What is resistance in a circuit?Resistance ,usually denoted by “R”,is a physical quantity that, in physics, indicates the magnitude of a conductor’s resistance to electric current. The greater the resistance of a conductor, the greater the resistance of the conductor to the current. Resistance generally varies from conductor to conductor, and resistance is a property […]
PTFE plate, i.e. polytetrafluoroethylene plate, is a polymer material made of polymerized tetrafluoroethylene monomer. Its unique molecular structure makes it a material with excellent corrosion resistance, high and low temperature resistance, and non-adhesive properties, often referred to as the “king of plastics”.PTFE plate can be made through a variety of processing methods, including molding, extrusion
PCB delamination is the phenomenon of partial separation between layers of a printed circuit board (PCB) during manufacture or use. This separation is usually characterized by bubbles or blisters on the surface, which in severe cases can affect the functionality and reliability of the board. Understanding the causes and prevention of these problems is essential
The number of PCB layers is the number of layers it has in the vertical direction (usually the Z-axis). In short, it is how many layers of wiring are laid on the board. Typically, PCB boards can be categorized as single-layer, double-layer, and multi-layer. Single-layer PCB refers to the use of the same circuit wiring
Low volume PCB assembly refers to the assembly and processing of circuit board components in relatively small quantity ranges. This type of assembly typically involves orders with lot sizes between 25 and 5,000 pieces and is suitable for product design phases that require flexible production and rapid iteration. What is pcb assembly?PCB assembly (printed circuit
In the printed circuit board (PCB) design process,body to body clearance for smt parts refers to the physical distance between different surface mount components (such as resistors, capacitors, chips, etc.).Ensuring proper clearance between these components is critical,as it not only relates to the reliability and performance of the circuit, but also has a direct impact
Porcelain ceramic substrate crown circuit boards are a special type of circuit boards that are usually made from high temperature ceramic materials. They are known for their excellent electrical insulation properties and high thermal conductivity characteristics, making them ideal for use in environments requiring high temperatures and high frequencies. These circuit boards are typically used
ABF substrates (Ajinomoto Build-Up Film) is a high-performance substrate for semiconductor packaging, known as “building block substrate”, which is mainly used in high computing performance chips such as CPUs, GPUs, FPGAs, and ASICs, and is popular for its high density, small size, and excellent heat dissipation characteristics. Popular for its high density, small size, and
What is impedance? The impedance of an alternating current in a circuit with resistance, capacitance, or inductance is called impedance, and is often denoted by the letter Z in ohms. It is a complex number, the real part is resistance, the imaginary part is reactance, where the capacitance of the alternating current in the circuit
Computer board components refer to the hardware parts that make up a computer system, focusing mainly on the motherboard and the other components it connects to (such as the CPU, memory, storage, and expansion cards). These components work together to perform computing tasks and data processing, and are the foundation of a properly functioning computer.
What is a coil on pcb? A coil on pcb is formed by winding wires into a spiral (or other geometric shape) to create an inductive element.The coil produces a magnetic field when an electric current is passed through it. According to Faraday’s Law of Electromagnetic Induction, a varying magnetic field induces a current in
Furnace control board, also called furnace PCB board, is an important components used in a variety of heating appliances and are responsible for controlling the furnace’s operating status, temperature regulation and safety monitoring functions. These control boards usually integrate microprocessors, sensors and power controllers to accurately regulate the heating process by receiving commands from the
An energy harvesting PCB is a solution that integrates multiple energy harvesting technologies onto a circuit board to harvest and convert energy from the surrounding environment into electricity. It typically involves the use of technologies such as solar cells, thermoelectric generators, piezoelectric materials, or radio frequency (RF) collectors to self-power a device or improve battery
What is a motor driver board？A motor driver board is a circuit board that is used to control the motor so that it can operate properly. It is an electronic component that controls the motor and is mainly responsible for providing power and regulating the current to drive the motor so that it can operate
Custom PCB is circuit board that are designed and manufactured according to specific needs and applications. Compared to standardized circuit boards, custom PCBs can be perfectly adapted to the size, number of layers and functional requirements of a specific product to meet the diverse needs of customers. This ability to personalize designs is especially important
Printed circuit boards (PCBs) are an important and indispensable part of various electronic devices and are widely used in computers, cell phones, home appliances, and other electronic products.The printed circuit board price is usually affected by a variety of factors, including material cost, production process, size, and number of layers. What factors affect the printed
Printed circuit board recycling refers to the process of treating and reusing discarded printed circuit boards (PCBs). Waste circuit boards contain a large amount of precious metals, such as copper, gold, silver, etc. Therefore, through professional recycling technology can effectively reduce the waste of resources and achieve the purpose of environmental protection.Printed circuit board recycling
The pcb hole size is usually determined by the design requirements and application. In general, the size of the hole depends on the required current capacity and the size of the component pins. Larger mounting holes can withstand higher currents, but also take up more board area. Designers only usually refer to standard sizes and
In the electronics manufacturing industry, printed circuit boards (PCBs), as the core components of electronic devices, carry the connection of circuits and signal transmission. As a key element for connection and fixation, types of holes on pcb are various and have different functions. Classification of types of holes on PCBs and their functions The holes
High Tg PCB significantly enhance their ability to withstand high temperature conditions by increasing their glass transition temperature (Tg). When the temperature rises close to or exceeds the Tg value of ordinary FR-4 materials, High Tg PCBs still maintain good rigidity and mechanical properties, ensuring that the circuit boards will not be softened or deformed
What is EMI? EMI is short for Electromagnetic Interference, which usually refers to the phenomenon of interference with neighboring electronic products when electronic products are in operation. EMI is a problem that occurs when a source of interference in an electronic system couples with a receiver (i.e., some component of the electronic system.) EMI can
PCB inductors in the circuit is usually divided into two parts: a part of the circuit graphic symbols, indicating the type of inductor; part of the letters + numbers, indicating that the inductor in the circuit of the serial number and the main parameters. Circuit graphic symbols can reflect the basic types of inductors, the
ELIC PCB (Every Layer Interconnect PCB) is a high-end PCB (Printed Circuit Board) type, also known as any-order or any-layer HDI (High Density Interconnect) PCB. Subtractive ELIC (Arbitrary Layer) interconnect is a PCB fabrication technique that is part of the subtractive method, whereby unwanted metal is removed to form a circuit pattern. This technique is
Circuit board serpentine line (also known as snaking, meandering or zigzagging wiring) is a common technique in PCB design. Circuit board serpentine is used to connect two or more points on the circuit board wire, wave-shaped or snake-shaped distribution, it can ensure good signal transmission at the same time, reduce interference, improve the quality of
