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Rob Cooke, director of engineering at Calumet Electronics, discusses his role in the Open Source Ventilator (OSV) project that yielded ventilator PCBs in record time. He and project partners, Dugan Karnazes of Velocity Research and Chris Denney of Worthington Assembly, recounted this story during a panel at the virtual AltiumLive.

Lightning Speed Laminates: Why High-Frequency Materials Have Different Dk Values

October 20, 2020 | John Coonrod, Rogers Corporation

When an engineer researches high-frequency circuit materials, they will notice there are many offerings of what appears to be the same material type but with different Dk values. One might ask, “Why are so many different Dk values desired?” The answer is not straightforward, but there are very good reasons for these different materials. This column will give a quick overview of the need for these materials with different Dk values, as related to different high-frequency applications.





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Selecting the correct material is critical if you want your circuit board to survive the assembly process or come out of the assembly process in good condition. Jeffrey Beauchamp explains the four main characteristics from the...

Lean Digital Thread: DFM Is Now as Easy as Spellcheck

September 30, 2020 | Sagi Reuven, Siemens Digital Industries

In past columns, Sagi Reuven has written about topics mostly related to the shop floor. In this column, he talks about design for manufacturing (DFM). It is clear to everyone in the Industry 4.0 era that the holy grail is to close the...

Time to Market: 12 Characteristics of NPI Suppliers

September 24, 2020 | Imran Valiani, RUSH PCB Inc.

When trying to get a new product to market, time can be the most important factor when it comes to its future success or failure. Imran Valiani details 12 characteristics you should look for when choosing and developing a long-term...

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