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10 SMT007 MAGAZINE I AUGUST 2018 Tired of solder joint failures? Get your head off the pillow! Learn about opportunities and solutions provided by low-temperature soldering in I-Connect007's newest micro eBook: The Printed Circuit Assembler's Guide to… Low-Temperature Soldering. Written by Morgana Ribas and other expert authors from Alpha Assembly Solutions, this book provides an introduction to the evolution of modern low-temperature soldering, illustrates the importance of chemistry when developing low-temperature solders, and discusses advanced and emerging applications where lower melting point alloys can provide unique assembly solutions. Download your free copy today! You can also view other titles in our full library. Joe Russeau of Precision Analytical Laboratory Inc. and Mark Northrup of IEC Electronics summarized their presentation at SMTA International last year, which compares component cleanliness results from the Resistivity of Solvent Extract (ROSE) test against ion chromatography (IC) test results. In a second interview on cleaning, I spoke with Zestron's Dr. Harald Wack, during the recent opening of their facility in Taiwan. He talked about cleaning in general, the need to clean no-cleans, and the future of cleaning. Finally, Eric Camden—our newest columnist— offers the reasons to clean a no-clean flux. Surely, there are pros and cons of cleaning your PCBAs. I hope this issue of SMT007 Magazine helps to clarify whether cleaning is the best strategy for you. Stay tuned next month as we highlight some of the megatrends happening in our world today and their impact on the electronics assembly industry . SMT007 Therefore, I would say cleaning depends on the application. In mission-critical systems, contamination of boards could result in massive, even life-threatening issues later, if not dealt with early on. Reliability is a must, so cleaning the assemblies is important. These are just a few simple things I can come up with, as I am no cleaning expert. Luckily, our contributors to SMT007 Magazine this month are experts on clean. First, we have Eric Camden and Paco Solis of Foresite Inc., and Greg Smith of BlueRing Stencils discussing cleaning challenges, testing the cleanliness of boards and assemblies, their experiences with cleaning issues in PCBAs, and possible solutions. Jason Fullerton of Alpha Assembly Solutions provided an article on an investigation and comparison of the performance of no-clean liquid wave soldering fluxes using a commercially available localized extraction and cleanliness testing system, and surface insulation resistance (SIR) testing. In an interview with Kyzen's Tom Forsythe, he discusses the developments in cleaning strategies and the benefits of having a data- driven approach. Stephen Las Marias is managing editor of SMT007 Magazine. He has been a technology editor for more than 14 years covering electronics, components, and industrial automation systems. Benefits of Low-Temp Soldering: I-007eBook Now Available

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