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World's Smallest QR Code Breaks Record at 1.977 Micrometers

3/2/2026

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Summary

Story summary

Researchers from Vienna University of Technology (TU Wien) and Cerabyte, led by Paul Mayrhofer, created the world's smallest QR code at 1.977 square micrometers.
The code is engraved into a thin ceramic film designed for long-term data storage without electricity and could last centuries, storing over 2 terabytes on a single A4 sheet.
Guinness World Records verified the achievement on December 3, 2025.

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Story summary

Researchers from Vienna University of Technology (TU Wien) and Cerabyte, led by Paul Mayrhofer, created the world's smallest QR code at 1.977 square micrometers.
The code is engraved into a thin ceramic film designed for long-term data storage without electricity and could last centuries, storing over 2 terabytes on a single A4 sheet.
Guinness World Records verified the achievement on December 3, 2025.