Browsing by Author "Damgaci, Y."
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Digital microfluidics for reconfigurable antennas
Damgaci, Y.; Çağatay, Engin; Bıyıklı, Necmi; Cetiner, B. A. (IEEE, 2014)Usage of fluids (microfluidic or otherwise) in antennas provides a conceptually easy reconfiguration mechanism in the aspect of physical alteration. However, a requirement of pumps, valves, etc. for liquid transportation ... -
Fabrication and characterization of liquid metal-based micro-electromechanical DC-contact switch for RF applications
Çağatay, Engin; Noyan, Mehmet Alican; Damgaci, Y.; Cetiner, B. A.; Bıyıklı, Necmi (CRC Press, 2012)We demonstrate that room-temperature liquid metal alloy droplets of Eutectic Gallium Indium (EGaIn) and Gallium Indium Tin alloy (Galinstan) can be actuated using electro-wetting-on-dielectric (EWOD) effect. With the ... -
Low-voltage small-size double-arm MEMS actuator
Bıyıklı, Necmi; Damgaci, Y.; Cetiner, B.A. (2009)The fabrication and characterisation of a double-arm cantilever-type metallic DC-contact MEMS actuator with low pull-down voltage are reported. Bi-layer TiW cantilevers with an internal stress gradient were fabricated using ... -
Nanoelectromechanical switches for reconfigurable antennas
Cetiner, B.A.; Bıyıklı, Necmi; Yildirim, B.S.; Damgaci, Y. (2010)We report on the full-wave analyses of a frequency reconfigurable antenna integrated with metallic nanoelectromechanical system (NEMS) switches (length = 3 μm, width = 60 nm). The NEMS switch used in this work has the same ...