What Is a Cavity PCB? Design, Metallization and Assembly
Understand cavity PCB geometry, metallization types, manufacturing drawings and assembly constraints. Check height, thermal paths, signal integrity and inspection before production.
PCB Knowledge
Practical explanations of PCB design, fabrication, assembly and testing.
70 articles · Page 2 of 4
Halogen-Free Flex PCB Materials: Selection and Review Guide
Choose halogen-free flex PCB materials with a clear stack-up review. Check laminate, coverlay, adhesives, supplier declarations and bend requirements before release.
Embedded Resistors and Capacitors in PCBs: A Design Guide
Learn how embedded PCB resistors and capacitors work, their manufacturing trade-offs, and the stack-up, tolerance and testing checks needed before production.
PCB Fiducial Marks: Design, Placement and Panel Guidelines
Design PCB fiducial marks that vision systems can locate reliably, with practical guidance for global, panel and local marks, clearances and assembly data.
PCB Solder Mask Colors: Selection, Inspection and DFM Guide
Compare green, black, white, blue, red and other PCB solder mask colors by inspection contrast, fine-feature capability, LED reflectance, appearance and lead time.
PCB Back Drilling Guide: Via Stubs, Design Rules and DFM
Learn how PCB back drilling removes unused plated-through-hole stubs, when it helps signal integrity, and how to specify depth, diameter, clearances and inspection.
N4000-13 SI PCB Laminate: Properties and Design Guide
Understand N4000-13 and N4000-13 SI laminate properties, signal-loss behavior, thermal limits, stack-up choices and fabrication questions for high-speed PCBs.
Zero Ohm Resistor Guide: Uses, Ratings and PCB Design
Learn why zero ohm resistors are used as configurable PCB jumpers, how much resistance they really have, and how to choose current, package and layout safely.
PCB Resistor Sizing Guide: Power, Package and Reliability
Size PCB resistors correctly using resistance, continuous power, working voltage, pulse energy, temperature, tolerance and manufacturability—not package size alone.
USB Connectors for PCB: Types, Pinouts and Layout Guide
Choose the right USB connector for a PCB and avoid common footprint, mechanical, USB-C, power, ESD and high-speed routing mistakes.
ESP32 vs ESP32-S3: Differences and PCB Design Guide
Compare ESP32 and ESP32-S3 processors, memory, Bluetooth, USB, GPIO and peripherals, then translate those differences into practical PCB design decisions.
EMI Shielding Film for Flex PCBs: Design and Selection Guide
Learn how EMI shielding film works on flexible PCBs, how it is grounded, and how thickness, bending, coverage and lamination affect performance.
PCB Layer Count Guide: How Many Layers Do You Need?
Choose the right PCB layer count by evaluating routing density, return paths, power integrity, EMC, thickness, fabrication risk and future design changes.
OSP PCB Surface Finish: Benefits, Limits and Handling
Understand how OSP protects exposed copper, where it fits, its soldering and handling limits, and how to compare it with ENIG, HASL and other PCB finishes.
PCB Final Quality Control and Packaging Guide
Learn how bare PCBs are inspected, electrically tested, documented, cleaned, packed and stored before shipment, with a practical supplier checklist.
PCB Testing Guide: Everything You Need to Know
PCB Testing Guide: Everything You Need to Know explained with updated design guidance, manufacturing tradeoffs, common defects, inspection points and practical PCB checks.
What is PCB in AC?
What is PCB in AC explained with updated design guidance, manufacturing tradeoffs, common defects, inspection points and practical PCB checks.
What Is an SMT Line? An Ultimate Guide
What Is an SMT Line? An Ultimate Guide explained with updated design guidance, manufacturing tradeoffs, common defects, inspection points and practical PCB checks.
What Is Solder Bridge? An Ultimate Guide
What Is Solder Bridge? An Ultimate Guide explained with updated design guidance, manufacturing tradeoffs, common defects, inspection points and practical PCB checks.
What Is Solder Flux? A Comprehensive Guide
What Is Solder Flux? A Comprehensive Guide explained with updated design guidance, manufacturing tradeoffs, common defects, inspection points and practical PCB checks.