ConceptISO 18004
ISO/IEC 18004
A technical specification standard for QR Code published by the International Organization for Standardization. It defines requirements for symbol structure, data structure, error correction levels, and the quiet zone.
Timeline (last 90 days)
Oct 12
The ISO/IEC 18004 specification requires that each side of a QR code symbol have a blank quiet zone at least four modules wide.
Unverified50%