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Current IssueInventing the Future with SEL
Two years after launching its state-of-the-art PCB facility, SEL shares lessons in vision, execution, and innovation, plus insights from industry icons and technology leaders shaping the future of PCB fabrication.
Sales: From Pitch to PO
From the first cold call to finally receiving that first purchase order, the July PCB007 Magazine breaks down some critical parts of the sales stack. To up your sales game, read on!
The Hole Truth: Via Integrity in an HDI World
From the drilled hole to registration across multiple sequential lamination cycles, to the quality of your copper plating, via reliability in an HDI world is becoming an ever-greater challenge. This month we look at “The Hole Truth,” from creating the “perfect” via to how you can assure via quality and reliability, the first time, every time.
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Calumet Electronics Helps Combat COVID-19
March 27, 2020 | Calumet ElectronicsEstimated reading time: 1 minute

Printed circuit board supplier Calumet Electronics has joined the battle against COVID-19 by helping to produce boards for much needed ventilators to help treat patients infected with the disease. With a repercussion of the worldwide COVID-19 pandemic being a slowing of offshore delivery, it’s vital that domestic manufacturers step up to help in the fight.
Familiar with the industry, Calumet already produces more than 500,000 printed circuit boards every year for American OEMs that provide devices to the medical industry.
Todd Brassard, VP and chief operating officer stated, “A company who produces breathing machine equipment, placed a large order with us for ventilators needed at the front lines COVID-19 battle. We will prioritize and deliver these types of orders ASAP. Our committed employees, technologies and 50 years of experience, positions Calumet to deliver reliable parts that will work without fail in these ventilators.”
Calumet is following all recommendations of state and federal officials in order to keep their employees safe while they produce parts for the critically needed devices.
ESSENTIAL BUSINESS UPDATE – MICHIGAN COVID19 EXECUTIVE ORDER NO. 2020-21:
Calumet Electronics is recognized by the State of Michigan as an essential business. The company will continue to operate and supply printed circuit boards to vital infrastructure industries. Calumet is manufacturing PCBs for critical uses in life saving medical equipment, critical power grid infrastructure, and defense. Please support our workers who are manufacturing critical products during this time of uncertainty.
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Inventing the Future: An Interview with Dr. Ed Schweitzer
08/20/2025 | Barry Matties, I-Connect007Dr. Edmund O. Schweitzer III, founder of Schweitzer Engineering Laboratories (SEL), has a corner office in the company’s world headquarters in Pullman, Washington. Forty-two years after his SEL-21—the first microprocessor-based digital protective relay—ushered in a new era of power-system protection, he has forever changed the way the world safeguards its electric grids. In this three-hour conversation, Dr. Schweitzer reveals that he remains excited to get to work each day, unpacking the “better, cheaper, faster, simpler” mantra that’s still driving SEL’s innovation, and the culture glue that keeps more than 7,000 employee-owners rowing in unison.
Amphenol to Acquire Trexon
08/19/2025 | BUSINESS WIREAmphenol Corporation announced a definitive agreement to acquire Trexon for approximately $1 billion in cash, subject to customary post-closing adjustments.
Happy’s Tech Talk #42: Applying Density Equations to UHDI Design
08/19/2025 | Happy Holden -- Column: Happy’s Tech TalkWith the need for faster speeds, more parts on an assembly, and the trend to make things smaller for portability, the printed circuit design and layout process is both creative and challenging. The process involves “applying the density equation” while considering certain boundary conditions, such as electrical and thermal performance. Unfortunately, many designers don’t realize there is a mathematical process to laying out a printed circuit.
August 2025 PCB Magazine: Inventing the Future With SEL
08/18/2025 | I-Connect007 Editorial TeamTwo years after launching its state-of-the-art PCB facility, Schweitzer Engineering Laboratories shares lessons in vision, execution, and innovation, plus insights from industry icons and technology leaders shaping the future of PCB fabrication. The August 2025 issue of PCB007 Magazine takes you inside the facility to hear from its founder, Dr. Ed Schweitzer, its manufacturing team leaders, and several of the supplier vendors that make this a cutting-edge fabrication plant.
Flexible Circuit Technologies to Host Free Flex Heater Webinar
08/18/2025 | Flexible Circuit TechnologiesGlobal Supplier of flexible circuits, flex design services, and assembly/box-build services, Flexible Circuit Technology will host their latest webinar, "Thermal Precision Meets Flexibility: The Technology Behind Heater Circuits" on Tuesday, August 26th, 2025 at 11 AM EDT.