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Author: Mohd N. Tamin
Publisher: Springer Science & Business
ISBN: 3319000926
Category : Technology & Engineering
Languages : en
Pages : 179
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Book Description
This book presents a systematic approach in performing reliability assessment of solder joints using Finite Element (FE) simulation. Essential requirements for FE modelling of an electronic package or a single reflowed solder joint subjected to reliability test conditions are elaborated. These cover assumptions considered for a simplified physical model, FE model geometry development, constitutive models for solder joints and aspects of FE model validation. Fundamentals of the mechanics of solder material are adequately reviewed in relation to FE formulations. Concept of damage is introduced along with deliberation of cohesive zone model and continuum damage model for simulation of solder/IMC interface and bulk solder joint failure, respectively. Applications of the deliberated methodology to selected problems in assessing reliability of solder joints are demonstrated. These industry-defined research-based problems include solder reflow cooling, temperature cycling and mechanical fatigue of a BGA package, JEDEC board-level drop test and mechanisms of solder joint fatigue. Emphasis is placed on accurate quantitative assessment of solder joint reliability through basic understanding of the mechanics of materials as interpreted from results of FE simulations. The FE simulation methodology is readily applicable to numerous other problems in mechanics of materials and structures.
Author: Mohd N. Tamin
Publisher: Springer Science & Business
ISBN: 3319000926
Category : Technology & Engineering
Languages : en
Pages : 179
Get Book Here
Book Description
This book presents a systematic approach in performing reliability assessment of solder joints using Finite Element (FE) simulation. Essential requirements for FE modelling of an electronic package or a single reflowed solder joint subjected to reliability test conditions are elaborated. These cover assumptions considered for a simplified physical model, FE model geometry development, constitutive models for solder joints and aspects of FE model validation. Fundamentals of the mechanics of solder material are adequately reviewed in relation to FE formulations. Concept of damage is introduced along with deliberation of cohesive zone model and continuum damage model for simulation of solder/IMC interface and bulk solder joint failure, respectively. Applications of the deliberated methodology to selected problems in assessing reliability of solder joints are demonstrated. These industry-defined research-based problems include solder reflow cooling, temperature cycling and mechanical fatigue of a BGA package, JEDEC board-level drop test and mechanisms of solder joint fatigue. Emphasis is placed on accurate quantitative assessment of solder joint reliability through basic understanding of the mechanics of materials as interpreted from results of FE simulations. The FE simulation methodology is readily applicable to numerous other problems in mechanics of materials and structures.
Author: John H. Lau
Publisher: Springer Nature
ISBN: 9811539200
Category : Technology & Engineering
Languages : en
Pages : 545
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Book Description
This book focuses on the assembly and reliability of lead-free solder joints. Both the principles and engineering practice are addressed, with more weight placed on the latter. This is achieved by providing in-depth studies on a number of major topics such as solder joints in conventional and advanced packaging components, commonly used lead-free materials, soldering processes, advanced specialty flux designs, characterization of lead-free solder joints, reliability testing and data analyses, design for reliability, and failure analyses for lead-free solder joints. Uniquely, the content not only addresses electronic manufacturing services (EMS) on the second-level interconnects, but also packaging assembly on the first-level interconnects and the semiconductor back-end on the 3D IC integration interconnects. Thus, the book offers an indispensable resource for the complete food chain of electronics products.
Author: John H. Lau
Publisher: Springer Science & Business Media
ISBN: 1461539102
Category : Technology & Engineering
Languages : en
Pages : 649
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Book Description
Solders have given the designer of modern consumer, commercial, and military electronic systems a remarkable flexibility to interconnect electronic components. The properties of solder have facilitated broad assembly choices that have fueled creative applications to advance technology. Solder is the electrical and me chanical "glue" of electronic assemblies. This pervasive dependency on solder has stimulated new interest in applica tions as well as a more concerted effort to better understand materials properties. We need not look far to see solder being used to interconnect ever finer geo metries. Assembly of micropassive discrete devices that are hardly visible to the unaided eye, of silicon chips directly to ceramic and plastic substrates, and of very fine peripheral leaded packages constitute a few of solder's uses. There has been a marked increase in university research related to solder. New electronic packaging centers stimulate applications, and materials engineering and science departments have demonstrated a new vigor to improve both the materials and our understanding of them. Industrial research and development continues to stimulate new application, and refreshing new packaging ideas are emerging. New handbooks have been published to help both the neophyte and seasoned packaging engineer.
Author: Erdogan Madenci
Publisher: Springer Science & Business Media
ISBN: 1461502551
Category : Technology & Engineering
Languages : en
Pages : 201
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Book Description
Fatigue Life Prediction of Solder Joints in Electronic Packages with ANSYS® describes the method in great detail starting from the theoretical basis. The reader is supplied with an add-on software package to ANSYS® that is designed for solder joint fatigue reliability analysis of electronic packages. Specific steps of the analysis method are discussed through examples without leaving any room for confusion. The add-on package along with the examples make it possible for an engineer with a working knowledge of ANSYS® to perform solder joint reliability analysis. Fatigue Life Prediction of Solder Joints in Electronic Packages with ANSYS® allows the engineers to conduct fatigue reliability analysis of solder joints in electronic packages.
Author: Jasbir Bath
Publisher: John Wiley & Sons
ISBN: 1119482046
Category : Technology & Engineering
Languages : en
Pages : 515
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Book Description
Covering the major topics in lead-free soldering Lead-free Soldering Process Development and Reliability provides a comprehensive discussion of all modern topics in lead-free soldering. Perfect for process, quality, failure analysis and reliability engineers in production industries, this reference will help practitioners address issues in research, development and production. Among other topics, the book addresses: · Developments in process engineering (SMT, Wave, Rework, Paste Technology) · Low temperature, high temperature and high reliability alloys · Intermetallic compounds · PCB surface finishes and laminates · Underfills, encapsulants and conformal coatings · Reliability assessments In a regulatory environment that includes the adoption of mandatory lead-free requirements in a variety of countries, the book’s explanations of high-temperature, low-temperature, and high-reliability lead-free alloys in terms of process and reliability implications are invaluable to working engineers. Lead-free Soldering takes a forward-looking approach, with an eye towards developments likely to impact the industry in the coming years. These will include the introduction of lead-free requirements in high-reliability electronics products in the medical, automotive, and defense industries. The book provides practitioners in these and other segments of the industry with guidelines and information to help comply with these requirements.
Author: Andrew E. Perkins
Publisher: Springer Science & Business Media
ISBN: 0387793941
Category : Technology & Engineering
Languages : en
Pages : 202
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Book Description
Solder Joint Reliability Prediction for Multiple Environments will provide industry engineers, graduate students and academic researchers, and reliability experts with insights and useful tools for evaluating solder joint reliability of ceramic area array electronic packages under multiple environments. The material presented here is not limited to ceramic area array packages only, it can also be used as a methodology for relating numerical simulations and experimental data into an easy-to-use equation that captures the essential information needed to predict solder joint reliability. Such a methodology is often needed to relate complex information in a simple manner to managers and non-experts in solder joint who work with computer server applications as well as for harsh environments such as those found in the defense, space, and automotive industries.
Author: Darrel R. Frear
Publisher: Springer Science & Business Media
ISBN: 9780442015053
Category : Computers
Languages : en
Pages : 434
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Book Description
The Mechanics of Solder Alloy Interconnects is a resource to be used in developing a solder joint reliability assessment. Each chapter is written to be used as a stand-alone resource for a particular aspect of materials and modeling issues. With this gained understanding, the reader in search of a solution to a solder joint reliability problem knows where in the materials and modeling communities to go for the appropriate answer.
Author: Franklin Richard Nash, Ph.D.
Publisher: CRC Press
ISBN: 1498719201
Category : Business & Economics
Languages : en
Pages : 784
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Book Description
This book provides engineers and scientists with a single source introduction to the concepts, models, and case studies for making credible reliability assessments. It satisfies the need for thorough discussions of several fundamental subjects. Section I contains a comprehensive overview of assessing and assuring reliability that is followed by discussions of: • Concept of randomness and its relationship to chaos • Uses and limitations of the binomial and Poisson distributions • Relationship of the chi-square method and Poisson curves • Derivations and applications of the exponential, Weibull, and lognormal models • Examination of the human mortality bathtub curve as a template for components Section II introduces the case study modeling of failure data and is followed by analyses of: • 5 sets of ideal Weibull, lognormal, and normal failure data • 83 sets of actual (real) failure data The intent of the modeling was to find the best descriptions of the failures using statistical life models, principally the Weibull, lognormal, and normal models, for characterizing the failure probability distributions of the times-, cycles-, and miles-to-failure during laboratory or field testing. The statistical model providing the preferred characterization was determined empirically by choosing the two-parameter model that gave the best straight-line fit in the failure probability plots using a combination of visual inspection and three statistical goodness-of-fit (GoF) tests. This book offers practical insight in dealing with single item reliability and illustrates the use of reliability methods to solve industry problems.
Author: John Hock Lye Pang
Publisher: Springer
ISBN: 9781489991164
Category : Technology & Engineering
Languages : en
Pages : 175
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Book Description
Lead-free solders are used extensively as interconnection materials in electronic assemblies and play a critical role in the global semiconductor packaging and electronics manufacturing industry. Electronic products such as smart phones, notebooks and high performance computers rely on lead-free solder joints to connect IC chip components to printed circuit boards. Lead Free Solder: Mechanics and Reliability provides in-depth design knowledge on lead-free solder elastic-plastic-creep and strain-rate dependent deformation behavior and its application in failure assessment of solder joint reliability. It includes coverage of advanced mechanics of materials theory and experiments, mechanical properties of solder and solder joint specimens, constitutive models for solder deformation behavior; numerical modeling and simulation of solder joint failure subject to thermal cycling, mechanical bending fatigue, vibration fatigue and board-level drop impact tests.
Author: Ephraim Suhir
Publisher: CRC Press
ISBN: 0429863829
Category : Technology & Engineering
Languages : en
Pages : 344
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Book Description
Avoiding Inelastic Strains in Solder Joint Interconnections of IC Devices addresses analytical (mathematical) modeling approaches aimed at understanding the underlying physics and mechanics of the behavior and performance of solder materials and solder joint interconnections of IC devices. The emphasis is on design for reliability, including probabilistic predictions of the solder lifetime. Describes how to use the developed methods of analytical predictive modeling to minimize thermal stresses and strains in solder joint of IC devices Shows how to build the preprocessing models in finite-element analyses (FEA) by comparing the FEA and analytical data Covers how to design the most effective test vehicles for testing solder joints Details how to design and organize, in addition to or sometimes even instead of highly accelerated life tests (HALT), highly focused and highly cost-effective failure oriented accelerated testing (FOAT) to understand the physic of failure of solder joint interconnections Outlines how to convert the low cycle fatigue conditions into elastic fatigue conditions and to assess the fatigue lifetime in such cases Illustrates ways to replace time- and labor-consuming, expensive, and possibly misleading temperature cycling tests with simpler and physically meaningful accelerated tests This book is aimed towards professionals in electronic and photonic packaging, electronic and optical materials, materials engineering, and mechanical design.
