Surface Mount Technology is not a technology of tommorrow but a technology of today. It provides a quantum jump in the packaging tech nology to produce state-of-the-art miniaturized electronic products. How ever, in order to take advantage of this technology, a complete infrastruc ture must be put in place. This requires considerable investment in human and capital resources. Intel corporation has made these investments to keep its customers for components and systems on the leading edge of technology. Based on the experience of putting this infrastructure in place for system products, this book is written for managers who need to manage the risk during its implementation, and the practicing engineers who need to improve the design and manufacturing processes for improved yield and cost reduction. To accomplish this task, I have not only culled the infor mation from published materials, but have also depended on input from both my colleagues in Intel and such outside organizations as the Institute of interconnecting and Packaging electronic Circuits (IPC) , the Electronics Industries Association (EIA), and the Surface Mount Council. But the underlying basis for this book has been my first-hand experience in im plementing this technology for Intel Systems Group and my experience at Boeing, my previous employer. In a fast-changing technology like SMT, it is very easy to have obsolete information even before the book is published. For this reason, I have concentrated on the basic principles and practice of the technology.

Surface Mount Technology has had a profound influence on the electronics industry, and has led to the use of new materials, techniques and manufacturing processes. Since the first edition of this book was written, electronic assemblies have continued to become still smaller and more complex, while soldering still remains the dominant connecting technique. This is a comprehensive guide to current methods of soldering components to their substrates, written by one of the founding fathers of the technology. It also covers component placement, the post-CFC technology of cleaning after soldering, and the principles and methods of quality control and rework. New sections deal with Ball-Grid-Array (BGA) technology, lead-free solders, no-clean fluxes, and the current standard specifications for solders and fluxes. Dr Rudolf Strauss has spent most of his working life with a leading manufacturer of solders and fluxes. He was responsible for a number of innovations including the concept of wave soldering, and for many years has been active as lecturer, consultant, and technical author. His book explains the principles of soldering and surface mount technology in practical terms and plain language, free from jargon. It is addressed to the man, or woman, who has to do the job, but it will also be of help in planning manufacturing strategy and in making purchasing decisions relating to consumables and equipment. Written by founding father of SMT technology Standard specifications have been fully updated New chapter covering Ball Grid Array (BGA) technology

Surface mount technology (SMT) is a mature technology. SMT allows placement of more surface mount components (SMC) into smaller and tighter printed circuit board (PCB) areas. This increased density means increased performance and power in smaller packaging systems, and allows manufacturing of smaller and higher performance products at lower cost. The advance of integrated circuit (IC) technology and the requirements of high density for high-speed circuity is driving the design of SM C to higher pin count and smaller package size. In general, the higher pin count and smaller package size are accomplished by reducing the bond pad size and spacing (pitch) on the chip level and the lead/pin/solder dimensions and pitch on the chip carrier (module) level. The last few years have witnessed an explosive growth in the research and development efforts devoted to FPT as a direct result of the rapid growth of SMT and miniaturization. Some examples are: hand held lightweight video recorders that can take sharp pictures, hand held lightweight devices that can track the worldwide package movements, and portable computers with tiny yet powerful microprocessors and large memory capability that can fit into a briefcase or into the palm of your hand.

Soldering Handbook for Printed Circuits and Surface Mounting, Second Edition, covers every aspect of this packaging technology, and contains the latest information on design, presolder operations, materials, equipment, surface mount technology, cleaning, quality and inspection, touch-up and repair, process economy, line management, and more.