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.

 

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About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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