Conferences related to Microswitches

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2020 IEEE International Conference on Robotics and Automation (ICRA)

The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.


2020 IEEE International Electron Devices Meeting (IEDM)

the IEEE/IEDM has been the world's main forum for reporting breakthroughs in technology, design, manufacturing, physics and the modeling of semiconductors and other electronic devices. Topics range from deep submicron CMOS transistors and memories to novel displays and imagers, from compound semiconductor materials to nanotechnology devices and architectures, from micromachined devices to smart -power technologies, etc.


2020 IEEE International Reliability Physics Symposium (IRPS)

Meeting of academia and research professionals to discuss reliability challenges


2020 IEEE International Solid- State Circuits Conference - (ISSCC)

ISSCC is the foremost global forum for solid-state circuits and systems-on-a-chip. The Conference offers 5 days of technical papers and educational events related to integrated circuits, including analog, digital, data converters, memory, RF, communications, imagers, medical and MEMS ICs.


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Periodicals related to Microswitches

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Advanced Packaging, IEEE Transactions on

The IEEE Transactions on Advanced Packaging has its focus on the modeling, design, and analysis of advanced electronic, photonic, sensors, and MEMS packaging.


Aerospace and Electronic Systems Magazine, IEEE

The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.


Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Components and Packaging Technologies, IEEE Transactions on

Component parts, hybrid microelectronics, materials, packaging techniques, and manufacturing technology.


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Most published Xplore authors for Microswitches

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Xplore Articles related to Microswitches

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A novel MEMS-based tunable dielectric resonator filter

2011 IEEE MTT-S International Microwave Symposium, 2011

This paper presents the design and implementation of a new class of high-Q tunable dielectric resonator (DR) filters based on microelectromechanical systems (MEMS) switches. The use of MEMS switches results in the compact implementation of the proposed filter with near to zero DC power consumption for tuning and high tuning speed. The filter consists of two disk shape dielectric resonators ...


Design and modeling of reconfigurable MEMS low pass filter

2006 8th International Conference on Solid-State and Integrated Circuit Technology Proceedings, 2006

This paper presents the design and modeling of a unit cell for reconfigurable microwave microelectromechanical systems (MEMS) low pass filters (LPF), with reconfigurable inductance and capacitance. Lumped elements are introduced here to approximate the characteristics of the distributed filters, and then optimization is performed to obtain the superior characteristics as needed. LPFs with arbitrary cut-off frequency between 10GHz to 30GHz ...


A novel SPDT MEMS switch with isolation between bias and signal

2006 8th International Conference on Solid-State and Integrated Circuit Technology Proceedings, 2006

A single-pole double throw (SPDT) radio frequency (RF) switching circuit is designed in a surface-micromachined, metal-metal contacting structure and fabricated in an RF MEMS (micro-electro-mechanical system) process. A folded cantilever beam is proposed to reduce the driving voltage. A dielectric layer is used to provide the isolation between the conductors of the bias and RF signal. Simulation results that in ...


Characterization of Tunable Metamaterial Elements Using MEMS Switches

IEEE Antennas and Wireless Propagation Letters, 2007

An experimental demonstration and analysis of a dual-state switchable magnetic metamaterial element in which the resonance excitation of the particle is controlled using an RF microelectromechanical (MEMS) switch is presented. By controlling the resonant properties of the individual ring, unit cells composed of such elements can be used to realize an effective dual-state switchable medium. Transmission and loss characteristics of ...


Effect of bonding on the packaged RF MEMS switch

2008 International Conference on Electronic Packaging Technology & High Density Packaging, 2008

Thermal mismatch induced by the die bonding structure will have significant effect on the reliability and performance of RF MEMS switch. In this paper, a Cell Library Method (CLM) is introduced as an alternative against conventional FEM simulation to simplify the study on packaging of RF MEMS for X-band operation. The calculations derived from CLM are in good agreement with ...


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Educational Resources on Microswitches

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IEEE.tv Videos

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IEEE-USA E-Books

  • A novel MEMS-based tunable dielectric resonator filter

    This paper presents the design and implementation of a new class of high-Q tunable dielectric resonator (DR) filters based on microelectromechanical systems (MEMS) switches. The use of MEMS switches results in the compact implementation of the proposed filter with near to zero DC power consumption for tuning and high tuning speed. The filter consists of two disk shape dielectric resonators with circular holes created in the center of each resonator. An initial prototype of the filter is assembled. The filter operates in TME mode at a center frequency of 4.8 GHz with a bandwidth of 21 MHz. Measurement results of this prototype demonstrate a tuning range of 160 MHz while the quality factor ranges from 1200-510 over the tuning range. The proposed tuning approach is applicable to other modes of dielectric resonator filters.

  • Design and modeling of reconfigurable MEMS low pass filter

    This paper presents the design and modeling of a unit cell for reconfigurable microwave microelectromechanical systems (MEMS) low pass filters (LPF), with reconfigurable inductance and capacitance. Lumped elements are introduced here to approximate the characteristics of the distributed filters, and then optimization is performed to obtain the superior characteristics as needed. LPFs with arbitrary cut-off frequency between 10GHz to 30GHz can be optimized corresponding to this model. Using this prototype, the reconfigurable LPF has a cut-off frequency switching from 7.8GHz to 15.3GHz, with ripple below 2dB and out-of-band rejection better than 40dB in both states, which demonstrates the validation of the proposed model

  • A novel SPDT MEMS switch with isolation between bias and signal

    A single-pole double throw (SPDT) radio frequency (RF) switching circuit is designed in a surface-micromachined, metal-metal contacting structure and fabricated in an RF MEMS (micro-electro-mechanical system) process. A folded cantilever beam is proposed to reduce the driving voltage. A dielectric layer is used to provide the isolation between the conductors of the bias and RF signal. Simulation results that in the frequency range from DC to 10 GHz the SPDT switch has an insertion loss of less 1 dB and an isolation of below -40 dB

  • Characterization of Tunable Metamaterial Elements Using MEMS Switches

    An experimental demonstration and analysis of a dual-state switchable magnetic metamaterial element in which the resonance excitation of the particle is controlled using an RF microelectromechanical (MEMS) switch is presented. By controlling the resonant properties of the individual ring, unit cells composed of such elements can be used to realize an effective dual-state switchable medium. Transmission and loss characteristics of the switchable element for two different switch topologies are compared. Experimental data shows that the MEMS switch allows for a switchable resonant particle with reasonably low losses.

  • Effect of bonding on the packaged RF MEMS switch

    Thermal mismatch induced by the die bonding structure will have significant effect on the reliability and performance of RF MEMS switch. In this paper, a Cell Library Method (CLM) is introduced as an alternative against conventional FEM simulation to simplify the study on packaging of RF MEMS for X-band operation. The calculations derived from CLM are in good agreement with the results simulated by ANSYS. Strain caused by thermal stress which is generated during the die bonding process obviously increases the pull-in voltage. According to the research, the pull-in voltage of the RF MEMS switch with no stress on the beam will varied from 25V to 43V after bonding process (a 400 -micron-long beam is taken for example). If the excitation voltage remains unchanged, the switching time of silicon-based fixed-fixed polysilicon surface-micromachined beam will extend to be about 2 times as that of before bonding (a 200-micron-long beam is taken for example).

  • Monolithic integrated re-configurable antenna with RF-MEMS switches fabricated on printed circuit board

    None

  • Neural network based feed-forward high density associative memory

    A novel thin film approach to neural network based high density associative memory is described. The information is stored locally in a memory matrix of passive, nonvolatile, binary connection elements with a potential to achieve a storage density of 10<sup>9</sup>bits/cm<sup>2</sup>. Microswitches based on memory switching in thin film hydrogenated amorphous silicon, and alternatively in manganese oxide, have been used as programmable read-only memory (PROM) elements. Low energy switching has been ascertained in both these materials. Fabrication and testing of memory matrix is described. High speed associative recall approaching 10<sup>7</sup>bits/sec and high storage capacity in such a connection matrix memory system is also described.

  • Mutual Information of Tri-polar Concentric Ring Electrodes

    Electroencephalography (EEG) signals are spatio-temporal. EEG has very good temporal resolution but typically doesn't possess high spatial resolution. The surface Laplacian enhances the spatial resolution and selectivity of the surface electrical activity. Concentric ring electrodes have been shown to estimate the surface Laplacian directly with significantly better spatial resolution than conventional electrodes and possess spatial filtering characteristics. Movement Related potentials (MRP) were recorded using tri- polar and bipolar concentric ring electrodes as well as conventional disc EEG electrodes while the subjects were pressing a micro-switch. The electrodes were placed in an array of 35 encompassing the area between Fz-Cz- Pz-P3-T5-T3-T7-F3. Mutual information (MI) of the MRP signals recorded with the different electrode systems was compared. The MRP signals recorded with the tri-polar concentric ring electrode system have significantly less MI between locations than the other two electrode configurations tested. The decrease in MI should increase the total information available by pooling of information from independent tri-polar concentric ring electrodes. These characteristics should make tri-polar concentric electrodes beneficial for EEG applications

  • Switched Beam Antenna Based on RF MEMS SPDT Switch on Quartz Substrate

    This letter demonstrates a 20-GHz radio frequency microelectromechanical system (RF MEMS)-based electrically switchable antenna on a quartz substrate. Two quasi-Yagi antenna elements are monolithically integrated with a single- pole double-throw (SPDT) MEMS switch router network on a 21 mm times 8 mm chip. Electrical beam steering between two opposite directions is achieved using capacitive MEMS SPDT switches in the router. Port impedance and radiation patterns are studied numerically and experimentally. Measured results show that the switched beam antenna features a 27% impedance bandwidth (S<sub>11</sub> = -10 dB), a gain of 4.6 dBi, and a front-to-back ratio of 14 dB at 20 GHz when the control voltage is applied to one of the switch pairs of the SPDT switch.

  • Investigation of tunable matching circuits for multiband 4G handsets

    Two antenna designs with tunable matching circuits suitable for 4G mobile terminals are presented. SPDT MEMS switches and tunable capacitors as active components are evaluated in those two different antenna topologies, in scope of the Artemos European project. The target bands include the 4G communication bands, i.e. 700-960MHz as the low-band (LB) and 1.7-2.7GHz as the high-band (HB). In the first design, the antenna operates in the target bands using two SPDT MEMS switches and a two-branched matching network. The second design is a dual-feed structure, where the LB reflection coefficient is tuned using a BST capacitor while the coverage in HB is permanent.



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