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Ultrathin RFID modules fit paper tags

Posted: 30 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:RFID? paper tag application? ESD?

Murata Manufacturing Co. Ltd has significantly reduced the thickness of its Magicstrap tiny RFID modules range making them suitable for paper label inlays for mainstream retail applications.

The Japanese group has managed to embed all the necessary RF circuitry, including antenna filters, matching circuitry and ESD protection within the LTCC substrate using its multi-layer ceramic technology expertise.

The size of the second generation modules is thus 1.6mm x 1mm x 0.25mm, and the module's thickness has been reduced by more than half and its volume by 89 percent.

The modules can be mounted using ordinary adhesive, with only millimeter accuracy, on to almost any conductive surface to act as the antenna.

Its low placement accuracy requirements allow RFID inlays for paper tags to be manufactured without sophisticated component placement machinery which results in substantial cost savings for manufacturers. The module's embedded wideband antenna matching circuit allows the part to be readable over the 860MHz 960MHz band at a distance of up to 5m.

This, the company says, means the same module can be used worldwide (in Europe, the United States and Japan), saving cost and inventory.

- John Walko
EE Times Europe

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