CMU MEMS Laboratory Publication Abstract


in The 13th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS), pp. 457-460, June 5-9, 2005, Seoul, Korea.
"Chip-Size" Antennas for Implantable Sensors and Smart Dust
P. Basset, J. F. Alfaro, D. Novosel, A. de la Plaza, D. Stancil and G. Fedder
In this paper, we present the analysis, design and experimental results of l/4-patch antennas operating at ~10 GHz. The ground plane has been adjusted to the patch area in order to drastically reduce the antenna size. Several geometries are presented, with HFSS simulation results. Impedance matching calculations for maximum power transfer between the antenna and the rectifying circuit is also present it presented. For a 4x5x1.6 mm3 rectangular antenna fabricated on a RT/Duroid 5880 Printed Circuit Board (PCB), the measured maximum gain is 0.75 dB at 10.3 GHz.
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