Copper foil of the PCB circuit board (copper foil): a kind of cationic electrolytic material, a thin, continuous metal foil deposited on the base layer of the circuit board, which acts as the conductor of the PCB board. It easily adheres to the insulating layer, accepts the printed protective layer, and forms a circuit pattern…
The production process of PCB board is relatively complex, and it involves a wide range of processes, from simple mechanical processing to complex mechanical processing, common chemical reactions, photochemical, electrochemical, thermochemical, and other processes, computer-aided design CAM, and many other aspects of knowledge. Because the production process is a non-continuous assembly line form, any problem…
The pad is the basic unit of PCB surface mount assembly. So, do you know what the PCB manufacturing process requires for pads? 1. Test points should be added to the pads where the two ends of the chip components are not connected to the plug-in components. The diameter of the test points is equal…
Metal substrates have been used since the 1960s, and were widely used in countries around the world in the 1980s and 1990s. What makes metal printed boards popular? 1. Thermal expansion Thermal expansion and contraction are the common nature of materials, and different materials have different coefficients of thermal expansion. The metal substrate can effectively…
The times are developing and technology is advancing. Nowadays, black technologies such as unmanned driving, smart home, and smart wear are constantly emerging around us, and the core components of these products include circuit boards. The PCB circuit board products currently on the market are divided into three main categories from the material categories: ordinary…
In many cases, it is inevitable that such problems will occur, and a batch of SMT patches or patch processing is needed in a hurry. And sometimes the production efficiency of the patch factory that is anxious to find is not so satisfactory, and most of the quality may not meet their own requirements. How…
The finished PCB board is abbreviated as the printed circuit board, which is one of the important parts of the electronics industry. Almost every kind of electronic equipment, from electronic watches and calculators to computers, and communication electronic equipment, as long as there are electronic components such as integrated circuits, in order to make the…
Flexible circuit boards, also known as “soft boards”, are printed circuits made of flexible insulating substrates. Flexible circuit boards can greatly reduce the volume and weight of electronic products and are a solution to meet the requirements of miniaturization and movement of electronic products. What are the types of flexible circuit boards? 1. Single Layer…
PCBA refers to the whole process of pcb blank board through SMT loading or DIP plug-in. So, what process does SMT PCBA manufacturing process go through? The proofing process of PCBA service is as follows: 1. Communicate consultation and match materials. 2. Engineering process evaluation. 3. The quotation is divided into three parts: PCB board…
The quality of PCB board is very important, so PCBA designers need to consider this from the beginning. In some PCBA processing, the quality of normal operation is defective. If the initial design sketch is not suitable, it is easy to damage the solder joints or electronic materials of the processed SMT components. The pcba…