July 2019 Issue of SMT007 Magazine Out Now


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It should come as no surprise that solder and solder joints are often at the center of attention in electronics assembly when discussing failures and reliability. Enter "Reliability Man," the hero who must persevere against all the challenges thrown in his path. Find out in the July 2019 issue of SMT007 Magazine.

This month’s issue of SMT007 Magazine is now on the virtual newsstand, and available for delivery in your e-mailbox by subscribing here.

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Suggested Items

Comparing Soldering Results of ENIG and EPIG Post-steam Exposure

09/11/2019 | Jon Bengston and Richard DePoto, Uyemura International USA
Electroless nickel immersion gold (ENIG) is now a well-regarded finish used to enhance and preserve the solderability of copper circuits. Electroless palladium immersion gold (EPIG), meanwhile, is a new surface finish also for enhancing and preserving solderability—but with the advantage of eliminating electroless nickel from the deposit layer. This feature has become increasingly important with the increasing use of high-frequency PCB designs whereby nickel’s magnetic properties are detrimental.

Solder Mask Evolves into a Truly Additive Process

09/09/2019 | John Fix, Taiyo America Inc.
The 5G era is creating quite a bit of work for many PCB engineers as the materials required to keep up with the speed, frequency, and latency requirements need to be defined and qualified. Solder mask, for example, now becomes a truly additive process. Read on to find out how and why.

Selecting the Proper Flex Coverlayer Material

09/06/2019 | Dave Lackey, American Standard Circuits
Coverlayers are polymer materials used to cover and protect the copper traces of the flex circuit product. There are a number of different options available for protecting the circuits, and they serve different design requirements in terms of cost, performance, and flexural endurance optimization. When specifying the choice, it is critical to call out not just the type of coverlayer material but also the thickness requirement. This can be very important in certain types of constructions, especially when a flex circuit will experience dynamic flexing during use.



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