The definition of PCBA contaminants refers to any surface deposits, impurities, inclusions, or adsorbed substances that reduce the chemical, physical, or electrical performance of the PCBA to an unacceptable level.

Introduction In modern electronics manufacturing, flexible printed circuits (FPCs) have become a key technology for connecting miniaturized, high-performance electronic systems. As electronic products continue to evolve toward thinner, smarter, and

UPS PCB, short for uninterruptible power supply printed circuit board, is the core control board of the UPS system. It is primarily responsible for providing emergency power to equipment when

Introduction – The Importance of Flex Assembly and Industry Background As electronic products continue to evolve towards thinner, more compact, and higher-performance designs, traditional rigid PCBs are no longer able

After the PCB circuitry is etched, a layer of ink (green ink, blue ink, black ink, etc.) needs to be applied. However, ink is liquid and has flowability. During the

In today’s highly integrated electronic product era, circuit boards serve as core components, and pcb manufacturing costs directly impact the market competitiveness of the final product. Accurately understanding the composition

What is a presensitized PCB board?A presensitized pcb board is a special type of printed circuit board with a photosensitive surface. It supports photolithography technology and can be adjusted using

PCB board serves as the core components of electronic products, and their quality directly impacts the performance and reliability of the final product. With the rapid advancement of electronic technology,

Introduction and Definition of Soldering WireIn modern electronics manufacturing, metalworking, and various electrical assembly processes, soldering is a crucial process for connecting components and conductors. Among the many soldering materials,

EMI radiation consists of electric and magnetic fields, which disrupt the normal operation of electronic devices. These electromagnetic waves propagate within electronic devices and interfere with electrical components, with their

The pcb grounding plane on a PCB is typically a large metal area connected to the circuit ground. This metal area may only occupy a small portion of the board

Introduction – Why Pay Attention to the Health of Your Aquarite Control Board In swimming pool water quality management, automated salt chlorination systems are widely adopted for their efficiency, environmental

A PCB board layer typically refers to the number of conductive layers within a printed circuit board (PCB). These conductive layers are made of copper foil and are a critical

Conductive via holes, also known as through holes, pcb via must be filled to meet customer requirements. After extensive testing, the traditional aluminium plate filling process has been replaced with

PCB pad is a critical component of printed circuit boards, serving as the interface between electronic components and the circuit board for establishing electrical connections and mechanical support. The quality

The pcb aspect ratio, which is the ratio of the length to the width of the circuit board, is a critical parameter in electronic design. The aspect ratio refers to

Introduction – Understanding Round PCBs In modern electronic product design, PCBs (Printed Circuit Boards) have evolved from their original simple rectangular form to encompass a variety of shapes and structures.

Electroplating via filling is a key technology in the field of modern high-density electronic packaging. It not only greatly enhances the design flexibility and performance of PCB boards, but also

RF pcbs are core components in electronic devices, and their performance stability directly affects the overall operational effectiveness of the device. However, in complex electromagnetic environments, RF circuit boards are

IntroductionAs electronic devices increasingly move toward higher density, higher performance, and smaller form factors, the manufacturing requirements for printed circuit boards (PCBs) are also increasing. As the foundation of electronic