The solder pads, as the basic element of surface mount assembly, forms the core of the circuit board pad pattern, i.e. the combination of pads designed for a specific component type. It is not only a bridge for electrical connections, but also a key part of device fixation, which serves both functions. In the many […]
Soldermask is a polymer coated on the surface of the copper foil of a PCB. Its main function is to cover the surface of the copper foil and prevent oxidation of the copper wires, thus extending the service life of the board. It also prevents the flow of solder between neighboring pads during soldering, which
Surface mount PCB board, as the name suggests, is a technology where electronic components are mounted directly onto the surface of a PCB (Printed Circuit Board). Compared with traditional plug-in components, surface mount components have the advantages of small size, light weight and high reliability. This makes surface mount PCBs play a key role in
What is via？Through-hole, that is, in the copper cladding board drilling the required holes, it carries on the layer to layer conduction, used for electrical connections and fixed devices. Vias are a vital and indispensable part of PCB production. On a functional level, perforations are divided into two main categories:1.For the electrical connection between the
In the circuit board design process, PCB layers, or printed circuit board layers, refer to the division and stacking of different functional areas during the circuit board manufacturing process. Layers that are used more often in PCB design: mechanical mechanical layer Keepout layer Disable wiring layer Signal layer Signal layer Internal plane layer Internal power/ground
Blank pcb board, as circuit boards that do not yet have any of the necessary components to function properly, are an integral part of the electronics manufacturing field. Copper-plated blank circuit boards are often referred to as “copper-plated” boards, and when components are mounted on the board, the current flows freely and efficiently thanks to
Printed circuit board warpage refers to the phenomenon of PCB board bending, twisting or deformation during the working process. This warpage is usually caused by uneven heat distribution inside the circuit board. Warpage is the degree of bending of the PCB surface in different areas, and this performance parameter is very important in PCB design
A bare circuit board, i.e. a printed circuit board without any processing, protective coverings or assembly of components, exists in its minimalist form as an electronic circuit connector. In short, it is a printed circuit board without electrical properties. Bare board circuit board according to its construction characteristics, can be divided into single panel, double-sided
In the electronics industry, flexible connection technology has always been a key link, FFC vs FPC as two common flexible connection solutions, each with unique advantages and application scenarios. The difference between FFC vs FPC: Structure: FFC (Flat Flexible Cable) is a flat flexible cable, usually composed of metal foil and insulation, through the conductive
PCB cleaning is an important processing procedure in SMT SMD processing, strictly in accordance with the requirements of the implementation can be removed in the electronic processing of some of the pollutants generated, such as flux, solder paste, adhesives, etc., a good cleaning process can protect the board in the use of the stability and
The pcb mounting holes are used to position or support the PCB for mounting. These holes are generally large and cover the external wiring, and can lead to incorrect mounting if not placed correctly. Basic Tips for Designing PCB Mounting HolesIn PCB design, the setting of mounting holes is an important part. EDA365 Electronics Forum
Printed Circuit Board fiducial marks are a reference point or identifier used to determine the relative position of other components or features on a PCB. These markers play a vital role in the manufacturing, testing, and assembly processes to ensure that components are accurately placed in the correct location for proper functioning of the circuit
A PCB capacitor is an electronic component in which a capacitor is mounted directly onto a printed circuit board (PCB). It is mainly used to store charge and release it when needed to provide stable voltage and current, thus ensuring the normal operation of the circuit. Compared with traditional capacitors, printed circuit board capacitors have
PCB density usually refers to the number of circuits, components and vias per unit area of the board. Higher density means more integrated functionality on the board, but also increased manufacturing difficulty and cost. Optimizing board density using multilayer PCB processing has become a widely used technology in the industry. Multilayer PCB processing involves carefully
Soldering Procedures for Chip Components on PCBs: Soldering Process for SMD Components 1.Cleaning and securing the PCBBefore soldering the PCB, the first task is to ensure the cleanliness of the PCB boards. Any oily fingerprints and oxides must be removed to prevent negative effects on the soldering. When soldering PCBs manually, if conditions permit, a
In the PCB manufacturing process, pcb test points, as a key element, play an important role in ensuring that circuit testing and debugging is carried out smoothly. Their existence not only enhances the reliability of the circuit, but also effectively reduces production costs and significantly improves manufacturing efficiency. The role of test points is broad
PCB slip ring, as a highly efficient electrical transmission device, are widely used in scenarios that require continuous rotation while maintaining electrical connections.Compared to conventional slip rings, they feature a more compact and integrated design, enabling a brushless connection between the wires and the printed circuit board, thus ensuring the stability and reliability of power
FR4 material, as a commonly used glass fiber reinforced epoxy resin laminate material, occupies an important position in the electronics field due to its excellent electrical and mechanical properties. Among these properties, FR4 relative permittivity and dielectric strength are particularly critical, and together they determine the performance and application range of FR4 in circuit design.
Screen printing is the process of producing printed circuit boards using silkscreen printing technology. The screen printing layer is one of the layers used to label components or add other information when drawing PCBs. Through this printing method, the component shape, serial number and other descriptive text printed on the component surface or solder surface
Ceramic printed circuit board, which is manufactured on the basis of ceramic materials such as high-purity alumina ceramics, have become one of the highlights of modern electronics manufacturing. Compared to conventional plexiglass fiber circuit boards, ceramic circuit boards exhibit higher mechanical strength, excellent temperature resistance and thermal conductivity, as well as outstanding dimensional and chemical
Cutting printed circuit board is the process of dividing a whole or linked circuit board into two or several pieces according to a reasonable line. This step is carried out without affecting the effectiveness of the circuit board, which is conducive to the secondary processing and recycling of circuit boards for remanufacturing. Mechanical cutting of
A single sided pcb is a circuit board that has a copper-clad layer on one side only and no conductive layer on the other side. It relies on a layout such as open wires or common wires in order to realize the electrical connectivity of flat circuits. Compared to double-sided boards, single-sided boards are simpler
A printed circuit board soldermask is a special construction designed to protect the integrity and stability of a circuit board by preventing solder from penetrating into areas of the board that should not be soldered during the soldering process. Soldermasks are typically placed on the substrate of a circuit board to cover a predetermined portion
A potting pcb is a circuit board that has been subjected to a special potting process. This process usually involves the potting of a specific part of the board or the entire board surface with a protective insulating material. The potting material not only improves the mechanical strength of the board, but also effectively prevents
