University Of Minnesota Scientists Develop 3D Printing On Skin


One of the US researchers has developed a latest 3-D printer which draws specific patterns of electrically conductive material which affect directly on a person’s skin, by creating temporary, or tattoo-like electronic devices.

In the June 6, researchers report Advanced Materials stated that unlike some other 3-D printers which are designed to layer material on the rigid, motionless objects, then the new system uses the computer vision for compensating a moving printing surface.

The Michael McAlpine is an engineer at the University of Minnesota in Minneapolis, and their colleagues also used this motion-savvy 3-D printer to create some wearable LEDs.

The printer fixed a premade LED light to the wearer’s skin, then drew a circuit around the bulb by using a polymer ink which is laced with the silver flakes and that allows the ink to conduct electric current.

After waiting at least 15 minutes for the ink to dry, then the user can keep the LED lit by holding wireless power transmitter over the printed circuit. McAlpine said that future on-the-body electronics could be powered by the 3-D printed batteries. The researchers printed the moisture sensors which could be used to monitor the sweat accumulation to measure the stress levels.

However, the wearable devices remain on for at least two hours, but the users can easily dispose of the prints by peeling them off with the washing or tweezers them off with water easily.

McAlpine’s team envisages the soldiers toting the compact 3-D printer, which weighs approximately 1.4 kilograms, in their packs to print biological or chemical agent sensors or some solar cells on the fly.

Source : https://brother-printer-support.net/blog/university-minnesota-scientists-develop-3d-printing-on-skin/

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