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Bondwires at millimeter-wave frequencies show a high impedance mismatch that limits their applications in signal transmission from chip-to-chip, chip-to-package or vice-versa. Using a series transmission-line section and embedding the bondwire and the compensating circuit in an epoxy, we improved the matching and reduced the insertion loss. Furthermore, by changing the length of the compensating transmission...
The feasibility of on-chip antennas for single-chip millimeter-wave FMCW radar has been investigated. The FMCW radar is configured to have one transmitting and two receiving monopole antennas. The performance of each antenna (matching, gain, isolation and surface wave suppression) is improved by adding a cavity backed wide slot on a PCB ground plane for each antenna, optimizing the PCB packaging environment,...
Magnetic resonance (MR) thermometry guided hyperthermia has a strong potential to make the heat delivery to the tumor more selective. For head and neck hyperthermia, the Hypercollar was developed that allows focused, tumor-conformal, heating. To replace current dose assessment using invasive probes, an MR compatible Hypercollar is being designed. The conducting backplane of current patch antennas...
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