BGA (Ball Grid Array) package, or Ball Grid Array package, is an array of solder balls on the bottom of the package substrate to serve as the I/O terminals of the circuits to be interconnected with the printed circuit board (PCB). Devices packaged with this technology are surface mount devices. BGA packaging classification Advantages of […]
SMT, or Surface Mount Technology, is a technology for mounting electronic components directly onto the surface of a PCB (Printed Circuit Board). Compared with the traditional through-hole insertion technology, SMT has the advantages of high density, high reliability, low cost and so on, so it is widely used in modern electronic products. SMT process flow
What is osp? OSP is a RoHS compliant process for the surface treatment of copper foil on printed circuit boards. It is short for Organic Solderability Preservatives, which translates to Organic Solderability Film, also known as Copper Protectant, and also known as Preflux in English. method to grow a layer of organic film. This film
In the PCB industry, 1OZ copper thickness means the thickness of 1OZ of copper uniformly laid flat over an area of 1 square foot (FT2). It is the average thickness of copper foil expressed in terms of weight per unit area. It is expressed by the formula, i.e.,1OZ = 28.35g/ FT2 (FT2 is square feet,
In modern circuit design, the problem of signal interference is undoubtedly a core issue, which directly determines the performance and reliability of the entire system. For PCB engineers, signal interference design is a crucial skill and challenge. In practice, we found that there are four main sources of interference in PCB design: power supply noise,
Circuit board cutting refers to the separation of a circuit board into two or several pieces according to a reasonable line without affecting its effectiveness. Common circuit board cutting methods include straight line cutting (V-cutting), milling cutting, wire cutting and laser cutting. Each of these cutting methods has its own characteristics, and the choice depends
Copper sulfate electroplating in PCB plating occupies an extremely important position, acid copper plating good or bad directly affect the quality of copper plating layer and related mechanical properties, and the subsequent processing of a certain impact, so how to control the quality of copper sulfate electroplating is an important part of PCB plating. The
Etching is part of the PCB manufacturing process and is used to create cutter traces on printed circuit boards. This is accomplished by removing excess copper from the copper laminate, leaving only the desired circuitry on it. There are two types of etching: dry etching and wet etching:Wet Etching: Wet etching uses an acid solution
Circuit boards carry various electronic components and are connected through complex wiring to realize the function of the device. However, with the growth of the use of time, the circuit board will inevitably fail, which will require circuit board repair. IC board repair is not only a technical work, but also an art, requiring repairers
Circuit board glue is a specialized adhesive used in the manufacture of circuit boards. Its main function is to fix the electronic components on the circuit board to ensure the stability and reliability of the circuit. Compared with traditional soldering methods, circuit board glue has better insulating properties and higher temperature resistance, which can effectively
A glass PCB board is a printed circuit board that uses glass as its substrate. While traditional PCBs usually use paper or plastic substrates, glass substrate PCBs use glass as the substrate material. Glass PCB board is widely used in electronic products that require high performance and reliability, such as flat panel displays, smartphones, and
A stencil circuit board, also known as an SMT stencil, is an essential tool in the printed circuit board (PCB) manufacturing process. It is a metal mesh used in PCB production to help position and protect components on the PCB board, as well as to ensure the accuracy and quality of the board during processing.
Mechanical keyboard PCB refers to the circuit board used by the mechanical keyboard, it is the key component to realize the input signal of the key to be transformed into the electrical signal that can be understood by the computer and transmitted to the computer for further processing.PCB consists of three main parts, namely, the
IC carrier board that is, ic packaging substrate, is a class of circuit boards used to carry the chip, belongs to a branch of the PCB, with high density, high precision, high performance, miniaturization and thin and light features, can provide support for the chip, heat dissipation and protection, but also for the chip and
FPCA is the abbreviation of Flexible Printed Circuit Assembly, which refers to the hardware substrate formed by soldering electronic components to a flexible circuit board (FPC, Flexible Printed Circuit). It is widely used in communication, consumer electronics, automotive field. Automotive electrification, intelligence has opened up a broader market space for it, power batteries, sensors, cameras
OSP meaning Organic Solderability Preservatives, the Chinese name is Organic Solderability Film or Copper Protector. The core concept is to chemically generate a layer of organic film on the clean bare copper surface. This film has multiple properties such as resistance to oxidation, thermal shock, and humidity, and its main function is to protect the
PCB motherboard is the main board mounted components of the electronic board. It is the electronic components of the support body, but also electronic components electrically connected to the carrier. PCB motherboard design and layout directly affects the user’s ease of installation and use, so in the design and development process needs to be carefully
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
