Author: Indium Corporation
Publisher:
ISBN: 9781737023289
Category :
Languages : en
Pages :
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Book Description
Solder defects in surface-mount technology (SMT) assembly have been an issue for decades. Further, the combined challenges of Pb-free soldering and ever-increasing miniaturization have resulted in new or exacerbated defects in electronics assembly, but there are proven ways to avoid defects. Indium Corporations' Christopher Nash and Dr. Ronald C. Lasky address six top defect topics, as well as how to avoid them, including (1) voiding in bottom-termination components, (2) graping, (3) head-in-pillow and non-wet opens, (4) tombstoning of passive components, (5) insufficients, and (6) solder balling and beading. This book will be especially beneficial to PCB assemblers in improving their assembly processes and the reliability of the end-product, eliminating field failures, and reducing costs.
Author: Alpha Assembly Solutions
Publisher:
ISBN: 9780999864852
Category :
Languages : en
Pages : 64
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Book Description
Author: Koh Young America
Publisher:
ISBN: 9781737023210
Category :
Languages : en
Pages : 0
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Book Description
Brent Fischthal: Currently, surface mount technology lines are monitored by two key inspection processes. The first, SPI, reviews the printed circuit board after solder paste has been applied and before components are placed. The second, AOI, reviews the PCB assembly after the board has been assembled and reflowed (or soldered). Now technologists are also using AOI pre-reflow to ensure parts are placed correctly before they are soldered into place.Beyond their job of identifying errors and preventing incorrect boards from continuing along the line, these inspection processes provide the data needed to improve the performance of the entire line. SPI and AOI can both be used to make live line adjustments to improve quality without stopping the line, and to provide data that helps identify the root causes of failures or variances.For companies to succeed in the development of Industry 4.0-and perhaps even beyond as we drive toward manufacturing autonomy-they will need inspection solutions, and inspection partners, that can combine domain expertise in optical inspection (vision and software) with the ability to connect to larger systems and contribute to process improvement utilizing tools like artificial intelligence.
Author: MIKE JUDD
Publisher: Elsevier
ISBN: 9780080517346
Category : Technology & Engineering
Languages : en
Pages : 369
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Book Description
Managers, engineers and technicians will use this book during industrial construction of electronics assemblies, whilst students can use the book to get a grasp of the variety of methods available, together with a discussion of technical concerns. It includes over 200 illustrations, including a photographic guide to defects, and contains many line drawings, tables and flow charts to illustrate the subject of electronics assembly. Soldering in Electronics Assembly looks theoretically at everything needed in a detailed study, but in a practical manner. It examines the soldering processes in the light of electronic assembly type; solder; flux; and cleaning requirements. It has information on every available process, from the most basic hand soldering through to latest innovatory ones such as inert atmosphere wave soldering and zoned forced convection infra-red machines. The book provides a detailed analysis of solder and soldering action; purpose of flux and relevant flux types for any application; classification of assembly variants; assessment and maintenance of solderability. There is also a detailed analysis of soldering process defects and causes. In addition, Soldering in Electronics Assembly contains a new chapter on Ball Grid Array (BGA) technology. A practical guide for the industry covering all the main soldering processes currently in use Cleaning, faults, troubleshooting and standards are all major topics Considers safety and solder process quality assessment
Author: Gen3
Publisher:
ISBN: 9781959894032
Category :
Languages : en
Pages : 0
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Book Description
In this book, the authors, Dr. Chris Hunt and Graham K. Naisbitt of GEN3, examine the role of SEC test and how it is used in maintaining process control and support for objective evidence. SEC equipment and technical details are also considered, where the equipment approach and methodology of operation are evaluated. Issues, including solution choices, solution sensitivities, and test duration are explored. The effect of CO2 absorption is dealt with and how instruments correct for this. Solution density changes and temperature effects are discussed. The two configurations of "open" and "closed" loop circulation are reviewed. This book covers important elements of process control that relate to corrosion. It is important to avoid ECM, and here we have covered the initial objective evidence exercise of using SIR to verify a process, and then the maintenance of that process using SEC, as described in the PICT test. Finally, parameters of the SEC technique are reviewed, highlighting key sensitivities.
Author: Mike Judd
Publisher: Elsevier
ISBN: 1483102173
Category : Technology & Engineering
Languages : en
Pages : 300
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Book Description
Soldering in Electronics Assembly discusses several concerns in soldering of electronic assemblies. The book is comprised of nine chapters that tackle different areas in electronic assembly soldering. Chapter 1 discusses the soldering process itself, while Chapter 2 covers the electronic assemblies. Chapter 3 talks about solders and Chapter 4 deals with flux. The text also tackles the CS and SC soldering process. The cleaning of soldered assemblies, solder quality, and standards and specifications are also discussed. The book will be of great use to professionals who deal with electronic assemblies.
Author: Jasbir Bath
Publisher: John Wiley & Sons
ISBN: 1119482038
Category : Technology & Engineering
Languages : en
Pages : 512
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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: RATAN SENGUPTA
Publisher: Blue Rose Publishers
ISBN:
Category : Education
Languages : en
Pages : 103
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Book Description
Surface-mount technology (SMT) is a method for producing electronic circuits in which the components are mounted or placed directly onto the surface of printed circuit boards (PCBs). An electronic device so made is called a surface-mount device (SMD). In the industry it has largely replaced the through hole technology (THT). SMT comes into existence because our earlier version of Through Hole Manufacturing Technology (THT)were having following limitations: 1.Large in Size 2.Only one side of PCB can be used 3.Lesser functions 4.Automation of PCB Assembly restricted 5.Cross Talk becomes predominating factor at Higher Frequency, restricting evolution of Mobile Technology.
Author: P.J.W. Noble
Publisher: Springer Science & Business Media
ISBN: 1468462342
Category : Science
Languages : en
Pages : 213
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Book Description
Assembly of 'difficult' components onto printed circuit boards is emerging as an important application area for small, fast industrial robots. For other robot tasks - for example paint spraying or arc welding - the applications engineer can rely on a body of published information representing decades of accumulated knowledge about the actual process being automated. But for the process of assembly relatively little systematically presented knowledge exists, mainly because so much manual assembly depends on extremely subtle co-ordination of hand, eye and brain which is hard to represent directly in engineering terms. As for the particular processes of electronic assembly, they have hardly been covered at all in the literature. Yet the design of a good PCB automation system depends crucially on the responsible engineer fully understanding every aspect of the process he or she is automating, whether working for the electronics manufacturer, an automation company, a research laboratory or a machine builder. The author of this book has had extensive practical experience in all these roles: as a source of great detail on most aspects of the electronic assembly process it will be of unique value not only to the robot specialist but well beyond that to anyone needing to understand how printed circuit boards are manufactured. P. G. Davey Acknowledgements The author is indebted to many companies and individuals from within the pcb assembly industry.
Author:
Publisher:
ISBN:
Category : Occupations
Languages : en
Pages : 908
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Book Description
