
What are leaded and leadfree processes?
What are leaded and leadfree processes? Leaded solder typically consists primarily of tin-lead (Sn-Pb) alloys, such as the classic Sn63/Pb37 (63% tin, 37% lead), which has a low melting point

Semiconductor encapsulation process and development
The encapsulation process, also known as the packaging process, involves the secure enclosure of semiconductor chips using specific materials. This provides effective defence against environmental degradation, ensuring stable chip operation.

PCB Board Transformer Fundamentals and Practical Applications
Definition and Function of a PCB Board Transformer In modern electronics manufacturing, the term “PCB board transformer” is a common yet often misunderstood concept. It typically refers to a transformer

Differences Between Multilayer and Double-Layer PCB Board
As electronic products demand increasingly diverse functionalities, pcb board structures have grown ever more complex. Constrained by spatial limitations, PCB circuit boards have progressively “evolved” from single-layer to double-layer and

Ionic cleanliness Testing Methods and Importance for PCB Boards
Ionic cleanliness testing serves as a critical quality control measure for evaluating ionic contaminant levels on pcb boards surfaces. Its primary objective is to prevent electrical faults such as short

Characteristics and Applications of FR1 PCB
FR1 pcb is constructed from glass fiber-reinforced epoxy resin laminates. FR1 PCBs are rigid, flat materials composed of thin copper layers on a non-conductive phenolic resin substrate. FR1, fully known

Application and Advantages of PCB Laser Depaneling Technology
In electronic manufacturing, circuit boards must be divided into distinct sections to meet the design requirements of various electronic products. Traditional mechanical cutting and punching techniques struggle to satisfy modern

OSP process ensures stable PCB performance
OSP (Organic Solderability Preservative) is a surface treatment process for PCBs (Printed Circuit Boards). It involves coating the copper foil surface with an extremely thin organic protective film (approximately 0.2-0.5μm

Methods and Significance of PCB Board Ion Cleanliness Testing
Ion cleanliness typically refers to the ion cleanliness of pcb board. Residual ions from various materials during the cleaning process can compromise the functionality and reliability of electronic products. Common

The Role and Challenges of FPC in the 5G Era
What does FPC stand for? FPC stands for Flexible Printed Circuit, known in Chinese as a flexible printed circuit board, commonly abbreviated as a flexible board. FPC is a highly

PCBA Component Spacing Design
Component spacing design on PCBA represents a pivotal aspect of electronic product development, where precision directly influences circuit electrical performance, thermal efficiency, manufacturing feasibility, and the stable operation of the

Exposed Copper PCB Trends and Quality in Electronics
Definition and Basic Characteristics In the design and manufacturing of printed circuit boards (PCBs), exposed copper refers to surfaces with exposed copper, not covered by solder or solder mask. Exposed

Key Considerations in LED Light PCB Design
LED lighting products’ efficiency, energy-saving properties and extended lifespan have driven their increasing market prevalence. At the core of these products, LED light pcb design is pivotal in ensuring luminaire

Common PCB Board Defects and Countermeasures
In electronic manufacturing, PCB board quality forms the cornerstone for ensuring device performance and reliability. However, within complex production processes, multiple factors may induce various defects in PCBA, thereby compromising

Future of Automated PCB Testing Machine in Smart Electronics Production
Introduction In modern electronics manufacturing, printed circuit boards (PCBs) are considered the “heart” and “nervous system” of electronic products. From smartphones and wearables to automotive electronics, medical devices, and aerospace,

PCB Chamfering Technology Enhances Circuit Board Performance
PCB chamfering, simply put, involves bevelling the edges of printed circuit boards. This process is typically carried out after the boards have been cut, using specialised chamfering machinery or hand

PCBA contaminants and cleaning
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.

Core Value and Future Development of Etched FPC in Electronics Manufacturing
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

PCBA Ion Contamination Testing
PCBA ion contamination refers to residual charged ion contaminants left behind during the manufacturing process of PCBA (Printed Circuit Board Assembly), primarily originating from flux, chemical cleaners, air humidity, electroplating,

Classification and Design of UPS PCB
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

Flex assembly manufacturing process and quality control
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

Causes and Solutions for False PCB Exposed Copper
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

PCB Manufacturing Expenses and Optimization
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?
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