3IBEW And NECA Accepting Registrations For Electrician Apprenticeships
ALSIP, IL — International Brotherhood of Electrical Workers Local 134 and the Electrical Contractors’ Association invite interested applicants 17 years or older to register for electrical apprenticeships. The apprenticeship program is being offered through the Electrical Joint Apprenticeship and Training Trust. Registration will take place every Wednesday from 9 to 11 a.m. until further notice.Apprenticeship candidates must register in person at the IBEW-NECA Technical Institute, 6201 W. 115th St., Alsip, and bring the following documents:
- A valid driver’s license
- Original Social Security Card
Also, applicants should bring copies of the following documents that will be kept by EJATT (no documents may be copied in the EJATT office and none will be returned):
- A $25 non-refundable registration fee (money order only made payable to EJATT).
- Proof of employment eligibility (copy of U.S. birth certificate, U.S. passport, certificate of U.S. citizenship or naturalization, or permanent alien card).
- Proof of high school graduation, such as official or unofficial high school transcript, copy of high school diploma or GED certificate. Current high school seniors may register with acceptance contingent upon graduation.
- Copy of transcript showing proof of one full year of high school level algebra with a “C” grade or better, or one post-high school level algebra course of higher level course with a grade of at least “C” or better. Please note that the GED math certification does not satisfy this requirement.
The EJATT will not discriminate in recruitment, selection, employment, and training of apprenticeships based on race, color, religion, national origin or sex. EJATT will provide equal opportunity in the apprenticeship program and will operate as required under all applicable laws and regulations.Electricians assemble, install, maintain, and test electrical equipment and wiring systems in residential, commercial, and industrial settings. The apprentice program is five years in duration, and is registered with the U.S. Department of Labor, Bureau of Apprenticeship and Training.
The program consists of on-the-job training provided by union electrical contractors, and related classroom instruction at the state-of-the-art IBEW/NECA Technical Institute on 26 acres in suburban Alsip, Illinois. Visit EJATT for more information about registering for electrical apprenticeships.
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2Viewing Atomic Structures Of Dopant Atoms In 3-D Relating To Electrical Activity In A Semiconductor
Soft X-rays excite the core level electrons, leading to the emission of photoelectrons from various atoms, whose waves are then scattered by the surrounding atoms. The interference pattern between the scattered and direct photoelectron waves creates the photoelectron hologram, which may then be captured with an electron analyzer. Credit: Nano Letters
Scientists at Tokyo Institute of Technology and their team involving researchers of JASRI, Osaka University, Nagoya Institute of Technology and Nara Institute of Science and Technology have just developed a novel approach to determine and visualize the three-dimensional (3-D) structure of individual dopant atoms using SPring-8. The technique will improve the current understanding of the atomic structures of dopants in semiconductors correlated with their electrical activity and thus support the development of new manufacturing processes for high-performance devices.
Using a combination of spectro-photoelectron holography, electrical property measurements and first-principles dynamics simulations, the 3-D atomic structures of dopant impurities in a semiconductor crystal were successfully revealed. The need for a better understanding of the atomic structures of dopants in semiconductors had been long felt, mainly because the current limitations on active dopant concentrations result from the deactivation of excess dopant atoms by the formation of various types of clusters and other defect structures.
The search for techniques to electrically activate the dopant impurities in semiconductors with high efficiency and/or at high concentrations have always been an essential aspect of semiconductor device technology. However, despite continuing developments, the achievable maximum concentration of active dopants remains limited. These important structures had been previously investigated using both theoretical and experimental approaches. However, direct observation of the 3-D structures of the dopant atomic arrangements have hitherto been difficult to achieve.
In this study, Kazuo Tsutsui at Tokyo Tech and colleagues developed spectro-photoelectron holography using SPring-8, and leveraged the capabilities of photoelectron holography in determining the concentrations of dopants at different sites, based on the peak intensities of the photoelectron spectrum, and classified electrically active / inactive atomic sites. These structures are directly related to the density of carriers. In this approach, soft X-ray excitation of the core level electrons leads to the emission of photoelectrons from various atoms, whose waves are then scattered by the surrounding atoms. The resulting interference pattern creates the photoelectron hologram, which may then be captured with an electron analyzer. The photoelectron spectra acquired in this manner contain information from more than one atomic site. Therefore, peak fitting is performed to obtain the photoelectron hologram of individual atomic sites. The combination of this technique with first-principles simulations allows the successful estimation of the 3-D structure of the dopant atoms, and the assessment of their different chemical bonding states. The method was used to estimate the 3-D structures of arsenic atoms doped onto a silicon surface. The obtained results fully demonstrated the power of the proposed method and allowed confirmation of several previous results.
This work demonstrates the potential of spectro-photoelectron holography for the analysis of impurities in semiconductors. This technique allows analyses that are difficult to perform with conventional approaches and should therefore be useful in the development of improved doping techniques and, ultimately, in supporting the manufacture of high-performance devices.
Explore further: Newly-discovered semiconductor dynamics may help improve energy efficiency
More information: Kazuo Tsutsui et al, Individual Atomic Imaging of Multiple Dopant Sites in As-Doped Si Using Spectro-Photoelectron Holography, Nano Letters (2017). DOI: 10.1021/acs.nanolett.7b03467
1Grain Oriented Electrical Steel Market 2018 Global Key Players, Trends, Share, Industry Size, Segmentation, Opportunities, Forecast To 2023
“World Grain Oriented Electrical Steel Market”
Market Analysis Research Report On “Global Grain Oriented Electrical Steel Market 2018 Industry Growth, Size, Trends, Share, Opportunities And Forecast To 2023” To Their Research Database.
World Grain Oriented Electrical Steel Market
Electrical steel is an alloy that contains iron and silicon. It can be manufactured by modifying the magnetic properties of steel for efficient magnetism and electricity conversion.Also called silicon steel, lamination steel, relay steel or transformer steel, this type of steel is very often used to build the cores of transformers as well as the stators of generators and motors. An electrical steel sheet is a functional material used as an iron core material for electrical equipment.There are two types of electrical steel: grainoriented electrical steel and non-grainoriented electrical steel, and they are used for different applications. In this report we researched grainoriented electrical steel. Grain oriented electrical steels are iron-silicon magnetic alloys. These alloys are used to construct the cores of highly-efficient electric transformers due to their unique magnetic properties.Available in grades M-2, M-3, M-4, M-5 and M-6, with superior magnetic properties in the rolling direction, oriented steels are used in transformer cores. They are used in large generators and other apparatus when the design permits the directional magnetic characteristics to be used efficiently. Grainoriented electrical steel usually has a silicon level of 3%. It is processed in such a way that the optimal properties are developed in the rolling direction, due to a tight control (proposed by Norman P. Goss) of the crystal orientation relative to the sheet.Grainoriented electrical steels are usually applied in transformers, rectifiers and so on.
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The Players mentioned in our report NLMK Group AK Steel ThyssenKrupp Posco JFE Steel ArcelorMittal Stalprodukt S.A. ATI Cogent(Tata Steel) NSSMC WISCO Baosteel Ansteel Shougang
Grain Oriented Electrical Steel market research report provides the newest industry data and industry future trends, allowing you to identify the products and end users driving Revenue growth and profitability. The industry report lists the leading competitors and provides the insights strategic industry Analysis of the key factors influencing the market. The report includes the forecasts, Analysis and discussion of important industry trends, market size, market share estimates and profiles of the leading industry Players. The market is expected to expand at 8.58% CAGR over the period between 2018 and 2023.Global Grain Oriented Electrical Steel Market: Product Segment Analysis General High magnetic strength Domain refinement Global Grain Oriented Electrical Steel Market: Application Segment Analysis Spinner The Immobilizer Large electrical machine Middle sized motors Compressor-motor General-purpose machine Global Grain Oriented Electrical Steel Market: Regional Segment Analysis USA Europe Japan China India South East Asia Table of Content-Key Points Covered
Chapter 1 About the Grain Oriented Electrical Steel Industry 1.1 Industry Definition 1.1.1 Types of Grain Oriented Electrical Steel industry 22.214.171.124 General 126.96.36.199 High magnetic strength 188.8.131.52 Domain refinement 1.2 Main Market Activities 1.3 Similar Industries 1.4 Industry at a Glance
Chapter 2 World Market Competition Landscape 2.1 Grain Oriented Electrical Steel Markets by Regions 2.1.1 USA Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.1.2 Europe Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.1.3 China Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.1.4 India Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.1.5 Japan Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.1.6 South East Asia Market Revenue (M USD) and Growth Rate 2013-2018 Market Sales and Growth Rate 2013-2018 Major Players Revenue (M USD) in 2018 2.2 World Grain Oriented Electrical Steel Market by Types General High magnetic strength Domain refinement 2.3 World Grain Oriented Electrical Steel Market by Applications Spinner The Immobilizer Large electrical machine Middle sized motors Compressor-motor 2.4 World Grain Oriented Electrical Steel Market Analysis 2.4.1 World Grain Oriented Electrical Steel Market Revenue and Growth Rate 2013-2018 2.4.2 World Grain Oriented Electrical Steel Market Consumption and Growth rate 2013-2018 2.4.3 World Grain Oriented Electrical Steel Market Price Analysis 2013-2018
Chapter 3 World Grain Oriented Electrical Steel Market share 3.1 Major Production Market share by Players 3.2 Major Revenue (M USD) Market share by Players 3.3 Major Production Market share by Regions in 2018, Through 2023 3.4 Major Revenue (M USD) Market share By Regions in 2018, Through 2023
Chapter 4 Supply Chain Analysis 4.1 Industry Supply chain Analysis 4.2 Raw material Market Analysis 4.2.1 Raw material Prices Analysis 2012-2018 4.2.2 Raw material Supply Market Analysis 4.2 Manufacturing Equipment Suppliers Analysis 4.3 Production Process Analysis 4.4 Production Cost Structure Benchmarks 4.5 End users Market Analysis
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