Conferences related to Materials preparation

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2021 IEEE Photovoltaic Specialists Conference (PVSC)

Photovoltaic materials, devices, systems and related science and technology


2020 19th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)

The ITherm Conference series is the leading international venue for scientific and engineering exploration of thermal, thermomechanical, and emerging technology issues associated with electronic devices, packages, and systems.


2020 IEEE 21st International Conference on Vacuum Electronics (IVEC)

Technical presentations will range from the fundamental physics of electron emission and modulated electron beams to the design and operation of devices at UHF to THz frequencies, theory and computational tool development, active and passive components, systems, and supporting technologies.System developers will find that IVEC provides a unique snapshot of the current state-of-the-art in vacuum electron devices. These devices continue to provide unmatched power and performance for advanced electromagnetic systems, particularly in the challenging frequency regimes of millimeter-wave and THz electronics.Plenary talks will provide insights into the history, the broad spectrum of fundamental physics, the scientific issues, and the technological applications driving the current directions in vacuum electronics research.


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


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Periodicals related to Materials preparation

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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.


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


Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


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 Materials preparation

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Xplore Articles related to Materials preparation

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High performance low noise FETs operating from X-band through Ka-band

1980 International Electron Devices Meeting, 1980

Electron beam defined 0.5 µ gate low noise FETs have been made using various types of GaAs channel layers in order to correlate the method of material preparation with device performance in the frequency range between 12 GHz and 30 GHz. The channel layers were made by vapor phase epitaxy (VPE), ion implanted liquid phase epitaxy (LPE) and direct ion ...


Analysis of the Effects of Solution Conductivity on Electro-Spinning Process and Fiber Morphology

2008 IEEE Industry Applications Society Annual Meeting, 2008

The electro-spinning process and morphology of electro spun nanofibers depend on many processing parameters. These parameters can be divided into three main groups: a) solution properties, b) processing conditions, c) ambient conditions. In this paper, we report the results of a comprehensive investigation of the effects of changing the conductivity of poly ethylene oxide (PEO) water solution on electro-spinning process ...


A Comparative Study of Starting Materials for SOI Device Fabrication Obtained by Different Recrystallization Procedures and Material Structures

ESSDERC '87: 17th European Solid State Device Research Conference, 1987

Different conditions of zone melting recrystallization using both laser and a mercury are lamp are studied. N-channel MOSFET's were fabricated in these materials to compare their qualities and to evaluate their device-worthiness. Subgrainboundary-free silicon films are obtained resulting in devices with high surface mobility and low leakage currents.


Processes for Fabricating a Planar P-N-P Silicon Transistor

IRE Transactions on Component Parts, 1962

Processes and techniques required for fabrication of experimental planar p-n-p silicon transistors have been developed and demonstrated as feasible. Processes involved include material preparation, antimony base diffusion, boron emitter diffusion, oxide masking, photoresist techniques, simultaneous gold metalizing of emitter and base regions, collector alloy contact and basing and thermocompression bonding. Initial transistors have typical dc Beta values of 35 to ...


Techniques for fabrication of germanium and gallium-arsenide tunnel diodes

1960 International Electron Devices Meeting, 1960

A technique for fabricating tunnel diodes in both germanium and gallium- arsenide will be presented. Material preparation, alloying, mounting, and etching will be considered in detail. Germanium tunnel diodes with I<inf>p</inf>/I<inf>v</inf>ratio greater than 10 and I<inf>p</inf>/C merit factor greater than 5ma/pf, and gallium-arsenide tunnel diodes with I<inf>p</inf>/I<inf>v</inf>, ratio greater than 40 and I<inf>p</inf>/C merit factor greater than 10ma/pf will be ...


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Educational Resources on Materials preparation

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IEEE.tv Videos

Young Professionals at N3XT: Catching up with N3XT startup pitch bootcamp winners
Spatial-Spectral Materials for High Performance Optical Processing - IEEE Rebooting Computing 2017
EMBC 2011-Keynote-From Nature and Back Again ... Giving New Life to Materials for Energy, Electronics, Medicine and the Environment - Angela Belcher, PhD
IMS 2012 Microapps - Bonding Materials used in Multilayer Microwave PCB Applications
Brooklyn 5G 2016: Mr. Tom Keathley on 5G Preparation and Carrier Eco-System
Engineers to Entrepreneurs - IEEE USA
Unconventional Superconductivity: From History to Mystery
Wanda Reder: Educational Materials for Expert and Non-Expert — IEEE Power and Energy Society’s “Plain Talk” — Studio Tech Talks: Sections Congress 2017
IEEE Wireless Communication Engineering Technologies (WCET) Certification Program
How to be a Star Engineer
Nanotechnology, we are already there: APEC 2013 KeyTalk with Dr. Terry Lowe
Multi-Function VCO Chip for Materials Sensing and More - Jens Reinstaedt - RFIC Showcase 2018
Unique Fixtures for Characterizing Electromagnetic Properties of Materials at THz Frequencies: MicroApps 2015 - Keysight Technologies
Care Innovations: Green Engineering (com legendas em portugues)
Magnetic Materials and Magnetic Devices - Josep Fontcuberta: IEEE Magnetics Distinguished Lecture 2016
2013 IEEE Corporate Innovation Award
IRDS: Metrology - George Orji at INC 2019
MicroApps: Fast, Accurate and Nondestructive Solutions of Materials Test up to 1.1 THz (Agilent Technologies)
Materials Challenges for Next-Generation, High-Density Magnetic Recording - Kazuhiro Hono: IEEE Magnetics Distinguished Lecture 2016
2015 IEEE Honors: IEEE Spectrum Technology in the Service of Society Award

IEEE-USA E-Books

  • High performance low noise FETs operating from X-band through Ka-band

    Electron beam defined 0.5 &#181; gate low noise FETs have been made using various types of GaAs channel layers in order to correlate the method of material preparation with device performance in the frequency range between 12 GHz and 30 GHz. The channel layers were made by vapor phase epitaxy (VPE), ion implanted liquid phase epitaxy (LPE) and direct ion implantation into boat grown (HB) Cr-doped and liquid encapsulated Czochralski (LEC) undoped substrates. The devices, which have a gate width of 300 &#181;m, have demonstrated excellent high gain and low noise performance over a wide range of frequencies from 12 GHz through 30 GHz. Device fabricated on VPE delivered 6.2 dB gain across a 2.5 GHz bandwidth at 30 GHz. The latter result was obtained from a single stage 30 GHz Waveguide/Microstrip amplifier, This amplifier, although not optimized for noise, has demonstrated less than a 5 dB noise figure across its bandwidth, In this paper we will discuss the state-of- the-art high frequency device performance and the device characterization results as related to the method of channel layer fabrication.

  • Analysis of the Effects of Solution Conductivity on Electro-Spinning Process and Fiber Morphology

    The electro-spinning process and morphology of electro spun nanofibers depend on many processing parameters. These parameters can be divided into three main groups: a) solution properties, b) processing conditions, c) ambient conditions. In this paper, we report the results of a comprehensive investigation of the effects of changing the conductivity of poly ethylene oxide (PEO) water solution on electro-spinning process and fiber morphology. The effects of the conductivity of PEO solution on jet current and jet path are discussed. Furthermore, fiber diameter and fiber uniformity are investigated by using scanning electron microscopy (SEM) techniques. It was found that the fiber diameter decreases with increasing solution conductivity at first, reaches a minimum value and it increases again.

  • A Comparative Study of Starting Materials for SOI Device Fabrication Obtained by Different Recrystallization Procedures and Material Structures

    Different conditions of zone melting recrystallization using both laser and a mercury are lamp are studied. N-channel MOSFET's were fabricated in these materials to compare their qualities and to evaluate their device-worthiness. Subgrainboundary-free silicon films are obtained resulting in devices with high surface mobility and low leakage currents.

  • Processes for Fabricating a Planar P-N-P Silicon Transistor

    Processes and techniques required for fabrication of experimental planar p-n-p silicon transistors have been developed and demonstrated as feasible. Processes involved include material preparation, antimony base diffusion, boron emitter diffusion, oxide masking, photoresist techniques, simultaneous gold metalizing of emitter and base regions, collector alloy contact and basing and thermocompression bonding. Initial transistors have typical dc Beta values of 35 to 40 and F<inf>T</inf>values as high as 250 Mc. Processes described have also been used in preliminary fabrication of solid-state microcircuit passive components.

  • Techniques for fabrication of germanium and gallium-arsenide tunnel diodes

    A technique for fabricating tunnel diodes in both germanium and gallium- arsenide will be presented. Material preparation, alloying, mounting, and etching will be considered in detail. Germanium tunnel diodes with I<inf>p</inf>/I<inf>v</inf>ratio greater than 10 and I<inf>p</inf>/C merit factor greater than 5ma/pf, and gallium-arsenide tunnel diodes with I<inf>p</inf>/I<inf>v</inf>, ratio greater than 40 and I<inf>p</inf>/C merit factor greater than 10ma/pf will be considered. Temperature dependence of I<inf>p</inf>and I<inf>v</inf>, with methods used to stabilize these parameters will be discussed.

  • Piezomagnetic Properties, Saturation Magnetostriction, and /spl Delta/E Effect in Dyzn at 77 K

    None

  • The Study on Fabrication of Insulated Membrane by Electrospinning

    The poly (vinylidene fluoride) (PVDF)/ N, N-dimethylformamide (DMF) solution was taken for example to fabricate insulated membrane by electrospinning in this paper,. It was found experimentally that in the process of electrospinning, the area of membrane collected was bigger and bigger and the fiber diameter was increasing from the bottom to the surface, but the fiber diameter of every layer was uniform. The reason was analyzed in this paper, and it was considered that in the electrospinning process, the positive charges accumulated on the insulated membrane changed the electric field distribution. As a result, the area increased and the weakened electric field intensity increased the fiber diameter.

  • Multiple Jets in Electrospinning

    The low fluid throughput in electrospinning may limit the industrial use of single needle system. To meet high liquid throughput requirements and uniform fibers, a special aligned multiple jets setup has been designed in this paper. The needles have been disposed as a regular hexagon. A 7 cm diameter iron ring has been used in one experiment and different heights of the 7 needles have been used in another experiment in order to received uniform fibers from 7 needles. The results demonstrate that the special setup could produce uniform fibers according to SEM images. Electrical field distribution from the spinning nozzle to the collector was also calculated, analyzed and presented in this paper

  • Integrity of optical splitters in passive optical networks

    From an examination of test data available from manufacturers, and from results of British Telecom (BT) testing of a range of device types and technologies, BT now has confidence that splitters will be available with sufficient reliability for mass passive optical network (PON) deployment. The amount of useful test data that has been declared by manufacturers is, in general, not yet sufficient to allow reliability predictions to be made with full confidence, and falls short of what would be expected for new key telecom products at this stage of development and deployment. Evidence of reliable peformance of the polymers used in splitter construction when operated in damp conditions has been demonstrated. Variability in some test results has confirmed that tight control of splitter production processes is vital, both in material preparation and assembly operations. Further work is required to establish the dominant failure mechanisms in both fused fiber and planar devices.

  • A Study of Online Tutors' Teaching Efficacy and Effectiveness in Eastern Taiwan

    To satisfy the learning demands of schoolchildren in rural areas and foster the educational ability of pre-service teachers in universities, this two semesters study intents to investigate online tutors' teaching efficacy and effectiveness for the sake of tutoring quality. This project provides one-on- one after-class tutoring on basic skills of Chinese and Mathematics to schoolchildren in remote areas of East Taiwan with video conferencing techniques. Under the project, the study paired up university students and rural pupils from 16 elementary schools to perform online tutoring for 22 weeks, twice per week, each semester. Besides, the educational background professors and elementary school teachers were teamed up as tutoring advisors and on-site supervisors. There were 87 tutors for first semester, and 114 for the second in the project. In which, 35 were reappointment from the fist semester to the second semester. The investigation intents to better determine what influent tutors' teaching efficacy and effectiveness. This paper reported the results of two semesters that were about online tutors' self-evaluation on teaching efficacy and effectiveness. 1. Teaching efficacy and effectiveness were generally well. 2. Experienced tutor had higher teaching efficacy and effectiveness in general. 3. Tutors from education collage had lower teaching efficacy and effectiveness, but improved more. The results provided direction to tutor selection and curriculum of workshop.



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