3D AOI in SMT Production: Role and Benefits 3D AOI in SMT production gives manufacturers a fast, accurate way to inspect printed circuit boards for soldering defects. AOI stands for automatic optical inspection. The system uses cameras and optical technology to scan the PCB, capture images, and compare every solder…

PCB Plating Thickness: Standards, Measurement and Design Guide Why PCB Plating Thickness Drives Reliability PCB plating thickness is the amount of metal deposited on the conductors and hole walls of a board, and it controls conductivity, mechanical strength, thermal behavior and long-term reliability. The most critical value in manufacturing is…

Flexible PCB Outline Design: Process, Tolerance and Cost Guide Why the Flexible PCB Outline Deserves Attention The flexible PCB outline is the mechanical profile of the board, and it decides whether the finished flex circuit assembles cleanly, bends reliably and survives volume production. Engineers spend most of their design effort…

Aerospace PCB Connectors: Selection and Reliability Guide Aerospace PCB connectors must survive conditions that are far more demanding than a normal commercial environment. Spacecraft, satellites, and interplanetary systems face radiation, extreme temperatures, and strong vibration during launch. The connector is a critical link between circuit boards, power systems, and mission…

High Voltage PCB Material Selection Guide for Reliable Design Why High Voltage PCB Material Choice Matters Choosing a high voltage PCB material is the first and most important step in any power electronics design, because the laminate must do far more than carry current and signals. Ordinary products operate below…

PCB Hole Wall Copper Defects and SAP Process Guide PCB hole wall copper defects such as copper particles and copper wires can appear during the fabrication of plated through-holes. These defects create rough hole walls, poor plating, opens, and reliability problems in the final PCBA. They are often caused by…

PCBA Processing Principles and DFM Checklist PCBA processing principles help engineers create boards that are easy to assemble, reliable in use, and low in manufacturing cost. A board designed without considering the assembly process may require extra processes, expensive fixtures, or unnecessary rework. Design for manufacturability turns the process requirements…

Buried Via vs Microvia: PCB Interconnect Comparison Guide Why Via Selection Matters Buried via and microvia are the two interconnect technologies that let a PCB fit more routing and better signal performance into a smaller board, and choosing between them is one of the first decisions that shapes the stack-up,…

PCBA Failure Analysis Techniques: Thermal Imaging Guide PCBA failure analysis techniques help engineers find faults quickly before a board is scrapped or a product fails in the field. A common approach uses infrared or thermal imaging to detect the heat produced by a defective component or short circuit. Because most…

SMT Stencil Production Process and Inspection Guide The SMT stencil production process starts with detailed requirements from the PCB assembly engineer and ends with a quality inspection before the stencil is shipped to the factory. A stencil controls the volume, position, and shape of solder paste deposited on every pad.…