Synopsis
This text covers ball grid array (BGA) design and manufacturing. BGA is a relatively new way of connecting leads from an integrated circuit package to a printed circuit board, allowing a higher pin count and function density than other connection methods and giving the lowest signal delay. These features make it an important component of modern high performance systems, but the density of leads makes manufacturing and process control very difficult.
About the Author
John H. Lau received his Ph.D. degree in Theoretical and Applied Mechanics from the University of Illinois (1977), a M.A.Sc. degree in Structural Engineering from the University of British Columbia (1973), a second M.S. degree in Engineering Physics from the University of Wisconsin (1974), and a third M.S. degree in Management Science from Fairleigh Dickinson University (1981). He also has a B.E. degree in Civil Engineering from National Taiwan University (1970). John is an interconnection technology scientist at Agilent Technologies, Inc. His current interests cover a broad range of electronic and optoelectronic packaging and manufacturing technology. Prior to Agilent, he worked for Express Packaging Systems, Hewlett-Packard Company, Sandia National Laboratory, Bechtel Power Corporation, and Exxon Production and Research Company. With more than 30 years of R&D and manufacturing experience in the electronics, petroleum, nuclear, and defense industries, he has given over 200 workshops, authored and co-authored over 180 peer reviewed technical publications, and is the author and editor of 13 books: Solder Joint Reliability; Handbook of Tape Automated Bonding; Thermal Stress and Strain in Microelectronics Packaging; The Mechanics of Solder Alloy Interconnects; Handbook of Fine Pitch Surface Mount Technology; Chip On Board Technologies for Multichip Modules; Ball Grid Array Technology; Flip Chip Technologies; Solder Joint Reliability of BGA, CSP, Flip Chip, and Fine Pitch SMT Assemblies; Electronics Packaging: Design, Materials, Process, and Reliability; Chip Scale Package (CSP): Design, Materials, Process, Reliability, and Applications; Low Cost Flip Chip Technologies for DCA, WLCSP, and PBGA Assemblies, and Microvias for Low Cost, High Density Interconnects. John served as one of the associate editors of the IEEE Transactions on Components, Packaging, and Manufacturing Technology and ASME Transactions, Journal of Electronic Packaging. He also served as general chairman, program chairman, and session chairman, and invited speaker of several IEEE, ASME, ASM, MRS, IMAPS, SEMI, and SMI International conferences. He received a few awards from ASME and IEEE for best papers and outstanding technical achievements, and is an ASME Fellow and an IEEE Fellow. He is listed in American Men and Women of Science and Whos Who in America.
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