Published: May 2026 | Reading time: ~10 min 2oz in Mils: How Thick Is 2 oz Copper on a Circuit Board? — WellCircuits 2oz in Mils: How Thick Is 2 oz Copper on a Circuit Board? 2oz in mils means a 2 oz PCB copper layer is about 2.8 mils thick , or approximately 70 microns . In PCB manufacturing, “…
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PCBA Manufacturing: A Complete Step-by-Step Process Guide (2026) | WellCircuits Well Circuits Blog Resources Contact PCBA Manufacturing: A Complete Step-by-Step Process Guide (2026) By WellCircuits Editorial | Electronics Manufacturing | May 14, 2026 | ~18 min read Table of Contents What is PCBA?…
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1. Circuit Board Engineering: Proven Insights for Reliable Design and Manufacturing A circuit board, commonly known as a Printed Circuit Board (PCB), is the backbone of modern electronics — providing mechanical support and electrical connectivity. In high-reliability manufacturing, the difference between a robust and a failing board lies in design discipline, process control, and material
Top 10 Circuit Board Design Secrets for High Performance | WellCircuits Read More »
PCB Testing ensures that every printed circuit board meets design and reliability expectations before assembly. It includes electrical, mechanical, and environmental verifications aligned with IPC and UL standards. Based on 20 years of field data from WellCircuits’ manufacturing lines, this article details real failure cases, performance metrics, and optimization strategies to help engineers design and
Discover the top causes of PCB coating failures and how to stop them fast. Improve circuit reliability—learn proven methods and start optimizing now!
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Published: March 17, 2026 | Reading time: ~21 min Expensive doesn’t automatically mean better. I’ve seen a simple two-layer FR-4 board outlive a complex flex assembly—because the application didn’t justify the complexity. The same logic applies to rigid flex PCB technology. It’s powerful, but it’s not magic. The appeal is obvious: fewer connectors, tighter packaging,
Complete Guide to rigid flex PCB Read More »
Published: March 17, 2026 | Reading time: ~21 min Engineering yield reports keep repeating the same uncomfortable number: more than half of first-pass PCB issues trace back to design decisions, not fabrication mistakes. That’s not a process problem on the factory floor. It’s an engineering problem upstream. Modern electronics aren’t forgiving. Lead-free assembly pushes reflow
What Do PCB Design Services Actually Solve for Engineers? Read More »
Published: March 17, 2026 | Reading time: ~18 min Most engineers think isopropyl alcohol fixes everything. It doesn’t. I’ve seen boards scrubbed with 99% IPA that still failed insulation resistance tests at 85% humidity. The residue looked gone. Electrically? Not so clean. Contamination on a PCB is rarely dramatic at first. A little flux, some
What’s the Right Circuit Board Cleaner for Your PCB? Read More »
Published: March 17, 2026 | Reading time: ~20 min Most engineers pick a connector by footprint first and datasheet numbers second. That’s backwards. The majority of connector failures I’ve reviewed weren’t caused by “bad parts”—they were caused by good parts used outside their real limits. A PCB connector isn’t just a plastic housing with metal
Choosing the Right PCB Connector: What Engineers Miss Read More »
Published: March 16, 2026 | Reading time: ~20 min Contamination-related failures account for roughly a quarter of field returns in humid or industrial environments. That’s not a design myth—it’s what reliability data keeps showing. And most of those failures aren’t dramatic burnouts. They’re slow corrosion, leakage currents across 0.3 mm spacing, or dendrite growth you won’t
Why pcb coating Fails (and When It’s Worth It) Read More »
