Printed Circuit Design & Fab - January 2008 - (Page 2) JANUARY 2008 • VOL. 25 • NO. 1 FEATURES Guide to the world’s best printed circuit products and services. Cover images ©iStockPhoto.com/ Andrey Prokhorov; Joshua Blake; bubaone Design by Katherine Haddox 16 PTH RELIABILITY Designing to Improve PTH Reliability Understanding the critical process steps in design, fabrication and assembly can increase the robustness of the PTH and improve reliability. by ZULKI KHAN 22 PTH RELIABILITY POINT OF VIEW 4 The Survival and Long-Term Reliability of Lead-Free PCBs A DfA program that designs and specifies PCBs compatible with lead-free soldering is often at odds with a cost driven manufacturing metric. by WERNER ENGELMAIER 27 iNEMI’S EMERGING TECHNOLOGIES OUR LINE China’s labor pains. Kathy Nargi-Toth 14 ROI The ability to identify and quickly implement technology change is often the difference between mediocrity and excellence. Research Priorities for the Electronics Industry The merger of micro and nano, chemical, and other sensors with microand nano-electronics could mean disruption ahead. by ALAN RAE, PH.D., ROBERT C. PFAHL, PH.D., and CHARLES RICHARDSON 32 PRINTED CIRCUIT DESIGN & FAB ANNUAL BUYERS GUIDE Trying to locate suppliers for your design or fabrication project? Look no further. SPECIAL SUPPLIERS SECTION A selection of design and fabrication vendors. GUIDE TO PRODUCTS AND SERVICES A comprehensive listing of design and fabrication suppliers. Search for products and services in the 2008 Online Buyers Guide: pcdandf.com/bg Peter Bigelow 20 EMC FOR THE REAL WORLD To control emissions, high-speed signals should not be routed near the edge of the ground-reference plane. 32 Dr. Bruce Archambeault 48 36 BGA BULLETIN BGA miniaturization amplifies the design challenge of balancing high-performance signal integrity with fabrication cost reduction. Charles Pfeil DEPARTMENTS 6 8 MARKET WATCH AROUND THE WORLD 12 43 HAPPENINGS OFF THE SHELF: DESIGNCON PREVIEW 44 47 MARKETPLACE AD INDEX ONLINE EXCLUSIVES pcdandf.com Visit our Web site for news, products, extra features and columns, and more. Circuits Assembly Online Halogens and Halides circuitsassembly.com DESIGNS THAT EXCEED EXPECTATIONS An interview with Chantal Holloway and Guillaume Turgeon – two of the 2007 winners of the Mentor Graphics PCB Technology Leadership Awards. A gearhead’s guide to some of the chemicals that make up our boards. by CHRYS SHEA Flux Selection for Lead-Free Wave Soldering This design of experiments clarifies the best types, best available flux within each type, and process limits for each. by DOUGLAS WATSON, JASBIR BATH and PAN WEI CHI by Kathy Nargi-Toth POSTMASTER: Send address changes to PRINTED CIRCUIT DESIGN & FAB, P.O. Box 35646, Tulsa, OK 74153-0646 http://iStockPhoto.com/ http://pcdandf.com/bg http://pcdandf.com http://circuitsassembly.com
Table of Contents Feed for the Digital Edition of Printed Circuit Design & Fab - January 2008 Printed Circuit Design & Fab - January 2008 Contents Our Line Market Watch Around the World Happenings ROI PTH Reliability: Designing to Improve PTH Reliability EMC for the Real World PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry Printed Circuit Design & Fab Annual Buyers Guide Special Suppliers Section Guide to Products and Services Off the Shelf: Designcon Preview Marketplace Ad Index BGA Bulletin Printed Circuit Design & Fab - January 2008 Printed Circuit Design & Fab - January 2008 - Printed Circuit Design & Fab - January 2008 (Page Cover1) Printed Circuit Design & Fab - January 2008 - Printed Circuit Design & Fab - January 2008 (Page Cover2) Printed Circuit Design & Fab - January 2008 - Printed Circuit Design & Fab - January 2008 (Page 1) Printed Circuit Design & Fab - January 2008 - Contents (Page 2) Printed Circuit Design & Fab - January 2008 - Contents (Page 3) Printed Circuit Design & Fab - January 2008 - Our Line (Page 4) Printed Circuit Design & Fab - January 2008 - Our Line (Page 5) Printed Circuit Design & Fab - January 2008 - Market Watch (Page 6) Printed Circuit Design & Fab - January 2008 - Market Watch (Page 7) Printed Circuit Design & Fab - January 2008 - Around the World (Page 8) Printed Circuit Design & Fab - January 2008 - Around the World (Page 9) Printed Circuit Design & Fab - January 2008 - Around the World (Page 10) Printed Circuit Design & Fab - January 2008 - Around the World (Page 11) Printed Circuit Design & Fab - January 2008 - Happenings (Page 12) Printed Circuit Design & Fab - January 2008 - Happenings (Page 13) Printed Circuit Design & Fab - January 2008 - ROI (Page 14) Printed Circuit Design & Fab - January 2008 - ROI (Page 15) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page 16) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page V1) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page V2) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page 17) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page 18) Printed Circuit Design & Fab - January 2008 - PTH Reliability: Designing to Improve PTH Reliability (Page 19) Printed Circuit Design & Fab - January 2008 - EMC for the Real World (Page 20) Printed Circuit Design & Fab - January 2008 - EMC for the Real World (Page 21) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page 22) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page 23) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page 24) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page S1) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page S2) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page S3) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page S4) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page 25) Printed Circuit Design & Fab - January 2008 - PTH Reliability: The Survival and Long-Term Reliability of Lead-Free PCBs (Page 26) Printed Circuit Design & Fab - January 2008 - iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry (Page 27) Printed Circuit Design & Fab - January 2008 - iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry (Page 28) Printed Circuit Design & Fab - January 2008 - iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry (Page 29) Printed Circuit Design & Fab - January 2008 - iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry (Page 30) Printed Circuit Design & Fab - January 2008 - iNEMI's Emerging Technologies: Research Priorities for the Electronics Industry (Page 31) Printed Circuit Design & Fab - January 2008 - Special Suppliers Section (Page 32) Printed Circuit Design & Fab - January 2008 - Special Suppliers Section (Page 33) Printed Circuit Design & Fab - January 2008 - Special Suppliers Section (Page 34) Printed Circuit Design & Fab - January 2008 - Special Suppliers Section (Page 35) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 36) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 37) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 38) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 39) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 40) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 41) Printed Circuit Design & Fab - January 2008 - Guide to Products and Services (Page 42) Printed Circuit Design & Fab - January 2008 - Off the Shelf: Designcon Preview (Page 43) Printed Circuit Design & Fab - January 2008 - Marketplace (Page 44) Printed Circuit Design & Fab - January 2008 - Marketplace (Page 45) Printed Circuit Design & Fab - January 2008 - Marketplace (Page 46) Printed Circuit Design & Fab - January 2008 - Ad Index (Page 47) Printed Circuit Design & Fab - January 2008 - BGA Bulletin (Page 48) Printed Circuit Design & Fab - January 2008 - BGA Bulletin (Page Cover3) Printed Circuit Design & Fab - January 2008 - BGA Bulletin (Page Cover4)
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