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Author : Frank Wenner
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Method of Measuring Earth Resistivity written by Frank Wenner and published by . This book was released on 1916 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew Binley
Publisher : Cambridge University Press
ISBN 13 : 1108492746
Total Pages : 409 pages
Book Rating : 4.1/5 (84 download)
Download or read book Resistivity and Induced Polarization written by Andrew Binley and published by Cambridge University Press. This book was released on 2020-12-17 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive text on resistivity and induced polarization covering theory and practice for the near-surface Earth supported by modelling software.
Author : Joseph Tampico
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (459 download)
Download or read book Measurement of Contact Resistance written by Joseph Tampico and published by . This book was released on 1940 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul G. Slade
Publisher : CRC Press
ISBN 13 : 9780824719340
Total Pages : 1116 pages
Book Rating : 4.7/5 (193 download)
Download or read book Electrical Contacts written by Paul G. Slade and published by CRC Press. This book was released on 1999-03-31 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering the choice, attachment, and testing of contact materials, Electrical Contacts introduces a thorough discussion on making electric contact and contact interface conduction, presents a general outline of, and measurement techniques for, important corrosion mechanisms, discusses the results of contact wear when plug-in connections are made and broken, investigates the effect of thin noble metal plating on electronic connections, relates crucial considerations for making high- and low-power contact joints, details arcing effects on contacts including contact erosion, welding, and contamination, and contains nearly 2800 references, tables, equations, drawings, and photographs.
Author : Ragnar Holm
Publisher : Springer Science & Business Media
ISBN 13 : 3662066882
Total Pages : 503 pages
Book Rating : 4.6/5 (62 download)
Download or read book Electric Contacts written by Ragnar Holm and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a completely revised and rewritten edition of "Electric Contacts Handbook" published in 1958. A large number of new in vestigations are considered, and many of the basic theories are revised in detail and even in general. The body of information had to be limited as it was not advisable to increase the volume of the book. In particular, no attempt was made to cover all of the practical applications. They appear as examples following concentrated explanations of basic phenomena. As in several branches of technology, the solutions of problems ari sing in the field of electric contacts involve insight into various disci plines of physics. It is feit that reviews of some of those topics, especi ally adapted to electric contact phenomena, are welcome to many readers. For example, chapters have been devoted to the structure of carbon, the band theory of electric conduction in solids, certain pro blems in statistics, and the theory of the electric arc. As regards arc problems, new ideas have been introduced. In order to make the main text less cumbersome, such reviews are presented as appendices. Throughout this edition, the mksa-unit system is used in accord with the latest recommendation for standardization of units in scientific and technical writings. The chapter "History of Early Investigations on Contacts" forming Part IV in the preceding edition of 1958 has not been repeated in this book.
Author : Edwin Fitch Northrup
Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (3 download)
Download or read book Methods of Measuring Electrical Resistance written by Edwin Fitch Northrup and published by . This book was released on 1912 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Russell Lee Gillenwater
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.:/5 (8 download)
Download or read book The Measurement of Contact Resistivity in Low Resistance Ohmic Contacts written by Russell Lee Gillenwater and published by . This book was released on 1987 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick Escreet Smith
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)
Download or read book Absolute Measurements of a Resistance by a Method Based on that of Lorenz written by Frederick Escreet Smith and published by . This book was released on 1914 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milenko Braunovic
Publisher : CRC Press
ISBN 13 : 0849391083
Total Pages : 672 pages
Book Rating : 4.8/5 (493 download)
Download or read book Electrical Contacts written by Milenko Braunovic and published by CRC Press. This book was released on 2017-12-19 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various factors affect the performance of electrical contacts, including tribological, mechanical, electrical, and materials aspects. Although these behaviors have been studied for many years, they are not widely used or understood in practice. Combining approaches used across the globe, Electrical Contacts: Fundamentals, Applications, and Technology integrates advances in research and development in the tribological, material, and analytical aspects of electrical contacts with new data on electrical current transfer at the micro- and nanoscales. Taking an application-oriented approach, the authors illustrate how material characteristics, tribological behavior, and loading impact the degradation of contacts, formation of intermetallics, and overall reliability and performance. Coverage is divided broadly into three sections, with the first focused on mechanics, tribology, materials, current and heat transfer, and basic reliability issues of electrical contacts. The next section explores applications, such as power connections, electronic connections, and sliding contacts, while the final section presents the diagnostic and monitoring techniques used to investigate and measure phenomena occurring at electrical contact interfaces. Numerous references to current literature reflect the fact that this book is the most comprehensive survey in the field. Explore an impressive collection of data, theory, and practical applications in Electrical Contacts: Fundamentals, Applications, and Technology, a critical tool for anyone investigating or designing electrical equipment with improved performance and reliability in mind.
Author : Zhong Li-Gang
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (631 download)
Download or read book The Thermal Contact Resistance Measurement Between the Solids Contact Surfaces written by Zhong Li-Gang and published by . This book was released on 2003 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : San Kyeong
Publisher : John Wiley & Sons
ISBN 13 : 1119679761
Total Pages : 388 pages
Book Rating : 4.1/5 (196 download)
Download or read book Electrical Connectors written by San Kyeong and published by John Wiley & Sons. This book was released on 2020-12-29 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover the foundations and nuances of electrical connectors in this comprehensive and insightful resource Electrical Connectors: Design, Manufacture, Test, and Selection delivers a comprehensive discussion of electrical connectors, from the components and materials that comprise them to their classifications and underwater, power, and high-speed signal applications. Accomplished engineer and author Michael G. Pecht offers readers a thorough explanation of the key performance and reliability concerns and trade-offs involved in electrical connector selection. Readers, both at introductory and advanced levels, will discover the latest industry standards for performance, reliability, and safety assurance. The book discusses everything a student or practicing engineer might require to design, manufacture, or select a connector for any targeted application. The science of contact physics, contact finishes, housing materials, and the full connector assembly process are all discussed at length, as are test methods, performance, and guidelines for various applications. Electrical Connectors covers a wide variety of other relevant and current topics, like: A comprehensive description of all electrical connectors, including their materials, components, applications, and classifications A discussion of the design and manufacture of all parts of a connector Application-specific criteria for contact resistance, signal quality, and temperature rise An examination of key suppliers, materials used, and the different types of data provided A presentation of guidelines for end-users involved in connector selection and design Perfect for connector manufacturers who select, design, and assemble connectors for their products or the end users who concern themselves with operational reliability of the system in which they’re installed, Electrical Connectors also belongs on the bookshelves of students learning the basics of electrical contacts and those who seek a general reference with best-practice advice on how to choose and test connectors for targeted applications.
Author : Erik Simon
Publisher : diplom.de
ISBN 13 : 3836638711
Total Pages : 116 pages
Book Rating : 4.8/5 (366 download)
Download or read book Analysis of Contact Resistance Change of Embroidered Interconnections written by Erik Simon and published by diplom.de. This book was released on 2009-11-20 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inhaltsangabe:Einleitung: Integration von Elektronik in Textilien ist ein Thema, das zunehmend in den Blickpunkt verschiedener Forschungsinstitute und Unternehmen rückt. Für diese sehr aktuelle Technik werden allerdings bisher nur herkömmliche Methoden der Verdrahtung verwendet. Um die Beschaffenheit eines Textils nicht zu verändern, und damit den Tragekomfort und das Erscheinungsbild nicht negativ zu beeinflussen, müssen neue Technologien verwendet werden. Ein Ansatz ist die Verwendung von gesticktem, elektrisch leitfähigem Garn. Dieses hat die gleichen mechanischen Eigenschaften wie herkömmliche Garne und stellt damit keinen Fremdkörper in einem Textil dar. Zusätzlich leitet es den elektrischen Strom und kann direkt durch Sticken mit einem elektronischen Modul verbunden werden. Dadurch dient das Garn als elektrischer Leiter für Signale und kann gleichzeitig eine Verbindung zu elektronischen Modulen herstellen. In vorangegangenen Forschungsprojekten wurde die Machbarkeit und Zuverlässigkeit von gestickten Kontakten untersucht. Es hat sich gezeigt, dass das Ankontaktieren und Verbinden von Substraten mit elektrisch leitfähigen Fäden eine mögliche Alternative zu den herkömmlichen Verdrahtungstechniken darstellt. Allerdings zeigten sich starke Schwankungen und auch Ausfälle der gemessenen Kontakwiderstände während der Zuverlässigkeitstests. Die vorliegende Arbeit befasst sich mit den Ursachen der Widerstandschwankungen und Ausfälle von gestickten Kontakten. Ziel ist es, diese zu analysieren und gezielt Verbesserungsvorschläge zu machen. Die erhöhte Zuverlässigkeit der verbesserten Kontakte soll abschließend im Experiment validiert werden. Anfangs werden die thermomechanischen und elektrischen Eigenschaften des verwendeten Garns analysiert und der Zusammenhang beider Größen erläutert. Dies geschieht auf Basis von thermomechanischen Analysen und Widerstandsmessungen, sowohl bei konstanter Temperatur als auch im Temperaturzyklentest. Weiterhin werden die gestickten Kontakte betrachtet. Das verwendete Messverfahren und ein theoretisches Modell des Kontaktwiderstands werden vorgestellt. Um die Einflussgrößen des gestickten Kontakts zu reduzieren, wird ein vereinfachtes physikalisches Modell eingeführt. Beide Strukturen werden anschließend in Temperaturzyklentests mit In-situ-Messsystemen untersucht. Die Ergebnisse des Experiments zeigen, dass sich der Widerstand der Kontakte anfangs verbessert, dann aber mit der Zeit verschlechtert. Die Degradation [...]
Author : William M. Loh
Publisher : Ann Arbor, Mich. : University Microfilms International
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (227 download)
Download or read book Modeling and Measurement of Contact Resistances written by William M. Loh and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1988 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a generalized model of ohmic contacts and a unified approach for the accurate extraction of specific contact resistivity rho(c) for ohmic contacts from measured contact resistance using the cross bridge Kelvin resistor, the contact end resistor, and the transmission line tap resistor test structures. A general three-dimensional (3-D) model of the contacts has been developed from the first principles and has been reduced to 2-D, 1-D, and 0-D (one lump) models with the necessary approximations. It is shown that the conventional 1-D models overestimate the value of rho(c) because of the parasitic resistance due to 2-D current flow around the periphery of the contact window. Using 2-D simulations, we have accurately modeled the current crowding effects and have extracted accurate values of rho(c) independent of contact size and the test structure type. A theory of scaling of contacts has been developed and is applied to commonly used structures. A universal set of curves has been derived for each particular contact resistance test structure and, given the geometry of the structure, these allow accurate determination of RHO (c) without the actual use of the 2-D simulator. Experimental and theoretical ree test structures has been compared. Accurate values of rho(c) for various contact materials to n+ and p+ Si have been determined. The data confirm that in the past researchers have overestimated rho(c) and that rho(c) will not limit device performance even with submicrometer design rules. (Reprints).
Author : Richard Sard
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.:/5 (319 download)
Download or read book Properties of Electrodeposits, Their Measurement and Significance written by Richard Sard and published by . This book was released on 1975 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Harman
Publisher : McGraw Hill Professional
ISBN 13 : 007164265X
Total Pages : 448 pages
Book Rating : 4.0/5 (716 download)
Download or read book Wire Bonding in Microelectronics written by George Harman and published by McGraw Hill Professional. This book was released on 2009-06-05 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Industry Standard Guide to Wire Bonding--Fully Updated The definitive resource on the critical process of connecting semiconductors with their packages, Wire Bonding in Microelectronics, Third Edition, has been thoroughly revised to help you meet the challenges of today's small-scale and fine-pitch microelectronics. This authoritative guide covers every aspect of designing, manufacturing, and evaluating wire bonds engineered with cutting-edge techniques. In addition to gaining a full grasp of bonding technology, you'll learn how to create reliable bonds at exceedingly high yields, test wire bonds, solve common bonding problems, implement molecular cleaning methods, and much more. COVERAGE INCLUDES: Ultrasonic bonding systems and technologies, including high-frequency systems Bonding wire metallurgy and characteristics, including copper wire Wire bond testing Gold-aluminum intermetallic compounds and other interface reactions Gold and nickel-based bond pad plating materials and problems Cleaning to improve bondability and reliability Mechanical problems in wire bonding High-yield, fifine-pitch, specialized-looping, soft-substrate, and extremetemperature wire bonds Copper, low-dielectric-constant (Cu/Lo-k) technology and problems Wire bonding process modeling and simulation CD includes all the book's full-color figures plus animations
Author : Oleg M. Alifanov
Publisher : Springer Science & Business Media
ISBN 13 : 3642764363
Total Pages : 360 pages
Book Rating : 4.6/5 (427 download)
Download or read book Inverse Heat Transfer Problems written by Oleg M. Alifanov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research monograph presents a systematic treatment of the theory of the propagation of transient electromagnetic fields (such as optical pulses) through dielectric media which exhibit both dispersion a.nd absorption. The work divides naturally into two parts. Part I presents a summary of the fundamental theory of the radiation and propagation of rather general electromagnetic waves in causal, linear media which are homogeneous and isotropic but which otherwise have rather general dispersive and absorbing properties. In Part II, we specialize to the propagation of a plane, transient electromagnetic field in a homogeneous dielectric. Although we have made some contributions to the fundamental theory given in Part I, most of the results of our own research appear in Part II. The purpose of the theory presented in Part II is to predict and to explain in explicit detail the dynamics of the field after it has propagated far enough through the medium to be in the mature-dispersion regime. It is the subject of a classic theory, based on the research conducted by A. Sommerfeld and L.
Author : Horst Czichos
Publisher : Springer Science & Business Media
ISBN 13 : 3642166415
Total Pages : 1244 pages
Book Rating : 4.6/5 (421 download)
Download or read book Springer Handbook of Metrology and Testing written by Horst Czichos and published by Springer Science & Business Media. This book was released on 2011-07-22 with total page 1244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Springer Handbook of Metrology and Testing presents the principles of Metrology – the science of measurement – and the methods and techniques of Testing – determining the characteristics of a given product – as they apply to chemical and microstructural analysis, and to the measurement and testing of materials properties and performance, including modelling and simulation. The principal motivation for this Handbook stems from the increasing demands of technology for measurement results that can be used globally. Measurements within a local laboratory or manufacturing facility must be able to be reproduced accurately anywhere in the world. The book integrates knowledge from basic sciences and engineering disciplines, compiled by experts from internationally known metrology and testing institutions, and academe, as well as from industry, and conformity-assessment and accreditation bodies. The Commission of the European Union has expressed this as there is no science without measurements, no quality without testing, and no global markets without standards.
