RFID inlay

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RFID inlay

The RFID tag in a smart label. It comprises the chip and aluminum, copper or silver antenna bonded to a polyethylene terephthalate (PET) layer that is delivered to the label maker "dry" (without adhesive) or "wet" (attached to a pressure sensitive liner). The inlay is adhered to the back side of the label and printed and encoded in an RFID printer. See RFID tag, RFID reader, RFID printer and RFID.


A Roll of Inlays
Inlays are delivered to the label maker in a roll such as these dual dipole "Frog" inlays from UPM Raflatac. They are adhered to the back of the smart label, which is then printed and encoded in an RFID printer. (Image courtesy of UPM Raflatac, www.raflatac.com)
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Before the RF Loop Tag launch, our message was to buy a finished transponder, or better yet, buy a wet inlay.
Small or mid-sized companies are buying the wet inlays.
The difference between the two is an extra converting step: wet inlays are also laminated with adhesive, diecut and attached to a release liner.
Despite the extra steps involved in creating wet inlays, some inlay suppliers, such as UPM Raflatac, now offer each at identical prices.
According to Davenport, "Most of the converters in the field will convert a dry inlay into a PS wet inlay to use in their label products.
In the basic wet inlay insertion configuration, label facestock is printed inline flexographically, then delaminated from the release liner and routed to the Basic RFID module.
With the advanced dry or wet inlay insertion, label face-stock is printed, then delaminated from the release liner and routed to the Advanced RFID module built into the press.
Main applications for Wet Inlays are logistics, supply chain management, document identification and library management.
Muhlbauer's new CL 60000 is a highly flexible and modular RFID converting system, suitable for a maximum variety of output products: wet inlays, self-adhesive labels, tickets, hang tags and baggage tags (partially with optional integrable modules).
Muhlbauer's new CL 60000 is a flexible and modular RFID converting system, suitable for a maximum variety of output products: wet inlays, self-adhesive labels, tickets, hang tags and baggage tags (partially with optional integrable modules).
All of the products are available as dry and wet inlays as well as paper-faced tags.
The panel explained a lot of the basic mechanics of RFID, including the difference between wet inlays, dry inlays and straps (see box).