" ...GE Global Research has developed a low-cost, RFID-based sensor platform that is capable of detecting multiple chemical or biological agents -- all without a battery. The passive RFID tags could potentially be used in health care, food safety, water treatment and security applications.
The GE system (which will not be commercially available for at least two years) combines passive 13.56 MHz RFID tags with special chemically or biologically sensitive films that are placed on the tag's antenna structure. When an RFID reader excites the tag, the chemical film produces complex differences in the impedance signal that indicate the presence and concentration of specific substances ... "
Friday, October 17, 2008
New GE RFID Sensor Platform
Have seen presentations by GE on their tagging applications, primarily in the area of active and powered RFID for use with expensive assets. It was always impressive, but not directly applicable to the domain of cheap tags for consumer package goods. This new research from their labs looks interesting ....
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