Quest for Reliability: SMTAI 2019 Thoughts

I have been going to SMTAI for nearly two decades and still find it to be a very valuable conference. Long ago, I went with the purpose of taking in the educational sessions; I had a lot to learn, and I still do. After a few years, I moved to the front of the room, doling out my experience and hands-on knowledge related to failure analysis as well as lessons learned, hoping that others would become aware of what might be news to them.

All along, I was becoming more involved with the IPC task groups that help shape the documents many companies use for assembling processes—some of the exact processes we were there to learn more about. Working in an FA and process qualification laboratory, specifications are very relevant to our customers, and we need to in the know be as much as we can. When IPC and SMTA came together with a co-located conference, it was a great opportunity for me as more of a one-stop shop. As I became more involved with the IPC task groups, I had less time to take in the educational sessions.

This year, IPC made the decision to no longer co-locate their fall meetings with SMTAI; instead, they held a standalone task group meeting in June. This opened my schedule for the entirety of SMTAI and, most importantly, allowed me time for the sessions. I attended sessions that I hadn’t in years, and I even managed to learn a thing or two. There is never a shortage of great topics and very knowledgeable speakers, and the handful of obvious sales pitches that were cleverly, or not so cleverly, masked as educational opportunities.

I also made my annual sojourn to the convention floor to look at all of the newest assembly equipment bells and whistles, which there are always plenty of, and see some old friends who I only see at these types of gatherings. Before I headed to Rosemont, I was a little skeptical if it would be worth it for me, considering the lack of task groups that had become my SMTAI/IPC APEX EXPO focus. But after three days of sessions (and a somewhat impressive third-place showing at the SMTA trivia night), I was reminded of why I went to SMTAI in the first place: to learn about the newest technology and how to address age-old problems that are ever-evolving in this era of miniaturization.

Eric Camden is a lead investigator at Foresite Inc.

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2019

Quest for Reliability: SMTAI 2019 Thoughts

10-16-2019

Before I headed to Rosemont, I was a little skeptical if it would be worth it for me, considering the lack of task groups that had become my SMTAI/IPC APEX EXPO focus. But after three days of sessions (and a somewhat impressive third-place showing at the SMTA trivia night), I was reminded of why I went to SMTAI in the first place: to learn about the newest technology and how to address age-old problems that are ever-evolving in this era of miniaturization.

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Sealing Your Fate

08-16-2019

Coating does not always prevent failures; it is just as important to look at your cleanliness levels just as you would with an assembly that is not bound for coating. If you have a dirty assembly, you might be buying a little time, but ultimately, you've sealed your own fate.

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Quest for Reliability: The F Word

07-19-2019

The word "failure" is as nasty as it gets in our world. It goes against everything we thought we knew. All contract manufacturing facilities strive to build a reliable product, or at least they all should. The problem is too many companies hope they are building reliable products without doing the work required to ensure they are.

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Quest for Reliability: These Darn Kids/Back in My Day

04-24-2019

This month’s topic is focused on youth, both in terms of humans and technologies. I think these two topics go together since they rely on each other to a large degree. The latter has more than likely shaped or even invented by the former.

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How Smart Is Your Factory?

04-03-2019

When you plan a production facility with the mindset that connectivity and optimization will be key aspects of your operation, it will pay dividends in the form of lower production cost, better traceability, and higher reliability.

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The Cost of Quality and the Higher Cost of Failure

03-13-2019

If you are shopping a new product around to multiple contract manufacturers (CMs), and if all other things in two separate CMs are equal including price and delivery times but one offers a more comprehensive ongoing quality monitoring system, why wouldn't you go with that one? You usually pay some type of premium for the CM that has an overall quality monitoring system that goes beyond just ICT or bench level testing. Definitely, most CMs will give you some sort of assurance that the product is working as it leaves the facility, but if one has a mindset that more than basic testing is required to show reliability, you will more than likely have fewer field failures.

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The Effect of Thermal Profiles on Cleanliness and Electrical Performance

02-21-2019

The process of thermal profiling is one of the most important considerations when setting assembly parameters in reflow soldering. Knowing how to effectively profile includes choosing the proper equipment, understanding the results and being able to adjust as necessary.

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How to Achieve the Apex of Reliability

01-02-2019

Knowing the effect of residual ionic content is among the most important data points when looking at reliability because it is directly related to electrical leakage and electrochemical migration-related issues in a normal field service environment. This column discusses the test methods mostly related to cleanliness and different ways to determine if the process is clean enough for the intended end-use environment.

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2018

Does Medical Device Reliability Worry You Sick?

12-06-2018

When you are manufacturing high-reliability assemblies related to medical industry, it is critical to take a very close look at the assembly process and all other processes that can influence the end-use reliability—even seemingly unrelated processes, such as post-installation cleaning—as it really could be a matter of life or death.

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Are You Connected to Reliability?

10-30-2018

The need for communication between every operator on the manufacturing floor can be a critical difference between a reliable piece of hardware and one that presents some level of unexpected performance. This column highlights a few things happening in the shop floor, such as as touch-up soldering and third shift issue, not commonly communicated, which can cause performance issues.

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Are Megatrends Putting Your Product at Megarisk?

10-03-2018

It took 38 years for radio to get 50 million users, television made it in 13 years, Internet in four, iPod in three, and Facebook in only two years. What these numbers mean to our industry is the need to create electronics at blazing speeds that we haven’t seen before. But how will it affect reliability? Read on.

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Cleaning a No-clean Flux: The Worst Decision You’ve Ever Made?

09-04-2018

There are a few reasons to choose to clean a no-clean flux, such as when the PCB assembly requires conformal coating, or when probes are required for testing. Other than that, there seems to be no need to clean a no-clean flux. This column tells you more.

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Contamination: The Enemy of Electronics

07-18-2018

Welcome to the first installation of “Quest for Reliability.” The goal behind this column is to use my experience at an independent laboratory for over 18 years to help readers understand PCBA reliability issues, and more importantly, prevent suspect conditions in the first place. The laboratory I work in has served every sector of the electronics industry, from oil and gas equipment designed to function miles below the surface of the earth, to aerospace companies and everywhere in between.

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