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Small Textile Tag Offers Read Range of 5 Meters or More

The UbiTEX tag, from UBI Solutions, was developed by Fenotag with an Impinj Monza chip to prevent folding, fit unobtrusively on small linens and still provide a long read distance.
By Claire Swedberg
Tags: Apparel

The R6-P chip enables some of that functionality, according to the company. Its AutoTune feature ensures that the tags can be read effectively in the presence of liquids, such as in wet towels or dirty laundry. The severity of that effect varies depending on the material. Wet towels can be much harder on tag reads than, for example, cardboard, says Carl Brasek, Impinj's senior director of silicon product management. AutoTune automatically recalibrates the tag chip "to compensate for any impact to the antenna tuning," he explains.

It also offers Enduro pads—metal pads that provide a durable connection between the chip and the antenna—specifically designed for harsh applications like laundry. The Enduro pads create a more uniform surface area, Brasek says, "meaning these chips are less prone to breakage or cracking than chips that use bumps as an antenna connection method." With Integra data diagnostics, the system offers a memory check to make sure the tag has been properly written, and provides an ongoing diagnostic check ensure that the tag has not been damaged in the laundry environment.

Renaud Munier
The tag consists of a Monza R6 chip and a small primer antenna built into what Elbaz calls a hard tag, with an electromagnetic coupling to a secondary antenna composed of a flexible thread. The tag is designed to be easily sewn onto the edge of an item and can withstand heat-sealing processes, so it can also be attached via adhesive. Moreover, Munier says, the tag enables a serial number to be laser-printed onto it so that users can visually identify it when needed.

Several companies are currently beta-testing the new tag, Munier says, and although he declines to name those businesses, he says they are in the hospitality and health-care sectors. Typically, tags are being attached to linens and towels along the hem, where they are difficult to detect. They are then put through the typical use case: used by patients, guests or employees of a company, then sent to laundry services. The tags are read automatically via fixed RFID readers built into chutes, laundry receiving areas or portals. Handheld readers can also be used by employees who receive, distribute or ship out the laundered or unlaundered items.

Didier Elbaz
UBI Solutions' UBI Cloud software captures each tag ID read and manages that data, making it available for users to view where and when goods have moved through specific areas. This information helps hotels or hospitals to understand when they may be running low on specific inventory, as well as carry out billing or replenishment. For laundry service providers, the technology can help them to manage the movements of goods through their own facilities, or view when a customer may require a pickup if that customer is sharing RFID-based data with the service provider.

Fenotag will sell its own version of the new tag as the FenoTEX-1358R6P. "For Fenotag," Elbaz says, "there is always a new demand with a new market approach and a challenge to take up. Our strength is to be able to manage RF design internally," including the antenna, the material used, the packaging, and cosmetic and personalization design specifications. The manufacturing is accomplished at the same site in France.

"This tag is only [one] step forward for the textile RFID industry," Elbaz states. "Many other steps are already in our hands," he says, and the company intends to propose other innovations in the future.

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