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QR Code Smaller Than Hair Width Created
6 Apr
Summary
- Researchers created a microscopic QR code smaller than a human hair.
- The tiny QR code measures only 1.977 square micrometers in size.
- It was made using a focused ion beam to cut chromium nitride film.

Researchers at TU Wien have engineered a groundbreaking QR code, pushing the boundaries of microscopic technology. This newly created QR code is smaller than the width of a human hair, measuring an astonishing 1.977 square micrometers.
The fabrication process involved using a focused ion beam to meticulously cut a thin layer of chromium nitride. This precise technique highlights the remarkable accuracy achievable in nanotechnology today.
This miniature marvel exemplifies progress in ultra-precise manufacturing. It underscores the potential for future innovations in areas such as advanced data storage solutions and novel material applications.