Smart Chip / Delta Tag

The Smart Chip is a patented and highly miniaturised device that enables the Bluechiip chain-of-custody system. The smart chip features instantaneous measurement of temperature and identification, while not affected by extreme environments such as cryogenic storage and gamma irradiation.

Each Smart Chip contains Lorentz force resonators tuned to frequencies between 1.3MHz and 4.1MHz. The device is passive, not requiring power, but the resonators, when stimulated, return a signal that indicates the unique identification and temperature of each smart chip. The unique identification number is programmed during the manufacturing process and the tag is checked by an internal BCH error detection and correction code. Every time a Smart Chip is read, the temperature is measured, time-stamped and recorded. This allows a temperature history to be recorded, providing a complete chain-of-custody. The Smart Chip survives sterilisation by autoclaving or gamma irradiation with no degradation or loss of function.

The Smart Chip is embedded in an antenna coil which can have different shapes or forms.

The Delta Tag is a Smart Chip in a small (5.5mm x 5.5mm) antenna coil and is used, for example, with retrofit buttons. The Smart Chip or Delta Tags are only available in large quantities to partners with a license and supply agreement. Small or trial quantities can be accessed via a Developer Kit.

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