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Author :
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (18 download)
Download or read book Surface Mount Solder Joint Evaluation written by and published by . This book was released on 2017 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9781580984287
Total Pages : 37 pages
Book Rating : 4.9/5 (842 download)
Download or read book Surface Mount Solder Joint Evaluation written by and published by . This book was released on 1999 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9781580984706
Total Pages : pages
Book Rating : 4.9/5 (847 download)
Download or read book Surface Mount Solder Joint Evaluation written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (5 download)
Download or read book Surface Mount Solder Joint Evaluation written by and published by . This book was released on 1998 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John H. Lau
Publisher : Springer Science & Business Media
ISBN 13 : 1461539102
Total Pages : 649 pages
Book Rating : 4.4/5 (615 download)
Download or read book Solder Joint Reliability written by John H. Lau and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Michael E. Kral
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (67 download)
Download or read book Surface Mounted Solder Joint Design, Creation, and Evaluation written by Michael E. Kral and published by . This book was released on 1990 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (16 download)
Download or read book An Evaluation of the Blind Lap Joint for the Surface Mount Attachment of Chip Components written by and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blind lap solder joints were used to attach leadless ceramic chip resistors to polyimidequartz circuit boards. Hand soldering and vapor phase reflow techniques were evaluated. The solder was 62Sn-36Pb-2Ag (wt.%). The integrity of the solder joints was assessed by microstructural examination and room temperature shear tests. These analyses were performed on as-fabricated circuit boards as well as an those samples exposed to thermal cycling (308 cycles; −55° to 125°C; 6°C/min ramps; 120 min hold periods;) or thermal shock (100 cycles, −55°C to 125°C; liquid-to-liquid transfer; 10 min hold periods). In all cases, microscopy revealed no cracks within the solder joints. The shear strengths of the joints were 13.4 lb (59 N), as-fabricated; 10.5 lb (47 N), 308 thermal cycles; and 14.0 lb (62 N), 100 thermal shock cycles. All values were well within acceptability limits for the particular application. Measurements of the intermetallic compound thicknesses at the copper land/solder interface indicated that the additional heating cycle of the hand soldering step decreased the layer thickness as compared to non-hand soldered joints. The successful implementation of the blind lap joint can provide increased device densities on circuit boards by reducing bonding pad extension beyond the ceramic chip foot print.
Author : National Aeronautics and Space Adm Nasa
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.6/5 (629 download)
Download or read book Automated Inspection of Solder Joints for Surface Mount Technology written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2020-07 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Researchers at NASA/GSFC evaluated various automated inspection systems (AIS) technologies using test boards with known defects in surface mount solder joints. These boards were complex and included almost every type of surface mount device typical of critical assemblies used for space flight applications: X-ray radiography; X-ray laminography; Ultrasonic Imaging; Optical Imaging; Laser Imaging; and Infrared Inspection. Vendors, representative of the different technologies, inspected the test boards with their particular machine. The results of the evaluation showed limitations of AIS. Furthermore, none of the AIS technologies evaluated proved to meet all of the inspection criteria for use in high-reliability applications. It was found that certain inspection systems could supplement but not replace manual inspection for low-volume, high-reliability, surface mount solder joints. Savage, Robert M. and Park, Hyun Soo and Fan, Mark S. Goddard Space Flight Center NASA-TM-104580, NAS 1.15:104580, REPT-93B00035 RTOP 310-39-09-01-25 AUTOMATIC CONTROL; DEFECTS; INSPECTION; NONDESTRUCTIVE TESTS; SOLDERS; SUPPORTS; IMAGING TECHNIQUES; INFRARED INSPECTION; LASER APPLICATIONS; RADIOGRAPHY; ULTRASONICS; X RAYS
Author : Jignesh S. Rathod
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (533 download)
Download or read book Lead-free Surface Mount Solder Joints written by Jignesh S. Rathod and published by . This book was released on 2003 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : ASM International
ISBN 13 : 9780871702852
Total Pages : 1234 pages
Book Rating : 4.7/5 (28 download)
Download or read book Electronic Materials Handbook written by and published by ASM International. This book was released on 1989-11-01 with total page 1234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1: Packaging is an authoritative reference source of practical information for the design or process engineer who must make informed day-to-day decisions about the materials and processes of microelectronic packaging. Its 117 articles offer the collective knowledge, wisdom, and judgement of 407 microelectronics packaging experts-authors, co-authors, and reviewers-representing 192 companies, universities, laboratories, and other organizations. This is the inaugural volume of ASMAs all-new ElectronicMaterials Handbook series, designed to be the Metals Handbook of electronics technology. In over 65 years of publishing the Metals Handbook, ASM has developed a unique editorial method of compiling large technical reference books. ASMAs access to leading materials technology experts enables to organize these books on an industry consensus basis. Behind every article. Is an author who is a top expert in its specific subject area. This multi-author approach ensures the best, most timely information throughout. Individually selected panels of 5 and 6 peers review each article for technical accuracy, generic point of view, and completeness.Volumes in the Electronic Materials Handbook series are multidisciplinary, to reflect industry practice applied in integrating multiple technology disciplines necessary to any program in advanced electronics. Volume 1: Packaging focusing on the middle level of the electronics technology size spectrum, offers the greatest practical value to the largest and broadest group of users. Future volumes in the series will address topics on larger (integrated electronic assemblies) and smaller (semiconductor materials and devices) size levels.
Author : Glenn R. Blackwell
Publisher : Delmar Thomson Learning
ISBN 13 :
Total Pages : 548 pages
Book Rating : 4.3/5 (91 download)
Download or read book Surface-mount Technology for PC Boards written by Glenn R. Blackwell and published by Delmar Thomson Learning. This book was released on 2006 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to generate high manufacturing yields, low testing costs, and reproducible designs using the latest components of surface mount technology (SMT)! Manufacturers, managers, engineers, students, and others who work with printed-circuit boards will find a wealth of cutting-edge information about SMT and fine pitch technology (FPT) in this new edition. Practical data and clear illustrations combine to clearly and accurately present the details of design-for-manufacturability, environmental compliance, design-for-test, and quality/reliability for today's miniaturized electronics packaging.
Author : Werner Engelmaier
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (258 download)
Download or read book Surface Mount Solder Joint Long-term Reliability written by Werner Engelmaier and published by . This book was released on 1988 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John H. Lau
Publisher : Springer Science & Business Media
ISBN 13 : 9780442002602
Total Pages : 504 pages
Book Rating : 4.0/5 (26 download)
Download or read book Solder Joint Reliability written by John H. Lau and published by Springer Science & Business Media. This book was released on 1991-05-31 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looks at how solder joint reliability is influenced by flux reactions, solder paste, reflow methods, wave soldering, and cleaning. Explores failure mechanisms and includes practical methods for testing, analysis, and life prediction of solder joints subjected to conditions of fatigue, creep, stress relaxation, shock, and vibration. For engineers and designers involved in electronics packaging. Annotation copyrighted by Book News, Inc., Portland, OR
Author : Werner Engelmaier
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (318 download)
Download or read book Designing for Surface Mount Solder Joint Reliability written by Werner Engelmaier and published by . This book was released on 1991 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohd N. Tamin
Publisher : Springer Science & Business
ISBN 13 : 3319000926
Total Pages : 179 pages
Book Rating : 4.3/5 (19 download)
Download or read book Solder Joint Reliability Assessment written by Mohd N. Tamin and published by Springer Science & Business. This book was released on 2014-04-26 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : McGraw-Hill Professional Publishing
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solder Joint Reliability of BGA, CSP, Flip Chip, and Fine Pitch SMT Assemblies written by John H. Lau and published by McGraw-Hill Professional Publishing. This book was released on 1997 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explosive growth of high-density packaging has created a tremendous impact on the electronic assembly and manufacturing industry. Ball grid array (BGA), chip-scale package (CSP), and solder-bumped flip chip technologies are taking the lead in this advanced manufacturing process. Many major equipment makers and leading electronic companies are now gearing up for these emerging and advanced packaging technologies. For these technologies, solder is the electrical and mechanical "glue," and thus solder joint reliability is one of the most critical issues in the development of these technologies. This book is a one-stop guide to the state of the art of solder joint reliability problem-solving methods, or choose a creative, high-performance, robust, and cost-effective design and high-yield manufacturing process for their interconnect systems will be able to do so with this unique sourcebook. It meets the reference needs of design, material, process, equipment, manufacturing, quality control, product assurance, reliability, component, packaging, vendor, marketing, and system engineers, and technical managers working in electronic packaging and interconnection. This book is structured to provide readers with the necessary know-how for practical, on-the-job problem-solving guidance. The book covers the solder joint reliability of BGA, CSP, flip chip, and FPT assemblies completely, proceeding from the theoretical basics to applications. Specific areas covered include: Definition of reliability, life distribution, failure rate, mean time to failure, etc.; Some well-known life distributions; Accelerated testing; Parameter estimation of life distributions; Acceleration factors for solders;Solder mechanics: plasticity, creep, and constitutive equations; Design, material, and manufacturing processes of BGA, CSP, flip chip, and FTP; Failure analysis and root cause of failure for BGA, CSP, flip chip, and FPT solder joints; Design for reliability of BGA, CSP, flip chip and FPT solder joints; Solder joint reliability of CBGA, PBGA, DBGA, and TBGA assemblies under thermal fatigue, mechanical bending and twisting, and shock and vibration conditions; solder joint reliability of flip chip (e.g., high-temperature and eutectic solder bumped flip chips on ceramic and PCB) assemblies under thermal fatigue, mechanical pulling, shearing, bending and twisting, and shock and vibration conditions; Solder joint reliability of CSP (e.g., LG Semicon's, Mitsubishi's, Motorola's, Tessera's, NEC's, nitto Denko's and Toshiba's) assemblies under thermal fatigue and mechanical bending conditions; Solder joint reliability of PQFP and TSOP assemblies under thermal fatigue, mechanical bending and twisting, and vibration conditions.
Author : R. Sengupta
Publisher : New Age International
ISBN 13 : 9788122411096
Total Pages : 122 pages
Book Rating : 4.4/5 (11 download)
Download or read book Principles of Reliable Soldering Techniques written by R. Sengupta and published by New Age International. This book was released on 1997 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soldering, Though Being An Age Old Phenomenon, Is Still Perhaps A Difficult Subject To Understand, Due To Its Interdisciplinary Nature. In This Book, Efforts Have Been Made To Describe The Physical Theories Responsible For Making A Good Joint, The Chemical Actions During Its Formation And The Electrical, Thermal And Mechanical Requirements Essential To Ensure Its Reliability. The Four M'S; Material, Machine, Method And Man, Necessary For Designing A Solder Joint Have Been Described In Detail. Further, Process Control, Solder Joint Inspection Criteria, Solder Joint Defect Analysis And Its Repair/Rework Are Also Discussed.Additionally, Brief Introductions To Surface Mount Devices (Smd) And Surface Mount Technology (Smt) Have Been Included A Annexures. The Book Will Be Useful In Industry, And To Design Production, Process Planning And Quality Control Engineers, As Well As In Engineering/Technical Colleges To Students As A Reference Book For The Present And, Hopefully, Future Modified Courses. The Academicians May Find This Book Useful For Redesigning The Present Diploma (Electronics), B.Sc. (Electronics), B.Sc. (Instrumentation), B.E. And M.E. / M.Tech (Electrical, Electronic, Instrumentation) Syllabus.
