” These are applied in layers to flexible materials such as paper, plastic and aluminum foil.

The researchers have printed off complete electrical circuits containing resistors, transistors and capacitors. These circuits have included a 4-bit digital-to-analog converter (typically used for converting digital signals into sound), and RFID tags.

Disposable electronic circuits produced with a T-shirt printer
Prof. Joseph Chang (right) and his team at Nanyang Technological University

According to Chang, the circuits can be printed on demand in minutes for a few cents each, and the system can be scaled to produce large or small electronics. He also states that it’s an entirely green process, requiring no toxic chemicals or oxidizing agents … although studies have indicated that silver nanoparticles aren’t entirely innocuous.

 

For more detail: Disposable electronic circuits produced with a T-shirt printer


About The Author

Ibrar Ayyub

I am an experienced technical writer with a Master's degree in computer science from BZU Multan University. I have written for various industries, mainly home automation, and engineering. I have a clear and simple writing style and am skilled in using infographics and diagrams. I am a great researcher and is able to present information in a well-organized and logical manner.

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