PCB product testing is a critical step in ensuring surface mount reliability. With the continuous development of PCB Circuit Boards and PCBA manufacturing industry and the increasing improvement of core technologies, the assembly density of shape memory alloys is also increasing, which not only brings about fine lines of circuit patterns, the fine pitch of…
The common Detection Methods for PCB Boards in the production process are as follows: 1. Manual visual inspection of 94v0 PCB board Using a magnifying glass or calibrated microscope, operator visual inspection to determine if a circuit board is out of order and to determine when corrective action is required is the most traditional inspection…
How to Avoid PCB Soldering Defects? 1. The solderability of the pcb circuit board holes affects the soldering quality The poor solderability of the circuit board holes will cause virtual welding defects, affecting the parameters of the components in the circuit, resulting in unstable conduction of the components and inner layers of the multi-layer board,…
Surface wetting of Circuit Board SMT chip proofing refers to a phenomenon when the solder spreads and covers the surface of the metal to be soldered during soldering. The surface wetting of SMT Chip Processing generally occurs in the case of close contact between the liquid solder and the surface of the metal to be…
The solder paste printing machine is indispensable processing equipment in the SMT small batch chip processing PCB factory. The quality of the solder paste printing can directly affect the quality of our SMT chip processing. Now in many processing plants, automatic solder paste printing machines are more and more used in industrial production. When the…
With the development of electronic technology, many electronic products are developing in the direction of miniaturization and precision, and the requirements for SMT chip processing will become higher and higher. Welding requirements and conventional welding process, the welding of components, the main attention is: master the heating time, use the appropriate temperature and good operation….
The reflow soldering process for PCB is a very important process in the welding stage in the small batch processing of SMT proofing. The quality of the small batch processing of SMT proofing depends largely on the welding quality, and the reflow soldering process will directly affect the quality of the patch welding. Electronic processing…
Every PCB assembly manufacturer must adhere to proper cleaning standards. For medical equipment, there is a higher set of PCB cleanliness standards. What are the PCB cleanliness standards that medical devices must meet? 1. Comply with IPC-5704 All medical device development must meet a specific set of quality control standards. Ipc-5704 is a set of…
The following are several precautions when selecting a chip inductor in SMT chip processing. A better selection of chip inductors can better ensure the quality of smt chip processing. 1. When replacing the chip inductor, in addition to the inductance, pay attention to the working frequency band. 2. If the accuracy requirements for chip inductors…
After the SMT Electronics patch proofing of the SMT small batch patch processing factory is completed, some follow-up processing procedures, such as testing, assembly, etc., are required. After all the electronic processing links are completed, it is delivered to the customer. The circuit board processed by the SMT patch It is relatively easy to be…