Browsing Electrical, Electronic and Communications Engineering Research Collection by Subject "Dielectrics"

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Browsing Electrical, Electronic and Communications Engineering Research Collection by Subject

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Coherent imaging of periodic thick fine isolated structures

Sheridan, John T. ; Sheppard, Colin (Optical Society of America, 1993-04-01)

The diffraction orders and coherent bright and dark field images produced by isolated steps and grooves (notches and trenches) are examined. The isolated structures are approximated by means of a grating with a large ...
Dielectric charge control in electrostatic MEMS positioners / varactors

Blokhina, Elena ; Lopez, David ; Gorreta, Sergi ; Molinero, David ; Feely, Orla ; Pons Nin, Joan ; Dominguez, Manuel (IEEE, 2012-02-06)

A new dynamical closed-loop method is proposed to control dielectric charging in capacitive MEMS positioners/ varactors for enhanced reliability and robustness. Instead of adjusting the magnitude of the control voltage to ...