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
How is an integrated circuit made? Integrated circuits are based on a planar process and are formed through multi-layer processing. At present, the vast majority of integrated circuits are made on a single crystal silicon substrate, i.e., silicon-based integrated circuits, which are made from a single silicon wafer (chip or wafer) as a unit, a
With the help of microwave radar sensors pcb, people can detect the movement of objects, so as to realize such functions as people coming to light up and people leaving to light out, intelligent linkage and scene definition, and thus it is widely used in the fields of smart lighting, smart home, smart home appliances,
What is millimeter wave radar?It is working in the millimeter wave band (millimeter wave) detection radar. Usually millimeter wave refers to the 30 to 300 GHz frequency domain (wavelength of 1 to 10 mm). The wavelength of millimeter wave is between microwave and centimeter wave, so millimeter wave radar has some advantages of both microwave
Automotive pcb, is an important component used to mount electronic components and provide connection paths for them in various electronic devices and systems in vehicles. It usually consists of a substrate, conductive paths, circuit components, etc. The substrate materials used in automotive pcb boards are mainly high temperature, heat,humidity and corrosion resistant to cope with
Horizontal plating technology is a new plating method developed on the basis of vertical plating technology. The key to horizontal plating is to improve the fluidity and dispersion of the plating solution by improving the plating system, so as to realize a more uniform and efficient plating effect. Horizontal plating and vertical plating have the
What does pcb stand for in electronics?PCB in electronics on behalf of the printed circuit board. Printing wiring board, the Chinese name for the printed circuit board, also known as the printed circuit board, is an important electronic component,is the electronic components of the support body, is the carrier of the electrical connection of pcb
Through hole soldering is a method of fixing electronic components on a PCB (Printed Circuit Board). Through holes are drilled to form through holes in the PCB, then components are inserted into the through holes, and then the solder is melted between the PCB and the component terminals by heating to realize the soldering. Through
An ultrasonic circuit board is an electronic component that utilizes ultrasonic waves for signal transmission. It utilizes the piezoelectric effect of piezoelectric ceramics and other materials to convert electrical signals into ultrasonic signals for transmission. Ultrasonic circuit board is mainly composed of piezoelectric ceramics, metal electrodes, insulation layer and circuit board. When the electrical signal
The pcb trace width calculator is a device that relies on the IPC 2221 formula to determine the width of PCB alignments and is specifically designed to help designers determine the optimal width of alignments on PCBs (Printed Circuit Boards) to ensure the safety and reliability of circuits. The trace width is a key factor
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
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
