James Bond-style technologies such as cell phones the size of earpieces and invisible sensors sprinkled about to detect toxins are closer to reality. University of Michigan researchers have figured out how to build wireless systems even smaller while still retaining range and power efficiency.
One obstacle to further shrink small wireless devices has been trying to fit all the components onto one chip but U-M researchers have built a tiny silicon-compatible antenna and frequency resonator that will do just that.
The antenna and resonator are two of the most problematic off-chip components in wireless systems. The two components require large amounts of space off the chip---think of a cell phone antenna extending outward---thus limiting how small a device can be built.
| newswise
Further information:
http://www.engin.umich.edu
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