2016年3月14日星期一

RFID Wet Inlays and Dry Inlays

EM4124 UHF EPC GEN2 RFID inlay designed to offer long read rang in a wide kinds of logistics and inventory applications. Featuring at the same time a slim form factor that makes the EPC GEN2 tag fit narrow box sides and spines. We offer EM4124 dry inlay and wet inlay.

EM4124 can be a certified EPCTM Class-1 Generation-2 (Gen2) IC and compliant with ISO/IEC 18000-6:2010 Type C. Each chip is done using a 64-bit Unique Identifier to be sure full traceability.

The EM4124 has 176 pieces of non-volatile memory (16 bit PC Word, 96 bit EPC Code, 32 bit Kill Password and 32 bit Access Password), enabling the support of ISO or EPC data structures. Each chip is delivered which has a 96-bit EPC encoding with pre-encoded support for Multi-vendor Chip-based Serialization (MCS).

EM4124 achieves a normal read sensitivity of -19 dBm at the chip level, which translates into an average -21 dBm sensitivity in the tag level to get a dipole-like antenna with 2 dBi gain (25us TARI, 250 kHz BLF).
RFID inlays are composed of an IC (Integrated Circuit, Chip) and a Dipole antenna.  To attach the antenna to the IC we commonly use a strap.
Antennas can be made of silver, aluminum or copper, with each material producing very specific read and write characteristics because of the different chemical properties.  While there are some more exotic materials sometimes used for antennas they are considerably more expensive to produce and very vertical application specific. Generally a copper antenna is slightly more expensive that aluminum or silver but is more conductive and usually provides a longer distance read capability.

Inlays come on rolls ready to package/ecapsulate into finished tags.  Each roll contains between 5,000 and 20,000 inlays and the automated equipment to make a tag must be set up for each roll type so a production run of 5,000 tags can easily be a single roll or a 1/4 of a roll.  Most converters operate JIT facilities meaning that stock or inventory is not kept since there are so many varieties of inlays that can be used to produce a single tag.

Just as there is a very wide variety of IC's for inlays, there is also a very wide variety of antennas ranging from very small - Dot, Button, Paperclips through DogBone, Hammer, Crab, Radar, Satillite, Squiggle, Mini Squiggle, Torpedo, Xcaliber, Web and Frog sizes - each inlay usually has a specific name to identify it.
-ISO 18000-6C compliant
-EPC Class-1 Gen-2 certified
-Supports Multi-vendor Chip-based Serialization
-96-bit EPC / UII encodings are supported
-64-bit manufacturer-programmed & locked Unique Identifier (TID / UID)
-19 dBm (-21 dBm) typical IC (tag) read sensitivity
-32-bit password-protected Kill command
-32-bit password-protected Access command
-Extended temperature range (–40°C to +85°C)
Supply chain management
-Tracking and tracing
-Container identification
-Access control
-Asset control

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