Disclosed is an apparatus and methodology for characterization of small devices. On-chip subtraction of parasitic effects including coupling capacitive effects is provided by way of a rat-race employing a pair of gaps. A device or material being tested is positioned in a test position gap and an output signal is extracted from the rat-race at a position displaced along the rat-race between the test position gap and the other gap to provide subtractive cancellation of any parasitic effects associated with the rat-race and especially associated with the test position gap.

 
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> Ultra-high frequency self-sustaining oscillators, coupled oscillators, voltage-controlled oscillators, and oscillator arrays based on vibrating nanoelectromechanical resonators

> Liquid crystal display having a light guide plate comprising a plurality of dots embedded with carbon nanotubes configured for absorbing light beams having long wavelengths

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