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 tech 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 accommo 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 relation ships between these characteristics are clearly explained and pre sented. In this excellent presentation, Dr. Hwang highlights three impor tant areas of solder paste technology.
I—Overview.- 1 Introduction.- 2 Interdisciplinary Approach.- II—Basic Technologies.- 3 Chemical and Physical Characteristics.- 4 Metallurgical Aspects.- 5 Rheology of Solder Pastes.- III—Methodologies and Applications.- 6 Application Techniques.- 7 Soldering Methodologies.- 8 Cleaning.- IV—Reliability, Quality Control, and Tests.- 9 Solder Joint Reliability and Inspection.- 10 Special Topics in Surface Mount Soldering Problems and Other Soldering-Related Problems.- 11 Quality Assurance and Tests.- V—Future Tasks and Emerging Trends.- 12 Future Developments.- VI—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: Printed Wiring Assemblies.- IV. Quantitative Determination of Rosin Residues on Cleaned Electronics Assemblies.
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 tech 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 accommo 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 relation ships between these characteristics are clearly explained and pre sented. In this excellent presentation, Dr. Hwang highlights three impor tant areas of solder paste technology.
I-Overview.- 1 Introduction.- 2 Interdisciplinary Approach.- II-Basic Technologies.- 3 Chemical and Physical Characteristics.- 4 Metallurgical Aspects.- 5 Rheology of Solder Pastes.- III-Methodologies and Applications.- 6 Application Techniques.- 7 Soldering Methodologies.- 8 Cleaning.- IV-Reliability, Quality Control, and Tests.- 9 Solder Joint Reliability and Inspection.- 10 Special Topics in Surface Mount Soldering Problems and Other Soldering-Related Problems.- 11 Quality Assurance and Tests.- V-Future Tasks and Emerging Trends.- 12 Future Developments.- VI-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: Printed Wiring Assemblies.- IV. Quantitative Determination of Rosin Residues on Cleaned Electronics Assemblies.
Inhaltsverzeichnis
I-Overview.- 1 Introduction.- 2 Interdisciplinary Approach.- II-Basic Technologies.- 3 Chemical and Physical Characteristics.- 4 Metallurgical Aspects.- 5 Rheology of Solder Pastes.- III-Methodologies and Applications.- 6 Application Techniques.- 7 Soldering Methodologies.- 8 Cleaning.- IV-Reliability, Quality Control, and Tests.- 9 Solder Joint Reliability and Inspection.- 10 Special Topics in Surface Mount Soldering Problems and Other Soldering-Related Problems.- 11 Quality Assurance and Tests.- V-Future Tasks and Emerging Trends.- 12 Future Developments.- VI-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: Printed Wiring Assemblies.- IV. Quantitative Determination of Rosin Residues on Cleaned Electronics Assemblies.
Klappentext
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 tech 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 accommo 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 relation ships between these characteristics are clearly explained and pre sented. In this excellent presentation, Dr. Hwang highlights three impor tant areas of solder paste technology.
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