Abstract
In this paper, we report the development of ultrasmall and low power wireless sensor nodes and the implantation in animals for food safety as well as for medical innovation. A passive RFID with hybrid interface and neglectable power consumption was introduced for the first time to enable switch ON/OFF and change of measurement modes after implantation. Besides low power consumption, a wireless power transmission module with high efficiency and maximum distance of 5 cm was developed to survive the sensor node for the duration of weeks by a few minutes remote charging. Field test results by using white-mouse and cow indicated high accuracy of the collected biological information and bio-compatibility of the package. Moreover, a surgical navigation system using wireless sensor nodes is proposed and discussed as a potential future application, and the preliminary results is presented herein.
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