What is pcba number?PCBA number (or SN code) is a unique code used to identify and track product information on PCBA (Printed Circuit Board Assembly) boards. This code is labeled when the PCBA semi-finished product is put into production. The purpose of this code is to facilitate the traceability of the production process of the […]
PCB antenna, also known as printed circuit board antenna, is a form of antenna in which the antenna is printed directly on a PCB (printed circuit board). This type of antenna plays an increasingly important role in modern wireless communication devices, especially in mobile devices, IoT devices and wireless sensor networks, where it is widely
PCB silver plating technology refers to the PCB surface covered with a layer of silver metal process. Silver as an excellent conductive material, with good conductivity, oxidation resistance, thermal conductivity and other characteristics. Through the silver-plated processing, PCB conductivity has been significantly improved, while enhancing its oxidation resistance and thermal stability, thereby improving the performance
PCB wiring is a critical step in PCB design, which determines the performance and reliability of the product. It refers to the process of rationally laying out and connecting wires, components, etc. on a circuit board when manufacturing a printed circuit board (Printed Circuit Board, or PCB for short). This process needs to follow certain
PCB CNC milling machine is an advanced point-to-point motion control system, which plays a key role in manufacturing high-precision printed circuit board through-hole. With the gradual miniaturization and refinement of electronic products, the printed circuit board conductive holes in the aperture, line width and line spacing requirements have become more stringent. Accordingly, PCB CNC system
What is pcb copy board?PCB copy board is a technical means, through the other people’s PCB samples for measurement, analysis and imitation, to complete the original product replication and improvement.It is widely used in the development and production of electronic equipment.PCB copy board is divided into hardware copy board and software copy board. It is
PCB reflow plate, also known as reflow board or thermal reflow board, is an auxiliary tool in the PCB manufacturing process. Its main function is to remove the solder paste or soldering material from the surface of the PCB’s pads evenly and quickly through the process of heating and cooling during the soldering process to
Circuit board component identifier is markings on a circuit board that distinguish components, connecting wires, and other information. They can be in the form of text, symbols, numbers, or colors to facilitate identification and assembly by engineers. The correctness and clarity of the circuit board identifiers are critical to the proper functioning of the circuit
PCB dimension tolerance refers to the PCB manufacturing process, due to a variety of reasons resulting in the actual size and design size of the deviation between the range. The size of this tolerance range directly affects the PCB assembly accuracy, electrical performance and the reliability of the final product. Therefore, strict control of PCB
Soldermask, as a thin layer of polymer, serves the primary purpose of protecting the copper layer on a circuit board from the risk of oxidation and short circuiting during manufacture and use. At the same time, it provides the PCB with an additional layer of environmental barrier. The thickness of the soldermask is usually closely
PCB via filling technology mainly refers to the use of specific filler materials to fill through holes (such as through holes, mounting holes, etc.) in the PCB manufacturing process, in order to realize the electrical connection between the layers of the circuit board or structural fixation. The selection of filler materials and the control of
Flex cut technology usually refers to the use of lasers or high-precision mechanical tools to cut circuit boards made of flexible materials (e.g. polyimide, etc.). This technology is known for its high precision, efficiency and flexibility to meet the needs of cutting complex shapes and small sizes. This technology typically uses a laser or mechanical
Automatic soldering is the process of welding using automated equipment and robots. Automated welding offers significant advantages over manual welding. Due to the precision and stability of automated equipment, automated welding can significantly improve the consistency and quality of welds. This means that consistent quality is maintained in every welded joint, which reduces the likelihood
Circuit board in the process of use, often appear pad off, especially in the circuit board repair time, in the use of soldering iron, it is very easy to appear pad off the phenomenon, in this paper on the pad off some analysis of the reasons, and how to fix pcb solder pads put forward
PCB microsection is a technology that utilizes high-precision equipment and a special process to make fine cuts on circuit boards. Compared with traditional cutting methods, microsection technology has higher precision and a smaller error margin, enabling precise cutting of tiny components and fine lines on circuit boards. Anatomical destructive slicing methods for circuit boards can
BGA technology (Ball Grid Array Package) that is the ball grid array packaging technology, is about the early 1990’s by the United States Motorola and Japan Citizen jointly developed high-performance packaging technology, BGA IC is in the back of the substrate according to the array way to make a ball contact as a pin, in
FR4 is a commonly used PCB substrate materials, it is “flame retardant” (Flame Retardant) level 4 of the glass fiber reinforced epoxy resin material abbreviation. Flame Retardant (Flame Retardant): Flame Retardant refers to the ability of a material to slow down the propagation of flame or self-extinguish when subjected to flame, thus reducing the risk
What is the relation between resistance and current?In a circuit system, the power supply is responsible for providing the potential difference that allows current to flow in the circuit. The current passes through a resistor which causes a voltage drop and eventually returns to the power supply. According to Ohm’s law, current is inversely proportional
The solder ball reflow process is a commonly used surface mount technology. It can realize the soldering function by heating and melting the solder ball and connecting it to the solder joints on the substrate, and can be widely used in electronic products to improve the reliability of the connection, save space, and facilitate the
PCB as an important part of electronic equipment, its quality and reliability requirements are increasing. pcb testing is a complex and critical link, involving the application of a variety of technologies and pcb testing methods, but also need to consider a number of factors in the design process. 7 PCB Testing Techniques Flying probe test
PCB substrate key components in the electronics field that utilize chemical etching technology to connect electronic components (e.g., wires, resistors, capacitors, etc.) to copper foil to form a complete circuit system. This technology allows for the smooth transmission of signals and currents between electronic components, thus ensuring the proper functioning of electronic devices. Packaged substrates
PCB color is mainly determined by its substrate on the soldermask layer, the main role of the soldermask layer is to prevent welding solder flow freely, to avoid causing short circuits. The color of the soldermask can be achieved by adding different color materials, thus forming the colorful PCB boards we see. The relationship between
Laser engraving pcb board is a kind of efficient and precise printed circuit board processing equipment, which adopts the laser technology, can carry out high-precision engraving, laser engraving, etc. on the surface of PCB, so as to realize the marking, marking, layout, cutting and other processing of the circuit board, which provides important technical support
CPU packaging technology refers to the packaging and encapsulation of integrated circuit chips to protect the chip from the external environment, and to facilitate the installation and maintenance of the CPU chip as one of the core components of the computer, packaging technology is of great significance to improve the reliability of the CPU, reduce
