JOURNAL ARTICLES
2022
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"High Efficiency Multi-scale Wireless Power Transfer System Using Metasurface Slabs,"
IEEE Access,
April 2022.
Keywords: Wireless power transfer (WPT), metamaterials, metasurfaces, multi-scale WPT (MSWPT), power transfer efficiency (PTE) and misalignment
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"Growth Properties of Carbon Nanowalls on Nickel and Titanium Interlayers,"
Molecules, vol. 27, no. 2,
January 2022.
Keywords: carbon nanowall, RF-magnetron sputtering, PECVD, interlayer and thickness
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"Preparation of a ZnO Nanostructure as the Anode Material Using RF Magnetron Sputtering System,"
Nanomaterials, vol. 12, no. 2,
January 2022.
Keywords: ZnO nanostructure, H2 reduction, lithium-ion battery, PECVD and RF-magnetron sputtering system
2021
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"Metamaterial-Integrated High-Gain Rectenna for RF Sensing and Energy Harvesting Applications,"
Sensors, vol. 21, no. 19,
October 2021.
Keywords: metamaterial, rectenna, RF energy harvesting, high-gain antenna, RF–DC conversion efficiency and rectifier
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"Screen-Printable, Self-Biased SrM/PDMS Composites for Integrated Magnetic Microwave Devices,"
IEEE Transactions on Magnetics, vol. 57, no. 10,
August 2021.
Keywords: Magnetic materials, Screen printing and Self-biased magnetic
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"High-Radiation Efficiency in Array Antennas Using Cu/Co Metaconductors,"
IEEE Transactions on Antennas and Propagation, vol. 69, no. 11, pp. 7993 - 7998,
June 2021.
Keywords: Antenna arrays, Conductors, Antenna measurements, Substrates, Metals, Glass and Frequency measurement
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"Rollable metamaterial screen for magnetic resonance coupling-based high-efficiency wireless power transfer,"
International Journal of Microwave and Wireless Technologies, vol. 13, no. 4, pp. 365-373,
May 2021.
Keywords: Magnetic resonance coupling (MRC), Power transfer efficiency (PTE), Rollable metamaterial screen and Wireless power transfer
2020
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"35-GHz Barium Hexaferrite/PDMS Composite-Based Millimeter-Wave Circulators for 5G Applications,"
IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 12, pp. 5065-5071,
September 2020.
Keywords: Barium hexaferrite (BaM) and polydimethylsiloxane (PDMS) composite, Ka-band and self-biased circulator
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"Tunable Metamaterial Slab for Efficiency Improvement in Misaligned Wireless Power Transfer,"
IEEE Microwave and Wireless Components Letters , vol. 30, no. 9,
September 2020.
Keywords:
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"Wireless Power Transfer Systems Using Metamaterials: A Review,"
IEEE Access, pp. 1-18,
August 2020.
Keywords: Permeability, Couplings, Permittivity, Metamaterials, Magnetic materials and Wireless power transfer (WPT)
2019
2018
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"Experimental Demonstration of Multi-Watt Wireless Power Transmission to Ferrite Core Receivers at 6.78 MHz,"
Wireless Power Transfer, pp. 17 - 25,
December 2018.
Keywords: Ferrite core and Wireless power
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"Airbrushing and surface modification for fabricating flexible electronics on polydimethylsiloxane,"
IoP Journal of Micromechanics and Microengineering, vol. 28, no. 12,
November 2018.
Keywords: airbrushing, surface modification , flexible electronics, patch antnna and polydimethylsiloxane
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"Cu/Co Multilayer based High Signal Integrity and Low RF Loss Conductors for 5G/Millimeter Wave Applications,"
IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 8, pp. 3773 - 3780,
August 2018.
Keywords: Copper (Cu)/Cobalt (Co) multilayer conductors, high signal integrity transmission lines (TLs), low RF loss conductors, metaconductors and high Q-factor inductors
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"Erratum to a Passive Wireless Microelectromechanical Pressure Sensor for Harsh Environments,"
IEEE/ASME Journal of Microelectromechanical Systems (MEMS), vol. 27, no. 2, pp. 375 - 375,
February 2018.
Keywords: Wireless sensor networks, Pressure sensors, Microsensors and Environmental factors
2017
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"Mutual Coupling Reduction using Micromachined Complementary Meander Line Slots for a Patch Array Antenna,"
IEEE Antennas and Wireless Propagation Letters, no. 99,
February 2017.
Keywords: Array antenna, Mutual coupling, coupling reduction and meander line (ML) slot
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"Study on High Throughput Nanomanufacturing of Photopatternable Nanofibers Using Tube Nozzle Electrospinning with Multi-tubes and Multi-nozzle,"
Micro and Nano Systems Letters, vol. 5, no. 10,
January 2017.
Keywords: SU-8 nanofibers, Lithographically patterned nanofibers, Tube nozzle electrospinning, High throughput, Multijet electrospinning and Large area electrospinning
2016
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"Hybrid Electrospun Polycaprolactone Mats Consisting of Nanofibers and Microbeads for Extended Release of Dexamethasone,"
Pharmaceutical Research, vol. 33, no. 6, pp. 1509-1516,
June 2016.
Keywords: electrospinning, extended release, microbeads, nanofibers and polycaprolactone
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"Development of a Spatially Resolved 3He Quasi-Particle Detector,"
Journal of Low Temperature Physics, vol. 183, no. 3, pp. 307-312,
May 2016.
Keywords: Helium, 3He-B, Quasi-particle and Detector
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"Study on Cu/Ni Nano Superlattice Conductors for Reduced RF Loss,"
EEE Microwave and Wireless Components Letters, vol. 26, no. 4, pp. 258-260,
April 2016.
Keywords: Conductors, Radio frequency, Transmission line measurements, Resistance, Magnetic superlattices, Metaconductor and Power transmission lines
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"Scale of Carbon Nanomaterials Affects Neural Outgrowth and Adhesion,"
IEEE Transactions on NanoBioscience, vol. 15, no. 1, pp. 11-18,
January 2016.
Keywords: Surface treatment, Substrates, Nanobioscience, Carbon nanofiber, Nanomaterials, Adhesives and Electrodes
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"Computer numerical control (CNC) lithography: light-motion synchronized UV-LED lithography for 3D microfabrication,"
ournal of Micromechanics and Microengineering, vol. 26, no. 3, pp. 035003,
January 2016.
Keywords: computer numerical control (CNC) lithography, UV-LED lithography, light-motion synchronized and 3D microfabrication
2015
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"Millimeter-wave bandpass filter on LCP using CSRR-loaded triangular-shape quarter-mode substrate integrated waveguide,"
Microwave and Optical Technology Letters, vol. 57, no. 7, pp. 1782-1784,
August 2015.
Keywords: quarter-mode substrate integrated waveguide, liquid crystal polymer, millimetre-wave, bandpass filter and complementary split ring resonator
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"Fabrication of three-dimensional millimeter-height structures using direct ultraviolet lithography on liquid-state photoresist for simple and fast manufacturing,"
Journal of Micro/Nanolithography, MEMS, and MOEMS, vol. 14, no. 3, pp. 033504,
July 2015.
Keywords: 3D lithography, LF55GN, multidirectionally projected UVlithography and Radio frequency
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"Immersion Lithographic Patterning of Electrospun Nanofibers for Carbon Nanofibrous Microelectrode Arrays,"
Journal of Microelectromechanical Systems, vol. 24, no. 3, pp. 703-715,
June 2015.
Keywords: 3D carbon nanofibrous microelectrode array, SU-8 nanofiber, carbonization, electrospun nanofiber, immersion lithographic patterning and neural stimulation
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"Special Issue: RF and Communication Technologies for Wireless Implants,"
IEEE Journal of Biomedical and Health Informatics, vol. 19, no. 3, pp. 899-900,
May 2015.
Keywords: RF and Communication Technologies, wireless implants, prosthetic device , body worn device and medical information
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"Fabrication of Self-Packaged Seamless Nanoporous SU-8 Microchannels,"
Journal of Microelectromechanical Systems, vol. 24, no. 2, pp. 256-258,
April 2015.
Keywords: Microchannels, Nanoscale devices, Lithography, Optical device fabrication and SU-8 microchannels
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"Cylindrical radial superlattice conductors for low loss microwave components,"
Journal of Applied Physics, vol. 117, no. 10, pp. 103911,
March 2015.
Keywords: cylindrical radial superlattice, K-band microwave spectrum, Landau-Lifshitz-Gilbert equation, low conductor loss and high frequency
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"Fabrication of 3D nanostructures by multidirectional UV lithography and predictive structural modeling,"
Journal of Micromechanics and Microengineering, vol. 25, no. 2, pp. 025017,
February 2015.
Keywords: Ray tracing, Collimation, Finite element method, 3D printing, Refractive index, Wave propagation, Spherical coordinates, Refraction and Scanning electron microscopy
2014
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"Room temperature multiferroic properties of (Fex, Sr1−x)TiO3 thin films,"
Applied Physics Letters, vol. 105, no. 10, pp. 102903,
August 2014.
Keywords: Thin film structure, Dielectric oxides, Ferroelectric materials, Ferroelectric thin films, Dielectric thin films, tunable microwave devices and Multiferroic materials
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"Microwave characteristics of sol-gel based Ag-doped (Ba0.6Sr0.4)TiO3 thin films,"
Thin Solid Films, vol. 565, pp. 172-178,
June 2014.
Keywords: Barium Strontium Titanate, Sol-Gel Deposition, Tunability, Dielectric Properties, Silver Doping and Microwave
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"Micromachined air-lifted pillar arrays for terahertz devices,"
IEEE Electron Device Letters, vol. 35, no. 4, pp. 470-472,
April 2014.
Keywords: Air-lifted pillar array, absorber, frequency selective surface, micromachining, monopole antenna and terahertz
2013
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"Fabrication of an all SU-8 electrospun nanofiber based supercapacitor,"
Journal of Micromechanics and Microengineering, vol. 23, no. 11,
October 2013.
Keywords: Electronics and devices, Condensed matter: structural, mechanical & thermal, Nanoscale science and low-D systems and Chemical physics and physical chemistry
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"Multiferroics for Frequency Agile Microwave Applications,"
The Journal of Korean-American Scientists and Engineering Association, vol. 42, no. 1, pp. 37-39,
October 2013.
Keywords: Multiferroic materials, Microwave applications, vertical high aspect-ratio , microfabrication and RF applications
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"A wireless sequentially actuated microvalve system,"
Journal of Micromechanics and Microengineering, vol. 23, no. 4, pp. 045006,
April 2013.
Keywords: Eddy currents, Microfluidic devices, Nickel, Temperature effect, Temperature distribution, Copper, Density distribution, Thermal properties, Phase-change materials, Metals and Microfluidics
2012
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"An Omnidirectional Wrappable Compact Patch Antenna for Wireless Endoscope Applications,"
IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 1667-1670,
December 2012.
Keywords: Electromagnetic interference (EMI) protection, human-body phantom, omnidirectional pattern, patch antenna, wireless endoscope and wrappable antenna
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"Compact frequency and bandwidth tunable stopband filters using split ring resonators and varactors coupled transmission line,"
AEU - International Journal of Electronics and Communications, vol. 66, no. 11, pp. 865-870,
November 2012.
Keywords: Split ring resonator (SRR), Metamaterial, Varactor, Tunable filter and Wide bandwidth
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"Bridged Composite Right/Left Handed Unit Cell With All-Pass and Triple Band Response,"
IEEE Microwave and Wireless Components Letters, vol. 22, no. 11, pp. 568-570,
November 2012.
Keywords: All-pass, bridged CRLH (B-CRLH), composite right/left handed (CRLH), left-handed (LH) transmission lines, right-handed (RH) transmission lines and triple band response
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"Electrically Tunable Evanescent Mode Half-Mode Substrate-Integrated-Waveguide Resonators,"
IEEE Microwave and Wireless Components Letters, vol. 22, no. 3, pp. 123-125,
March 2012.
Keywords: Complementary split ring resonator (CSRR), half mode substrate integrated waveguide (HMSIW), tunable resonator and varactor diode
2011
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"A Compact Omnidirectional Self-Packaged Patch Antenna With Complementary Split-Ring Resonator Loading for Wireless Endoscope Applications,"
IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 1532-1535,
December 2011.
Keywords: Complementary split-ring-resonator (CSRR), metamaterial, omnidirectional pattern, patch antenna and wireless endoscope
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"Microfluidic concentration-on-demand combinatorial dilutions,"
Microfluidics and Nanofluidics, vol. 11, no. 1, pp. 75-86,
July 2011.
Keywords: Combinatorial device, Design of experiment, Dilution, Microfluidic network and Cytotoxicity test
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"Nonlinear sensitivity enhancement of resonant microsensors and its application to low power magnetic sensing,"
Journal of Micromechanics and Microengineering, vol. 21, no. 4,
April 2011.
Keywords: Electronics and devices, Instrumentation and measurement and Nanoscale science and low-D systems
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"Computer-controlled dynamic mode multidirectional UV lithography for 3D microfabrication,"
Journal of Micromechanics and Microengineering, vol. 21, no. 3,
March 2011.
Keywords: Electronics and devices, Nanoscale science and low-D systems and Nanolithography
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"Subwavelength Direct Laser Patterning of Conductive Gold Nanostructures by Simultaneous Photopolymerization and Photoreduction,"
ACS Nano, vol. 5, no. 3, pp. 1947?1957,
March 2011.
Keywords: nanocomposites, two-photon lithography, metamaterials, gold nanostructures and nanofabrication
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"A thermal microjet system with tapered micronozzles fabricated by inclined UV lithography for transdermal drug delivery,"
Journal of Micromechanics and Microengineering, vol. 21, no. 2,
February 2011.
Keywords: Fluid dynamics, Electronics and devices, Instrumentation and measurement, Medical physics, Biological physics and Nanoscale science and low-D systems
2010
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"An electrically active microneedle array for electroporation,"
Biomedical Microdevices, vol. 12, no. 2, pp. 263-273,
April 2010.
Keywords: Microneedle, Electroporation, Micromolding, Laser ablation and DU145 cell
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"Fabrication and Characterization of Gold−Polymer Nanocomposite Plasmonic Nanoarrays in a Porous Alumina Template,"
ACS Nano, vol. 4, no. 4, pp. 2249-2255,
April 2010.
Keywords: nanocomposite, nanoarray, nanoparticles, plasmons, AAO and optical properties
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"Microworld: United We Stand - Cover image,"
Lab on a Chip, vol. 10, no. 6, pp. 669,
March 2010.
Keywords: Lab on a Chip
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"Large-Area, Near-Infrared (IR) Photonic Crystals with Colloidal Gold Nanoparticles Embedding,"
ACS Applied Materials & Interfaces, vol. 2, no. 4, pp. 1242-1246,
March 2010.
Keywords: photonic composite materials, gold nanoparticles, lithography, photonic crystal and structural/optical properties
2009
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"Analysis and design of stub bandpass filters using tapped-line geometry,"
Microwave and Optical Technology Letters, vol. 51, no. 10, pp. 2338-2341,
October 2009.
Keywords: tapped-line, stub bandpass filter, J-inverter, equivalent circuit and bandwidth
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"2.45 GHz inter-/intraboard wireless communication using a CPW-fed vertical bow-tie antenna,"
Microwave and Optical Technology Letters, vol. 51, no. 1, pp. 266-269,
January 2009.
Keywords: bow-tie antenna, vertically standing, interboard communication, intraboard communication and in-plane board-to-board communication
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"Three dimensional metal pattern transfer for replica molded microstructures,"
Applied Physics Letters, vol. 94, no. 2,
January 2009.
Keywords: Polymers, Metallic thin films, Gold, Molding and Metal surfaces
2008
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"Fabrication of submicron structures in nanoparticle/polymer composite by holographic lithography and reactive ion etching,"
Applied Physics Letters, vol. 93, no. 20,
November 2008.
Keywords: Nanoparticles, Polymers, Etching, Nanopatterning and Nanolithography
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"Double-layer fabrication scheme for large-area polymeric photonic crystal membrane on silicon surface by multibeam interference lithography,"
Optics Letters, vol. 33, no. 12, pp. 1303-1305,
June 2008.
Keywords:
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"Kinematically Stabilized Microbubble Actuator Arrays,"
Journal of Microelectromechanical Systems, vol. 17, no. 1, pp. 124-132,
February 2008.
Keywords: Digital Clay, endoskeletal bubble, inclined exposure, microbubble actuator and microcorrugated diaphragm
2007
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"Tapered Conical Polymer Microneedles Fabricated Using an Integrated Lens Technique for Transdermal Drug Delivery,"
IEEE Transactions on Biomedical Engineering, vol. 54, no. 5, pp. 903-913,
May 2007.
Keywords: Biodegradable polymer, lens, microneedle and transdermal drug delivery
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"Polymer particle-based micromolding to fabricate novel microstructures,"
Biomedical Microdevices, vol. 9, no. 2, pp. 223-234,
April 2007.
Keywords: Micromolding, Microparticles and Micro-electro-mechanical-system (MEMS)
2006
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"Analysis and Characterization of a High-Performance Ka-Band Surface Micromachined Elevated Patch Antenna,"
IEEE Antennas and Wireless Propagation Letters, vol. 5, no. 1, pp. 511-514,
December 2006.
Keywords: Air-elevated antenna, antenna feeding, on-wafer radiation pattern measurement and surface micromachining
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"Theoretical investigation of gas separation inside a microchannel by thermal diffusion,"
Engineering Analysis with Boundary Elements, vol. 30, no. 11, pp. 1006-1010,
November 2006.
Keywords: Gas separation, Gas mixture, Micro channel and Thermal diffusion
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"A Magnetically Excited and Sensed MEMS-Based Resonant Compass,"
IEEE Transactions on Magnetics, vol. 42, no. 10, pp. 3506-3508,
October 2006.
Keywords: Compass, excitation coil, low-voltage actuation, magnetic sensor, magnetically driven, microelectromechanical systems (MEMS) and resonant sensor
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"Multidirectional UV Lithography for Complex 3-D MEMS Structures,"
Journal of Microelectromechanical Systems, vol. 15, no. 5, pp. 1121-1130,
October 2006.
Keywords: Inclined exposure, SU-8, multidirectional ultraviolet (UV) lithography, reverse-side exposure and rotational exposure
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"Large eddy simulation (LES) for synthetic jet thermal management,"
International Journal of Heat and Mass Transfer, vol. 49, no. 13, pp. 2173-2179,
July 2006.
Keywords: Synthetic jet, Active cooling substrate and Large eddy simulation
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"Optimization of Synthetic Jet Fluidic Structures in Printed Wiring Boards,"
Journal of Electronic Packaging, vol. 128, no. 4, pp. 353-359,
February 2006.
Keywords:
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"Low-loss microelectrodes fabricated using reverse-side exposure for a tunable ferroelectric capacitor application,"
Journal of Micromechanics and Microengineering, vol. 16, no. 2,
February 2006.
Keywords: Electronics and devices, Instrumentation and measurement and Nanoscale science and low-D systems
2005
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"Polymer-core conductor approaches for RF MEMS,"
Journal of Microelectromechanical Systems, vol. 14, no. 5, pp. 886-894,
October 2005.
Keywords: Double-exposure-single-development, SU-8 bridge fabrication, epoxy-core conductor, high-aspect-ratio solenoid inductor, polymer-core conductor and radio frequency (RF) microelectromechanical systems (MEMS)
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"Active cooling substrates for thermal management of microelectronics,"
IEEE Transactions on Components and Packaging Technologies, vol. 28, no. 3, pp. 477-483,
September 2005.
Keywords: Active cooling substrate, electromagnetic actuator, printed wiring board (PWB), synthetic jet and thermal management
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"Embedded conductor technology for micromachined RF elements,"
Journal of Micromechanics and Microengineering, vol. 15, no. 6,
May 2005.
Keywords: Electronics and devices, Semiconductors and Nanoscale science and low-D systems