PCB Creepage Distance Design Principles for Safer Layouts
Learn practical PCB creepage distance design principles, including surface spacing, contamination risk, voltage separation, slots, coating, and standards review.
Analysis of development advantage of horizontal electroplating
The development of horizontal electroplating technology is not accidental, but high density, high precision, multi-function, high aspect ratio multilayer printed circuit board products special function needs, is an inevitable result. Its advantage is that it is more advanced than the vertical hanging plating process method now adopted, the product quality is more reliable, can achieve … Continued
PCB Design Knowledge: Core Checks Before Fabrication
Review essential PCB design knowledge before fabrication, including schematic checks, layout rules, stackup, power integrity, manufacturability, and documentation.
How much do you know about HDI blind buried via PCB?
What is HDI PCB (HDI blind buried via PCB)? Why is there a separate category called HDI in the PCB technology category? HDI is designed to provide a lot of interconnect in a very small space. Components are placed closely on the board, which helps reduce size, but functions like a larger board. HDI PCB … Continued
PCB Hole Wall Voids: Causes, Risks, and Countermeasures
Understand PCB hole wall voids, why plating cavities are risky, common process causes, inspection methods, and practical countermeasures.
Why High-Layer PCB Boards Are More Difficult to Manufacture
Learn why high-layer PCB boards are harder to manufacture, including stackup control, lamination, drilling, registration, plating, impedance, and inspection challenges.
Maintenance circuit board technology essence
Fault characteristics and maintenance of capacitor damage of industrial control circuit board The failure caused by capacitor damage is the highest in electronic equipment, especially electrolytic capacitor damage is the most common. Capacitors play different roles in circuits and cause different faults. In the industrial control circuit board, the digital circuit accounts for the vast … Continued
Design Basics of Printed circuit board
Printed circuit board, PCB will appear in almost every electronic device. If there are electronic parts in a device, they are all mounted on PCBs of various sizes. The main function of the PCB is to provide the mutual electrical connection of the various parts above. As electronic devices become more and more complex, more … Continued
Why to “paste gold” on PCB board
PCB board surface treatment Oxidation resistance, tin spraying, lead-free tin spraying, gold sinking, tin sinking, silver sinking, hard gold plating, whole plate gold plating, gold finger, nickel palladium OSP: lower cost, good solderability, harsh storage conditions, short time, environmental protection process, good welding, smooth.Tin: Tinjet board is usually a multi-layer (4-46 layer) high-precision PCB sample, … Continued
What is the principle of PCB?
Printed circuit boards are basically present in electronic devices also known as printed circuit boards. This green circuit board made of precious metal connects all the electrical parts of the device so that it functions properly. Without a PCB, an electronic device cannot work. A PCB schematic is a simple two-dimensional circuit design that shows … Continued
PCB Design Process: From Requirements to Production Files
Follow a practical PCB design process from requirements and schematic review to layout, DFM checks, Gerber files, BOM review, and production release.
Solution of pinhole coating caused by improper pretreatment of electroplating
In the PCB electroplating process, there is often a bad phenomenon of spraying paint on the coating, which is due to oil pollution on the surface after electroplating, resulting in poor adhesion. However, when electroplating parts, there are often pinholes after plating. Today, sayfu talk about pinholes and treatment solutions caused by improper pretreatment. FAQ … Continued