Scientists have successfully developed flexible circuits that can be attached to contact lenses/hairs

Scientists have successfully developed flexible circuits that can be attached to contact lenses/hairs

Researchers at the Swiss Federal Institute of Technology in Zurich recently created a circuit with a very clear and flexible electronic circuit that can be attached to the surface of a contact lens or human hair because of its very thinness.

Professor Giovanni Salvatore, who is responsible for the project, said that the technology is finally expected to be developed as an implantable medical device, and proposed the concept of "smart contact lens" that can be used to measure intraocular pressure in patients with glaucoma.

To create such a flexible circuit, the team used electron beam evaporation, atomic layer deposition, spin coating, and RF sputtering to create structures that were then lithographically etched and etched.

The material that holds the circuit is called palylene. The researchers said: “palylene is the most suitable material. He can withstand high temperatures up to 150 degrees Celsius and will not be corroded by most solvents. The biggest advantage is that this material is transparent. , which means he has a wider and more flexible use."

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