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AuthorHwang, Jennie S. author
TitleSolder Paste in Electronics Packaging [electronic resource] : Technology and Applications in Surface Mount, Hybrid Circuits, and Component Assembly / by Jennie S. Hwang
ImprintDordrecht : Springer Netherlands, 1989
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Descript XXIV, 456 p. online resource


One of the strongest trends in the design and manufacture of modern electronics packages and assemblies is the utilization of surface mount technology as a replacement for through-hole techยญ nology. The mounting of electronic devices and components onto the surface of a printed wiring board or other substrate offers many advantages over inserting the leads of devices or components into holes. From the engineering viewpoint, much higher lead counts with shorter wire and interconnection lengths can be accommoยญ dated. This is critical in high performance modern electronics packaging. From the manufacturing viewpoint, the application of automated assembly and robotics is much more adaptable to high lead count surface mounted devices and components. Indeed, the insertion of high lead count parts into fine holes on a substrate might often be nearly impossible. Yet, in spite of these surface mounting advantages, the utilization of surface mount technology is often a problem, primarily due to soldering problems. The most practical soldering methods use solder pastes, whose intricacies are frequently not understood by most of those involved in the engineering and manufacture of electronics assemblies. This publication is the first book devoted exclusively to explanations of the broad combination of the chemical, metallurgical, and rheological principles that are critical to the successful use of solder pastes. The critical relationยญ ships between these characteristics are clearly explained and preยญ sented. In this excellent presentation, Dr. Hwang highlights three imporยญ tant areas of solder paste technology


Iโ{128}{148}Overview -- 1 Introduction -- 2 Interdisciplinary Approach -- IIโ{128}{148}Basic Technologies -- 3 Chemical and Physical Characteristics -- 4 Metallurgical Aspects -- 5 Rheology of Solder Pastes -- IIIโ{128}{148}Methodologies and Applications -- 6 Application Techniques -- 7 Soldering Methodologies -- 8 Cleaning -- IVโ{128}{148}Reliability, Quality Control, and Tests -- 9 Solder Joint Reliability and Inspection -- 10 Special Topics in Surface Mount Soldering Problems and Other Soldering-RelatedProblems -- 11 Quality Assurance and Tests -- Vโ{128}{148}Future Tasks and Emerging Trends -- 12 Future Developments -- VIโ{128}{148}Appendix -- I. Federal Specification QQ-S-571E and Amendment 4 -- II. Ternary Phase Diagram: Pb-Ag-Sn, Sn-Pb-Bi -- III. Military Specification MIL-P-28809A: PrintedWiring Assemblies -- IV.Quantitative Determination of Rosin Residues onCleaned Electronics Assemblies

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