The pcb board power supply line is the main way for electromagnetic interference to enter and exit the circuit. Printed circuit board through the power line, the outside world of interference may enter the internal circuit, affecting the performance of the RF circuit. In order to reduce electromagnetic radiation and coupling, DC-DC module side, secondary […]
The main difference between PCB vs PCA is their function and application.PCB circuit boards are used as a basic component of electronic devices, providing circuit connections and mechanical support. PCA, on the other hand, mounts electronic components onto the PCB to realize the function of the electronic device. It can be said that PCB is
Electronic Manufacturing Services (EMS) refers to the testing, manufacturing, distribution, and return/repair services of electronic components and assemblies provided to a company by an Original Equipment Manufacturer (OEM). The concept is also known as Electronics Contract Manufacturing (ECM). The EMS industry originated in the late 1970’s when most electronics manufacturing and large products were assembled
Alumina pcb is characterized by pure white substrates and are the most commonly used ceramic substrate material in the electronics industry because of their high strength and chemical stability in terms of mechanical, thermal and electrical properties compared to most other oxide ceramics, as well as the availability of raw materials from a wide range
What is a circuit board? It is also called printed circuit board and is one of the important components of the electronics industry. It is an electronic component used to support and electrically connect electronic components. Almost every electronic device, from small electronic watches and calculators to large computers, communication electronics, and military weapons systems,
Plated Through Hole (PTH) is a key process in the manufacture of printed circuit boards, the main role is to chemically deposit a thin layer of copper on the insulating substrate inside the hole, to provide a conductive layer for the subsequent plating, so as to achieve the role of the inner and outer layers
ATE (Automatic Test Equipment) testing is an automated test method for comprehensive inspection and evaluation of chips. It carries out comprehensive testing and evaluation of chips through specialized test equipment.ATE test equipment simulates various working environments and conditions by sending specific test signals to the chip to detect the chip’s function, performance, electrical characteristics and
CTI FR4 is a measure of the electrical breakdown performance of dielectric materials used in printed circuit boards, where CTI is a measure of the electrical breakdown performance of dielectric materials and FR4 is a common insulating material. CTI, Comparative Tracking Index, is a measure of the electrical breakdown performance of dielectric materials used in
A chip pcb, also known as an integrated circuit, is an electronic component that integrates multiple electronic components on a small-sized substrate. Chips are typically made from one or more types of semiconductor materials, such as silicon and gallium arsenide. Compared to circuit boards, chips are smaller in size but more powerful, enabling higher performance
Flash gold PCB refers to the metal surface of the circuit board, through electroplating or other processes, covered with a thin and uniform layer of gold. It uses a larger current with a more concentrated gold-containing liquid bath, first in the nickel layer of the performance of the formation of a layer of density of
PCB gold plating technology plays a vital role in the field of electronic manufacturing, especially in the production of circuit boards. However, in practice, the electroplating process may encounter a series of failures, these failures not only affect the production efficiency, but also may reduce product quality. Common FailuresUneven plating: In the plating process, uneven
In the electronics industry, the surface treatment of printed circuit boards (PCBs) is a critical step in ensuring stable connections between components, improving corrosion resistance, and enhancing electrical conductivity. Immersion gold and gold plating are two commonly used surface treatment methods, each of which has its own advantages and is suitable for different application scenarios.
Multilayer pcb board lamination is an electronic manufacturing technology designed to combine multiple layers of conductive and insulating materials through specific process steps to form multilayer circuit boards. AdvantagesMultilayer PCB lamination process can provide higher circuit density. Compared to traditional single-layer circuit boards, the pcbs can accommodate more electronic components and connections, allowing for more
ENIG Finish PCB is printed circuit boards (PCBs) that are finished using the ENIG (Electroless Nickel Immersion Gold) process. This process is characterized by the uniform deposition of a layer of nickel on the copper surface of the board through a chemical reaction, followed by immersion in a gold solution to form a thin, uniform
Flexible circuit connector is a special type of connector that is flexible and bendable and can adapt to different bending and twisting requirements. It is made of flexible substrate and metal conductor, which can realize efficient and stable circuit connection in a small space. Flexible circuit connectors can provide flexible and reliable circuit connections, adapt
PCB (Printed Circuit Board) is an important platform for connecting electronic components. In the process of PCB fabrication, pcb test points are certain wiring points set on the PCB for circuit testing and debugging. Test points are very important for the operation and debugging of circuits, which improves the reliability of circuits, reduces production costs,
What is reflow soldering? It is a process in which solder paste (a viscous mixture of powdered solder and flux) is used to temporarily connect one or thousands of tiny electrical components to their contact pads, and then the entire assembly is subjected to controlled heat. The solder paste reflows in a molten state to
Reflow soldering is a soldering process in which a solder joint is formed by re-melting a pre-placed solder without adding any additional solder during the soldering process. An auxiliary tool used in reflow soldering is the reflow carrier, which is an auxiliary tool used in the SMT reflow soldering process and is also known as
ENIG plating is a surface treatment process of Electroless Nickel/Immersion Gold. It chemically replaces palladium on the surface of copper and chemically plates a nickel-phosphorus alloy layer on top of the palladium core, and then plates a layer of gold on the surface of nickel through the replacement reaction. In short, ENIG plating is the
Electroless nickel immersion gold is a technology that utilizes the principle of chemical reaction to deposit a nickel alloy coating on the surface of a material under electrolyte-free conditions. This technology is widely used in the electronics, automotive and aerospace industries. Compared with the traditional electrolytic nickel plating, electroless nickel plating has the advantages of
Immersion gold technology is a process that deposits a thin layer of gold on the surface of copper through a chemical reaction. In the manufacturing process of printed circuit boards, the electrical conductivity and corrosion resistance of gold provide a key guarantee for the performance of the board. Simply put, it is the use of
Laminate PCB board is a composite material consisting of multiple layers of thin plates stacked on top of each other with good electrical conductivity, insulation, and mechanical strength. In the manufacturing process of printed circuit boards, laminate is used as a substrate to carry the functions of wiring and soldering electronic components. Its quality directly
What is copper clad laminate?It is a composite material in which copper foil is tightly bonded to an insulating material, play a key role in PCB manufacturing. First, the copper foil provides the electrical conductivity that allows electronic components to be efficiently connected through the PCB. Secondly, the insulating material provides the necessary electrical isolation,
Gold plated circuit board is a special type of circuit board plated with a layer of gold on the surface of the circuit board’s pads. The principle is that the nickel and gold (commonly known as gold salt) dissolved in a chemical solution, the circuit board will be immersed in the plating cylinder and turn
