1,380 resources related to Sheet materials
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2021 IEEE Photovoltaic Specialists Conference (PVSC)
Photovoltaic materials, devices, systems and related science and technology
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
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.
INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.
This symposium pertains to the field of electromagnetic compatibility.
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.
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
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
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.
28th European Solid-State Device Research Conference, 1998
International Electron Devices Meeting 1999. Technical Digest (Cat. No.99CH36318), 1999
A Cu/Si layered-gate-structured MOSFET with Ta and TaN stacked barrier layers fabricated using a Cu damascene process has been developed for high- performance and reliable Si ULSI devices. A sheet resistance of 0.5 ohm/sq. was achieved with a 0.25 /spl mu/m gate length. The Ta and TaN layers guarantee reliable gate oxide (7.5 nm) after 500/spl deg/C thermal processing in ...
IEEE Transactions on Magnetics, 1977
The effective permeability between 1 MHz and 100 MHz was measured for 1-3 μm thick permalloy(80Ni- 20Fe) films in 2-3 cm diameter sheets and compared with the effective permeability for the same films after etching them into 51μm wide stripes on 127μm centers. Solid permalloy films show a 15%-40% loss of effective permeability at all frequencies after having been etched ...
Proceedings of the 2001 IEEE International Symposium on Electronics and the Environment. 2001 IEEE ISEE (Cat. No.01CH37190), 2001
The aim of this study is to apply the life cycle assessment (LCA) methodology to a telecommunication (TLC) service. The automatic answering and messages storage service for the fixed network has been chosen as a case study because of its large utilization. Two different systems, providing the same service to the users, have been studied. The environmental impact of the ...
IEEE Transactions on Magnetics, 1981
Domain wall angles have been measured in well oriented grains in commercial 3% silicon-iron laminations. The range of angles measured is in good agreement with theoretical calculations. Under an applied tensile stress the wall angles show a tendency to increase, contrary to theoretical predictions. Possible reasons for this behaviour are discussed. The dynamic wall angles decrease towards zero as the ...
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
Wanda Reder: Educational Materials for Expert and Non-Expert — IEEE Power and Energy Society’s “Plain Talk” — Studio Tech Talks: Sections Congress 2017
Unconventional Superconductivity: From History to Mystery
Multi-Function VCO Chip for Materials Sensing and More - Jens Reinstaedt - RFIC Showcase 2018
Nanotechnology, we are already there: APEC 2013 KeyTalk with Dr. Terry Lowe
MicroApps: Fast, Accurate and Nondestructive Solutions of Materials Test up to 1.1 THz (Agilent Technologies)
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
IRDS: Metrology - George Orji at INC 2019
2013 IEEE Corporate Innovation Award
Materials Challenges for Next-Generation, High-Density Magnetic Recording - Kazuhiro Hono: IEEE Magnetics Distinguished Lecture 2016
35 Years of Magnetic Heterostructures
IMS MicroApp: Advances in High Frequency Printed Circuit Board (PCB)
Educational Resources for Humanitarian Activities - Michael Lightner - Brief Sessions: Sections Congress 2017
Recent Research Activities of Applied Superconductivity in China
2011 IEEE Awards Edison Medal - Isamu Akasaki
A Cu/Si layered-gate-structured MOSFET with Ta and TaN stacked barrier layers fabricated using a Cu damascene process has been developed for high- performance and reliable Si ULSI devices. A sheet resistance of 0.5 ohm/sq. was achieved with a 0.25 /spl mu/m gate length. The Ta and TaN layers guarantee reliable gate oxide (7.5 nm) after 500/spl deg/C thermal processing in nitrogen with forming gas annealing.
The effective permeability between 1 MHz and 100 MHz was measured for 1-3 μm thick permalloy(80Ni- 20Fe) films in 2-3 cm diameter sheets and compared with the effective permeability for the same films after etching them into 51μm wide stripes on 127μm centers. Solid permalloy films show a 15%-40% loss of effective permeability at all frequencies after having been etched into stripes. Permalloy films made with nonmagnetic metal laminations show no significant permeability change after etching. Films made with dielectric laminations show no significant permeability change at low frequencies and a 20%-100% increase in the high frequency permeability after etching.
The aim of this study is to apply the life cycle assessment (LCA) methodology to a telecommunication (TLC) service. The automatic answering and messages storage service for the fixed network has been chosen as a case study because of its large utilization. Two different systems, providing the same service to the users, have been studied. The environmental impact of the "centralized answering machine" system and the "home answering machine" have been evaluated and compared. The environmental impacts of the answering and message storing service are mainly generated in the production of the apparatus supplying the service and their use phases. In the use of LCA methodology application to this service, several problems, like the functional unit and the boundary cuts, have to be solved. A TLC system is a multi-services provider, the allocation of the energy, materials and waste to one specific service have to be properly managed. The detailed study of components and material balance was done to perform the LCA. The inventory data was obtained from: a commercial database (where available), specialized literature and data sheet and direct experimental data. The study allows quantification of the decrease in the environmental impact for the centralized solution in order of magnitude. It is also shown that after very few years the usage phase of the service become more important in the environmental impact than the production phase.
Domain wall angles have been measured in well oriented grains in commercial 3% silicon-iron laminations. The range of angles measured is in good agreement with theoretical calculations. Under an applied tensile stress the wall angles show a tendency to increase, contrary to theoretical predictions. Possible reasons for this behaviour are discussed. The dynamic wall angles decrease towards zero as the flux density is raised. This is believed to be brought about by the ruckling motion of the walls.
To simulate a thin layer of material whose permittivity and permeability both differ from the values for the surrounding medium, a combination resistive and conductive sheet is defined and its properties described.
A sheet impedance characterization for bound thin sheets of metal-coated microballoons has been investigated. The binder material is a urethane that can be made as thin as 1 to 2 mil. The microballoons are hollow ceramic spheres coated with 100 to 200 AA of silver that are 10 to 100 mu m in diameter. The dependence of sheet impedance on the volume fraction of the microballoons, the coating thickness, the microballoon diameter, and the binder thickness has been determined by measurements. Thus, a range of sheet impedances can be synthesized easily and inexpensively by appropriate specification of the raw design parameters.<<ETX>>
Anodized aluminum has recently attracted much attention because of its desirable porous structure. The pore structure is a self-ordered hexagonal array of cells with cylindrical pores in an alumina matrix of variable sizes with diameters of 25 to 300 nm with depths exceeding 100 /spl mu/m depending on the anodizing conditions used. These properties make anodized aluminum a desirable material for many optoelectronic devices including polarizers, photonic crystals, low threshold current lasers, and investigation of light- surface plasmon interactions in metals. The conventional approach to fabricate porous alumina is to use bulk or thin sheets of aluminum and then replicate this pattern into the desired substrate by one of several methods involving a tedious film transfer. However, in this work, a more convenient and practical method of fabricating the porous alumina structure using an evaporated film of aluminum on silicon and other substrates, subsequent pattern transfer, and its use in optoelectronic applications will be discussed.
Specific energies greater than 70 Wh-kg/sup -1/ can only be achieved for a 24 V Ni-Cd battery by reducing the weight of the bipolar collecting support. SORAPEC-NITECH has developed a lightweight foam substrate with which it is now possible to obtain bipolar electrodes with a collector thinner than 0.1 mm. These high volumetric energy density structures are well adapted for sealed battery applications. The performances of these batteries were studied as well as the optimization measures necessary to regulate the gas evolution in the cell during end of charge. The characteristic curves obtained with such cells during these tests are given.<<ETX>>
The analysis of a microstrip line covered with a low-loss sheet material is presented in this paper. Numerical results show that the characteristics of a microstrip covered with a thick sheet of high dielectric constant are drastically affected. The effect is more for small values of W/h ratio. A closed-form expression for the dielectric loss of a multilayer structure is derived.The extension of present method to high-loss materials is also discussed. Numerical and experimental results for effective dielectric constant of a microstrip covered with low- and high-loss sheet materials are compared and found to be in good agreement.
This guide covers the technical requirements for the design, fabrication, testing, installation, and in-service performance of gas-insulated substations(GIS). In line with the user functional one-line diagram, the supplier should furnish all components of the GIS such as circuit breakers(CB), disconnect switches(DS), maintenance ground switches (MGS), fast-acting ground switches(FGS), voltage transformers(VT), current transformers(CT), SF6-to-air bushings, SF6-to-cable terminations, surge arresters, all the ...
This standard provides uniform measurement procedures for determining the effectiveness of electromagnetic (EM) shielding enclosures at frequencies from 9 kHz to 18 GHz (extendable down to 50 Hz and up to 100 GHz). The owner of the shielding enclosure shall provide the frequencies at which the shield will be tested, and the shielding effectiveness (SE) limits for pass/fail. This standard ...