Copper in PCB, also known as PCB Copper Overlay, is an area of a PCB layer that is filled with copper. The layer can be the top, bottom, or any interior of the PCB stack, and PCB copper cladding can be used as a ground, reference, or to isolate specific components or circuits from the […]
What is annealing in semiconductor?Annealing semiconductor is a process that changes the electrical properties of a semiconductor material by heating it.During the annealing process, the material is heated to a high enough temperature to change its internal structure, which in turn changes the conductivity of the semiconductor. The principle of the annealing semiconductor process is
What is a transistor? It is a semiconductor device used to amplify or switch electronic signals and electricity, which consists of semiconductor material that usually consists of at least three pins for connecting to external circuits, and is an important electronic component in PCBA boards. They are mainly divided into two categories: bipolar junction transistors
Preheating pcb is used to preheat circuit boards that need to be repaired to minimize thermal damage, reduce heat demand on soldering tools, and thus speed up rework. How to use the preheating pcb What do I need to pay attention to after using the heating pcb? Preheating is a very important step in PCBA
A main pcb assy, often referred to as a collection of various electronic components and connectors that make up a motherboard (also known as a motherboard, system board, or flat board). The motherboard is the core component in a computer or other electronic device, responsible for connecting and supporting other hardware devices. Critical components of
Parasitic means that the capacitance was not originally designed in that place, but since there is always mutual capacitance between the wiring, the mutual capacitance is as if it is parasitic between the wiring, so it is called parasitic capacitance, also known as stray capacitance. Parasitic components are additional components created by the electronics in
VIPPO (Via in Pad Plated over) is an over-hole technology, mainly used in PCB boards.POFV is Plating Over Filled Via abbreviation, refers to the PCB on the over-electrical holes, in order to meet the needs of the soldering and over-hole internal conduction, the first over-hole resin plugging holes, and then copper-plated to cover the holes
Glass PCB board is a new type of circuit board material, mainly using a mixture of glass fiber and epoxy resin, with high strength, high temperature resistance, flame retardant and other excellent characteristics. Compared with traditional FR-4 material PCB, glass PCB board has better performance and is widely used in high-end electronic products, such as
In the rapidly evolving field of electronics, flexible printed wiring boards (FPCB) represent a groundbreaking advancement in the design and functionality of electronic devices. These boards, which combine flexibility with electronic circuitry, have become crucial in modern technology due to their unique properties. This article explores the comprehensive details of flexible printed wiring boards, including
Energy Management Board is a device used for managing and controlling power supplies, also known as a power controller, which provides control over the current required by all components in the power supply. The power output, current, and voltage stability of the power supply are directly affected by the Energy Management Board. The Energy Management
In the field of printed circuit boards (PCBs), HASL PCB finish (Hot Air Solder Leveling) is a widely used method. This article provides an in-depth look at HASL PCB finish, including its process, advantages, challenges, and applications. By comparing HASL with other PCB finishes, we aim to offer a thorough understanding of where HASL stands
In the face of complex electronic systems, how to troubleshoot electronic circuit boards has become a key skill that every electronic engineer and enthusiast must master. As the heart of the electronic equipment, any small failure of the electronic circuit board may have a significant impact on the entire system. Therefore, it is crucial to
Soldering wetting is the process by which molten solder forms a uniform, smooth, continuous and firmly attached alloy on the surface of the metal to be welded during the welding process. Surface wetting is the phenomenon whereby the molten solder spreads out and covers the surface of the metal to be welded during the welding
What is in a circuit board?PCB stands for Printed Circuit Board. It is a substrate used to support and connect electronic components and is a flat board made of insulating material on which electronic components are laid out and connected through structures such as conductive tracks, holes and pads. It is one of the most
Buried resistors are an innovative feature of printed circuit boards (PCBs) that integrate resistive elements within the internal layers of the board itself. This advancement in PCB technology offers numerous benefits, including improved circuit performance, reduced space requirements, and enhanced reliability. This article will delve into the concept of buried resistors in PCBs, exploring their
The process of PCB (Printed Circuit Board) assembly involves numerous intricate steps, each critical to ensuring the final product’s functionality and reliability. Among these steps, the significance of BGA coplanarity stands out, particularly in modern electronic devices where miniaturization and performance are paramount. This article delves into the intricacies of BGA (Ball Grid Array) coplanarity,
SMD package refers to electronic components directly surface mounted on the circuit board in a package, it has a small size, light weight, high reliability, is currently the most widely used in electronic products in a package. SMD surface mount device installation process mainly has the following steps:Installation of the substrate: the substrate will be
PCB board vs. Breadboard, each with their pros and cons, make it difficult to decide which is best for you. PCB boards (PCBs) are an integral part of all electronic devices and are circuit boards that provide circuit connections. Various electronic components are soldered to the circuit board according to customized requirements. Breadboards, also known
SMD Resistor (SMD Resistor), also known as Chip Fixed Resistor (Chip Fixed Resistor), is a type of metal glaze resistor. It is a resistor made by mixing metal powder and vitreous enamel powder and printed on a substrate using the screen printing method [1]. It is resistant to humidity and high temperature, and has a
SMD LED is small and highly efficient light emitting diodes (LEDs) that are commonly used in electronic products as indicator lights or display backlights. Compared to conventional LEDs, SMD LEDs have higher density and better energy efficiency. They are named “SMD” because they can be affixed directly to printed circuit boards, saving space and improving
PCB pins are the metal parts of printed circuit boards used to connect electronic components. They are usually small metal columns or pads extending vertically from the surface of the PCB board, through welding, plugging and other ways and components of the pins or pin holes are closely linked to realize the transmission of circuit
Postage stamp holes are holes with a small diameter and shallow depth, usually about 0.254 mm in diameter and 0.167 mm in depth, and are round or oval in shape, and sometimes in other shapes, such as square, triangle, etc. Stamp holes can be customized to meet specific needs.Postage stamp holes size and shape can
In PCB (Printed Circuit Board) design, the connection method is a very important part. It determines the reliability, performance and functionality of electronic devices. But how to connect pcb board? PCB board connection methods mainly include V-cut, stamp holes, hollow connecting strips, V-cut, copper foil bridge connection, separated connecting boards, panelization and so on. V-cut
Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing the essential framework for assembling and interconnecting electronic components. These boards have revolutionized the electronics industry by enabling compact, efficient, and reliable designs. In this article, we will delve into the critical role of PCB boards in electronics, exploring their structure, types, manufacturing processes,
