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Trouble in Your Tank: Interconnect Defect—The Three Degrees of Separation

10/01/2024 | Michael Carano -- Column: Trouble in Your Tank
It has been well documented that, with a very expensive and complex printed circuit board, thermal and mechanical excursions often find weaknesses. A lack of robustness and poor process control often leads to the exploitation of those weaknesses. An interconnect defect (ICD) often goes undetected until the printed circuit board reaches the final assembly stage or undergoes multiple thermal cycles, including interconnect stress tests or thermal shock. It is impossible to rework the ICD defect. But unlike voids, if detected in time, the panels can be reprocessed.

Standard of Excellence: The Advantages of Working With Small PCB Businesses

09/10/2024 | Anaya Vardya -- Column: Standard of Excellence
For several large companies, especially those in the mil-aero industries, there are distinct and critical advantages to buying from officially designated small businesses. The official definition of a small business is one with fewer than 750 employees. For unclear reasons, some companies have been less focused on these advantages than they used to be, so I thought it would be helpful to remind people of the advantages of working with these small businesses.

Hidden (and Obvious) Design Mishaps With Big Cost Impacts

08/14/2024 | Jen Kolar, Monsoon Solutions
At Monsoon Solutions, we provide PCB layout services for the full lifecycle of products, from one-off prototypes to items manufactured in production volume. We also manage manufacturing and assembly for prototype and smaller production runs for both customer-produced and in-house layouts. As a result, we see various manufacturing data packages and work with many different manufacturers. I asked our PCB design engineers and program managers to share the cost adders and cost savers that designers can affect, and it was interesting to see that in addition to more technical responses, some of the biggest culprits were rather simple.

Global Citizenship: The Nexus of Chinese and American Business Relations

08/14/2024 | Tom Yang -- Column: Global Citizenship
Many people I talk to feel there are very few similarities between how Americans and Chinese do business. However, I believe that’s not true. That’s why I researched the similarities between our cultures for this second column on global citizenship. Remember, it was American companies that taught China how to manufacture circuit boards. Our factories have your fingerprints all over them. So, it should come as no surprise that Chinese and American business practices—while shaped by distinct cultural, historical, and socio-economic factors—nevertheless share several similarities. We still mostly use Western-made equipment and follow IPC standards developed in North America and Europe.

The Shaughnessy Report: Watch Out for Cost Adders

08/12/2024 | Andy Shaughnessy -- Column: The Shaughnessy Report
I’ve owned a few snakes in my lifetime. In my high school biology class, for example, I took care our black rat snake for a few weeks. He escaped once, which they all eventually do, and climbed up inside our furnace. My next snake was a nine-foot yellow-tailed python. He suffered an ignominious end when he was killed by the giant rat who was supposed to be his dinner. In my 20s, I had a hognose snake that also escaped, and I never did find him.
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