Conferences related to Volume relaxation

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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 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.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


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.


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Periodicals related to Volume relaxation

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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


Automatic Control, IEEE Transactions on

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 ...


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 Volume relaxation

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Xplore Articles related to Volume relaxation

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Exchange narrowing of dipolar broadened EPR lines in superconductors

IEEE Transactions on Magnetics, 1987

The exchange narrowing of dipolar broadened paramagnetic resonance (EPR) lines by the long range exchange interaction is considered. That is the actual situation in magnetically diluted superconducting alloys, where a sharp decrease of the EPR linewidth under the superconducting transition was observed. These calculations show that the EPR linewidth drop below the superconducting transition temperature is a clear indication of ...


Thermal stress and relaxation behaviour of Al(Cu) submicron interconnects

Proceedings of 4th International Conference on Solid-State and IC Technology, 1995

This paper addresses the reliability problem of stress-induced void formation in submicron Al(Cu) interconnect metallization. The discussion is focused on the driving force for void formation which is investigated by examining the nature of the thermal stress and its relaxation characteristics of submicron interconnect structures. The recent experimental results obtained by bending beam and X-ray diffraction techniques on the thermal ...


The change in initial lung volume during exercise

IEEE Transactions on Biomedical Engineering, 1995

The lung volumes from which inhalation and exhalation proceed change during exercise. There have been previous attempts to predict these lung volumes but none have been completely successful. Prediction of initial lung volume is important in the accurate calculation of respiratory power during exercise, especially when the subject is encumbered with respiratory protective apparatus and exercising above the anaerobic threshold. ...


Pressure Dependence of Disaccommodation in Ni-Zn Ferrite with Co Impurity

IEEE Translation Journal on Magnetics in Japan, 1987

The initial permeability decay, which is caused by disaccommodation in a polycrystalline Ni-Zn ferrite sample, was measured in a -60 ~ -40°C range under hydrostatic pressure of 1 bar to 2.5 kbar. The results were analyzed using a Richter-type relaxation hypothesis. The temperature dependence study of the upper limit T<sub>2</sub> of the relaxation time spectrum gave the activation energy of ...


Effect of mechanical deformations on thermally stimulated currents in polymers. I. Uniaxially cold-drawn polycarbonate

6th International Symposium on Electrets,(ISE 6) Proceedings., 1988

The thermally stimulated depolarization and polarization current (TSDC and TSPC) methods have been used to study the intermediate relaxation induced in polycarbonate by uniaxial cold drawing at various drawing ratios and rates. No spontaneous polarization resulting from molecular orientation or internal stress was evidenced by current measurements under zero bias voltage. The intermediate alpha ' relaxation was generated in TSPC ...


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Educational Resources on Volume relaxation

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IEEE-USA E-Books

  • Exchange narrowing of dipolar broadened EPR lines in superconductors

    The exchange narrowing of dipolar broadened paramagnetic resonance (EPR) lines by the long range exchange interaction is considered. That is the actual situation in magnetically diluted superconducting alloys, where a sharp decrease of the EPR linewidth under the superconducting transition was observed. These calculations show that the EPR linewidth drop below the superconducting transition temperature is a clear indication of the long wave- length electronic susceptibility decreasing in the superconducting state.

  • Thermal stress and relaxation behaviour of Al(Cu) submicron interconnects

    This paper addresses the reliability problem of stress-induced void formation in submicron Al(Cu) interconnect metallization. The discussion is focused on the driving force for void formation which is investigated by examining the nature of the thermal stress and its relaxation characteristics of submicron interconnect structures. The recent experimental results obtained by bending beam and X-ray diffraction techniques on the thermal stress and stress relaxation in Al(Cu) interconnect metallization are reviewed. The results reveal that as passivated Al(Cu) lines become narrower, the metal exhibits increasingly elastic behaviour with higher stress levels, a combination of stress characteristics which favour void formation. Stress relaxation behaviour has been investigated in Al(Cu) line structures with line widths of 3, 1 and 0.5 microns at 150, 200 and 250/spl deg/C. Results are consistent with a thermally activated dislocation glide mechanism and the kinetics is controlled by a combined effects of mass transport (diffusion) and shear stress (driving force). Results of these studies and their impact on stress voiding are discussed.

  • The change in initial lung volume during exercise

    The lung volumes from which inhalation and exhalation proceed change during exercise. There have been previous attempts to predict these lung volumes but none have been completely successful. Prediction of initial lung volume is important in the accurate calculation of respiratory power during exercise, especially when the subject is encumbered with respiratory protective apparatus and exercising above the anaerobic threshold. Although there is no direct work advantage to varying lung volumes at the beginning of inspiration or expiration, such changes appear to be dictated by the asymmetry of lung recoil pressure about the lung relaxation volume. Equalizing inspiratory and expiratory elastic pressures has been found to match available data on lung initial volume.<<ETX>>

  • Pressure Dependence of Disaccommodation in Ni-Zn Ferrite with Co Impurity

    The initial permeability decay, which is caused by disaccommodation in a polycrystalline Ni-Zn ferrite sample, was measured in a -60 ~ -40°C range under hydrostatic pressure of 1 bar to 2.5 kbar. The results were analyzed using a Richter-type relaxation hypothesis. The temperature dependence study of the upper limit T<sub>2</sub> of the relaxation time spectrum gave the activation energy of 0.58 eV. The activation volume determined from the pressure dependence of T<sub>2</sub> was found to be dependent on temperature and its size had an order of magnitude of 1 cm<sup>3</sup>/mol. These results are compatible with the view that the observed disaccommodation is caused by ionic diffusion, in spite of the widely accepted view that it is due to electron diffusion in this material. From these results, the ionic diffusion model seems to be more favorable than the widely accepted electron diffusion model.

  • Effect of mechanical deformations on thermally stimulated currents in polymers. I. Uniaxially cold-drawn polycarbonate

    The thermally stimulated depolarization and polarization current (TSDC and TSPC) methods have been used to study the intermediate relaxation induced in polycarbonate by uniaxial cold drawing at various drawing ratios and rates. No spontaneous polarization resulting from molecular orientation or internal stress was evidenced by current measurements under zero bias voltage. The intermediate alpha ' relaxation was generated in TSPC and subsequent TSDC experiments, but its properties were markedly different in the two types of spectra. In TSPC measurements, the molecular mechanism responsible for the alpha ' peak is probably a field-induced local orientation of chain segments made possible by the increase in free volume consecutive to the drawing process. During this polarization step, which involves a thermal treatment of the drawn material up to 100 degrees C, a progressive change in structure and dipolar environment occurs, and this tends to shift and broaden the relaxation as seen in subsequent TSDC cycles.<<ETX>>

  • Direct Fourier Transform NMR Tomography with Modified Kumar-Welti-Ernst(MKWE) Method

    Direct Fourier transform NMR tomographic method originally proposed by Kumar- Welti-Ernst(KWE) has been modified by double spin echo technique to improve the image quality. This new Modified-KWE(MKWE) method provides two quadrant data set in 2-D Fourier space which is essential for the accurate image representation of the NMR spin density. Further improvement of the MKWE method using the slice encoding technique and spin echo measurement time is also investigated.

  • Analytic approximation for migration assisted upconversion in Er-doped silica after short-pulse excitation

    We propose an analytic approximation describing the decay of the population inversion in Er-doped silica affected by the migration assisted homogeneous upconversion. We show that the results well agree with the Monte-Carlo simulations.

  • Cooperative relaxation processes in glass forming polymers and non-polymers

    The conformational relaxation near the glass transition is a local intermolecular cooperativity phenomenon. As the temperature is lowered, the domains of cooperativity grow in size toward the infinite size but never reach it. The relaxation function is derived from the distribution of domain size according to the equipartition principle. It fits data better than the KWW equation, particularly at high frequencies. This distribution implies that a significant number of conformers continue to undergo liquid-like (picosecond) relaxation even near the glass transition temperature.<<ETX>>

  • New power scaling laws for copper vapour lasers

    This paper deals with kinetically enhanced copper vapour lasers (KE-CVL) performance at elevated specific input powers by investigating three laser tubes of decreasing internal diameter for constant input power (7-9 kW).To enable direct observation of the effects of increased specific input power, the three laser tubes were investigated with other parameters held essentially constant viz. the end-housings, gas handling system, resonator optics and excitation circuit. The highest output power of 104 W was obtained for the largest tube investigated, which was 32 mm/spl times/1m long.

  • Modeling of an Active Nerve Fiber in a Finite Volume Conductor and Its Application to the Calculation of Surface Action Potentials

    Potentials within and on the surface of a finite cylindrical volume conductor due to a single active nerve fiber along its center have been calculated by solving Laplace's equation using a relaxation model. The results have enabled the variation of the potential that would be recorded from a surface electrode to be estimated for differing nerve depths and conduction velocities.



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