IEEE Organizations related to Brazing

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Conferences related to Brazing

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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 International Conference on Industrial Engineering and Engineering Management (IEEM)

All topics related to engineering and technology management, including applicable analytical methods and economical/social/human issues to be considered in making engineering decisions.


2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Science, technology and applications spanning the millimeter-waves, terahertz and infrared spectral regions


2019 6th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA)

Nuclear instrumentation and measurement methods in nuclear environments are key aspectsthat contribute to the quality of scientific programmes in the fields of physics, energy, the fuelcycle and waste management. Furthermore, measurements relying on nuclear physics now playan important role in various fields of application such as biology, medicine and the environment.The ANIMMA conference aims at uniting, consolidating and organizing an international networkof scientific researchers and experts from industry, research institutes, academic dealing withnuclear instrumentation and applications).ANIMMA 2017 is the fifth of a series of conferences devoted to endorsing andpromoting scientific and technical activities based on nuclear instrumentation andmeasurements.The main objective of ANIMMA conference is to unite the various scientific communities not onlyinvolved in nuclear instrumentation and measurements, but also in methodology activities (R&D, Innovation and

  • 2017 5th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA)

    Nuclear instrumentation and measurement methods in nuclear environments are key aspects that contribute to the quality of scientific programmes in the fields of physics, energy, the fuel cycle and waste management. Furthermore, measurements relying on nuclear physics now play an important role in various fields of application such as biology, medicine and the environment. The ANIMMA conference aims at uniting, consolidating and organizing an international network of scientific researchers and experts from industry, research institutes, academic dealing with nuclear instrumentation and measurement methodology activities (R&D, Innovation and applications).ANIMMA 2017 is the fifth of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements.The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in

  • 2015 4th International Conference on Advancements in Nuclear InstrumentationMeasurement Methods and their Applications (ANIMMA)

    ANIMMA 2015 is the fourth of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements. The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in nuclear medicine and radiation. The conference is all about getting scientists, engineers and the industry to meet, exchange cultures and identify new scientific and technical prospects to help overcome both current and future unresolved issues. The ANIMMA conference provides scientists and engineers with a veritable opportunity to compare their latest research and development in different areas: physics, nuclear energy, nuclear fuel cycle, safety, security, future energies (GEN III+, GENIV, ITER, ...).

  • 2013 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    ANIMMA conference sets out to unite, consolidate and organize an international network of scientific, researcher and experts from industry, research institutes, academic dealing with nuclear instrumentation and measurement methodology activities (R&D, Innovation and applications).ANIMMA 2013 is the third of a series of conferences devoted to endorsing and promoting scientific and technical activities based on nuclear instrumentation and measurements The main objective of ANIMMA conference is to unite the various scientific communities not only involved in nuclear instrumentation and measurements, but also in nuclear medicine and radiation. The conference is all about getting scientists, engineers and the industry to meet, exchange cultures and identify new scientific and technical prospects to help overcome both current and future unresolved issues.

  • 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    The aim of the conference is to bring together scientific, academic and industrial communities interested in, or actively involved in research and developments related to nuclear instrumentation and measurement methods.

  • 2009 1st International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

    The program is focused onnuclear instrumantation and measurement methods and deals with all measurement stage : modeling,radiation detection, in plie measurements, electronics, signal acquisition and analysis and training/education activities


2019 IEEE 28th Symposium on Fusion Engineering (SOFE)

fusion engineering, physics and materials, plasma heating, vacuum technology, tritium processing, fueling, first walls, blankets and divertors


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Periodicals related to Brazing

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Xplore Articles related to Brazing

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Laser brazing metallic embedding technique for fiber optic sensors

2017 25th Optical Fiber Sensors Conference (OFS), 2017

In this paper a fiber optic metallic embedding technique is presented based on laser Brazing manufacturing process. The embedding strategy to follow by the laser Brazing, which consists in three steps, minimizes the thermal stress of the embedded fiber, relaxes microbending strains and reduces damage on the fiber. The minimum embedded fiber optic Ni coating total diameter is 237μm for ...


Mechanism of Cu5Zn8 layer act as a diffusion barrier layer

2018 19th International Conference on Electronic Packaging Technology (ICEPT), 2018

The development of lead-free in electronic packaging field brings many new problems, Interfacial intermetallic compound (IMC) formed at the interface of Sn and the substrate is an important factor for the reliability of soldering joints, which will seriously decrease the reliability of solder joints for its brittleness. Cu5Zn8 shows low cost, low melting point and better mechanical properties than Cu6Sn5. ...


Control of Vacuum Induction Brazing System for Sealing of Instrumentation Feedthrough

IEEE Transactions on Nuclear Science, 2017

The integrity of instrumentation cables is an important performance parameter in the brazing process, along with the sealing performance. In this paper, an accurate control scheme for brazing of the instrumentation feedthrough in a vacuum induction brazing system was developed. The experimental results show that the accurate brazing temperature control performance is achieved by the developed control scheme. It is ...


New Possible Way for Brazing of Thick Film Cermet Conductors

2019 42nd International Spring Seminar on Electronics Technology (ISSE), 2019

The main aim of this work was to show a new approach in using brazing technology (hard soldering) on thick film conductors. Metallic leads and thick film conductors on alumina substrate were used to verify brazed joints. A flame and conductive heat transfer methods were used for brazing of three braze alloys such as Ag15CuP, Ag40Sn and Ag45CuZn. The tested ...


Design Consideration of Induction Brazing Systems

2018 20th International Symposium on Electrical Apparatus and Technologies (SIELA), 2018

The process of induction brazing is a dedicated application of the induction heating which requires special attention during the estimation and design of the systems used to apply it. This comes from the specific requirements defined by the materials properties used and by the needs of specific temperature profile required during the process. In this paper we will review the ...


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Educational Resources on Brazing

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IEEE.tv Videos

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IEEE-USA E-Books

  • Laser brazing metallic embedding technique for fiber optic sensors

    In this paper a fiber optic metallic embedding technique is presented based on laser Brazing manufacturing process. The embedding strategy to follow by the laser Brazing, which consists in three steps, minimizes the thermal stress of the embedded fiber, relaxes microbending strains and reduces damage on the fiber. The minimum embedded fiber optic Ni coating total diameter is 237μm for a successful process with negligible optical loss on the fiber. Fiber Bragg Gratings were successfully embedded in metallic specimens and their strain response was in accordance with their specifications.

  • Mechanism of Cu5Zn8 layer act as a diffusion barrier layer

    The development of lead-free in electronic packaging field brings many new problems, Interfacial intermetallic compound (IMC) formed at the interface of Sn and the substrate is an important factor for the reliability of soldering joints, which will seriously decrease the reliability of solder joints for its brittleness. Cu5Zn8 shows low cost, low melting point and better mechanical properties than Cu6Sn5. In the present study, scallop-like Cu5Zn8 was used as diffusion barrier layer between lead-free solder alloy and cooper substrate. Effect of the diffusion barrier layer for reflowing with several holding temperature and times was investigated. In addition, the Cu element diffusion behavior and the thickness change of IMC layer for different soldering temperature and time. The conclusions were summarized as follows: 1) From the results, conclusions can be drawn as The IMC layer initially preparation on cooper substrate acting as a diffusion barrier layer between lead-free solder alloy and cooper substrate is feasible. 2) the average thickness of IMC layer increase as the soldering time and temperature increase on both Cu substrate and Cu5Zn8 substrate. 3) For the same soldering time and temperature, the average thickness of IMC layer is thinner for Cu5Zn8 substrates than Cu substrate. 4) Cu5Zn8 layer can effectively restrain elements diffusion in Sn9Zn soldering joints.

  • Control of Vacuum Induction Brazing System for Sealing of Instrumentation Feedthrough

    The integrity of instrumentation cables is an important performance parameter in the brazing process, along with the sealing performance. In this paper, an accurate control scheme for brazing of the instrumentation feedthrough in a vacuum induction brazing system was developed. The experimental results show that the accurate brazing temperature control performance is achieved by the developed control scheme. It is demonstrated that the sealing performances of the instrumentation feedthrough and the integrity of the instrumentation cables are to be acceptable after brazing.

  • New Possible Way for Brazing of Thick Film Cermet Conductors

    The main aim of this work was to show a new approach in using brazing technology (hard soldering) on thick film conductors. Metallic leads and thick film conductors on alumina substrate were used to verify brazed joints. A flame and conductive heat transfer methods were used for brazing of three braze alloys such as Ag15CuP, Ag40Sn and Ag45CuZn. The tested pattern was made using silver (Ag) and silver-palladium (AgPd) thick film pastes on 96% Al2O3 substrate by screen printed technique and followed by firing process at temperature 850 °C. Nickel-silver and nickel-chromium-titanium leads were brazed on the thick film conductors with subsequent evaluation of the shear and the pull strength joints. The results of this work demonstrated very effective brazing technology on thick film conductors without usage of protective atmosphere or oven.

  • Design Consideration of Induction Brazing Systems

    The process of induction brazing is a dedicated application of the induction heating which requires special attention during the estimation and design of the systems used to apply it. This comes from the specific requirements defined by the materials properties used and by the needs of specific temperature profile required during the process. In this paper we will review the key moments during design of the induction brazing systems by means of power converters and it's matching to the load. Achieving of the maximum efficiency and effectiveness of the energy transfer is the main goal.

  • Improvement of field emission characteristics of carbon nanotube emitters using phosporous compound

    Carbon nanotubes (CNTs) have attracted much attention as field emitters for x-ray tubes because of their excellent properties such as rapid operation speed, wide operation range, reduced size, light weight, and no necessity of emitter heating. This study fabricated the CNT emitters by screen-printing the CNT paste, followed by firing at 435 °C and vacuum heat treatment at 830 °C. During the high-temperature vacuum brazing, CNT emitters were often damaged by reacting with ingredients of the CNT paste. Oxidation temperature of CNTs was increased as much as ~160 °C by adding phosphorous compound. The CNT paste prepared using phosphorous compound showed a considerable improvement of field emission I-V and lifespan performances by enhancing thermal stability of CNTs.

  • Thermal modelling of a brazing process of vacuum interrupters

    This work describes a three-dimensional thermal finite-difference analysis of a brazing process of vacuum interrupters. The overall objective is to develop a reliable numerical model to be used to optimise the number of interrupters and the configuration in which these are placed within the furnace so that the process duration and cost are minimized. Significant simplification tasks are performed during the discretization stage bearing in mind the high number of interrupters, their complex geometry and the fact that the heat exchange is mainly governed by a radiation mechanism. As a first step, the simplified models of the interrupters are validated. Thermal loads to be applied and heat leaks of the furnace are calculated based on some earlier tests. Numerical results indicate that heat fluxes and heat leaks are accurately considered in the model and the general thermal behaviour is correctly predicted. The model is concluded to be effective to study and optimise the brazing process duration and cost.

  • The scientific development of brazing technology electronic devices

    In the approximation of absence of heat exchange with air soldering rod and wire of constant cross-sectional area of the obtained analytical dependences, allowing to determine the temperature of the soldering depending on the thermophysical and geometrical parameters of the soldering tool and solder joints. The theoretical values within the error of the experiment coincide with the experimental data. The research results are introduced in serial production of electronic devices for military, space and medical purposes. The research results are tested in mass production of products for various purposes. High quality brazed joints performed according to the recommendations of the conducted studies confirmed the complex test automation units in terms of resistance to the effects of mechanical stress, the test devices for military, space and medical appointments experienced by storage and reliability, verification of mechanical strength of several hundred soldered joints, visual inspection of several tens of thousands of brazed joints, examination of thin sections of solder joints, forms solder joints, the study of gap boundaries of the brazed joints.

  • EMI Characterization of Induction Brazing of Spacecraft Propulsion Lines

    Induction brazing uses very large AC magnetic fields that induce strong local currents in metallic pieces being joined, which raises their temperature enough to melt the braze compound between them. The magnitude of the fields and the voltages induced in electronic interface circuits that are the terminal loads of the harnesses exposed to the braze fields were assessed by lab tests to determine the risk of damage. Simple models of the fields produced by the induction coil were used to determine minimum separations between an induction coil and harness to prevent overstress of electronics.

  • A Validity study on Dip & Vacuum Brazing Method for Ka-band Waveguide Slot Array Antenna

    In this paper, two different fabrication methods, which are dip-brazing and vacuum-brazing, are applied to Ka-band waveguide slot array antenna for radar system. Dip & vacuum brazing needs a different jig design and layer composition for manufacture in the same design model. The validity of each method is verified by comparing between the simulation and the measurement result. According to the result, it is found that both fabrication methods are available for Ka-band waveguide slot array antenna.



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