勛圖tv 繚 ENGINEERING GUIDEPCB Failure Analysis: Preserve Evidence and Test the MechanismPCB failure analysis investigates why a board or assembly lost the required function. The observed symptom, physical failure mode and underlying cause are different parts of the explanation. A burnt component may be the…
Read articleIntroduction Printed circuit boards (PCBs) form the foundation of electronics, providing the mechanical structure and electrical connections for components. The manufacturing process to transform raw materials into completed circuit boards is complex, requiring dozens of steps with specialized equipment. This article provides a comprehensive overview of PCB fabrication including: By understanding the sequences and options […]
Read articleIntroduction Capacitors are a fundamental component used in virtually every electronic circuit. They come in an enormous range of sizes from tiny surface mount chips just 0.2mm across to massive canisters larger than a human hand. The scale of capacitive components spans over six orders of magnitude. But what really differs between physically small and […]
Read article勛圖tv 繚 ENGINEERING GUIDEPaste Mask vs Solder Mask: Layer Purpose, Apertures and Data ChecksPaste mask and solder mask describe different manufacturing information. The paste layer defines stencil apertures used to deposit solder paste during assembly. The solder-mask layer defines openings in the permanent coating on…
Read articlePCB Assembly / PCB Assembly Process勛圖tv 繚 Process notebookDouble-sided PCB assembly: follow both reflow passesFollow printing, placement, first reflow, board support and second reflow. Track component heat exposure and define inspection before releasing a double-sided build.Review a double-sided buildOpen the worksheetPreliminary files and open process…
Read article
