Ferrite-based NFC inlays and tags immune to metallic objects

September 19, 2019 //By Julien Happich
NFC inlays
The Block On-Metal tags from Smartrac Technology Group are flexible, ferrite-based NFC inlays and tags suitable for multiple industrial, retail and B2C applications where items with metallic surfaces need to be identified or interacted with.

The tags combine a performance-optimized antenna design with a thin layer of flexible ferrite material, which isolates the magnetic field from the metal surface. Ferrite redirects the reader’s inductive field and prevents energy from being wasted as heat within the metallic surface.

Due to their excellent quality, on-metal performance and read range, the tags are suitable for a wide array of industrial, retail and consumer applications. The 50x50mm tags allow the identification and provision of a digital identity to many items, from metallic components to spare parts, signs, tools, even machines and domestic items. They are compatible with roll-to-roll manufacturing processes, which makes onward processing much easier and more cost-effective, and allows converters to overprint the inlays if required. The Block On-Metal tags are equipped with the newest member of NXP’s SLIX product family, the ICODE SLIX2 IC which complies with the NFC Forum Type 5 standard and is fully backward-compatible to SLIX, with increased user memory size. Additional notable features of the ICODE SLIX2 IC are flexible user memory segmentation with separate access conditions, a password-protected on-chip service cycle counter, and a 2.5 Kbit user memory size.

Smartrac Technology Group – www.smartrac-group.com


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