source:Industry News release time:2023-05-08 Article author:yu Popular:pcb
PCB (Printed Circuit Board) is a type of circuit board that shapes and prints circuits onto copper or other metal surfaces. It is a commonly used material in electronic engineering and is used to manufacture components of various electronic devices such as electronic devices, communication systems, and control centers.
The following are some stages of PCB development:
Handicraft stage: from the 1950s to the early 1970s. The manufacturing of PCBs still adopts manual processes, requiring engineers to manually draw circuit diagrams and print them on copper surfaces. The PCB produced by this process has poor performance and high cost.
Mechanical automation stage: from the late 1970s to the early 1980s. With the development of technology, mechanical automation of PCB manufacturing equipment has emerged, such as manual slicing machines, screen printing machines, etc. This process produces PCBs with high production efficiency and relatively low costs.
Electronic automation stage: from the late 1980s to the early 1990s. With the popularization of computers and communication equipment, electronic automation equipment such as surface mounting machines and laminating machines are gradually adopted in the manufacturing of PCBs. This process produces PCBs with better performance and higher reliability.
Modern technology stage: from the 1990s to the present. With the development of technology, many new technologies have emerged, such as surface mounting technology, high-density multi-layer boards, high-density drilling technology, etc. These technologies make PCB manufacturing more efficient and reliable, and improve its performance and reliability.
The development of PCBs has gone through stages from manual craftsmanship to mechanical automation, and then to electronic automation. With the development of technology, the manufacturing process of PCBs is also constantly improving and improving
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