source:Industry News release time:2022-08-05 Article author:yu Popular:pcb
circuit board, is one of the important components of the electronics industry. Almost every electronic device, ranging from electronic watches and calculators to computers, communication electronic equipment, and military weapon systems, as long as there are electronic components such as integrated circuits, in order to make the electrical interconnection between the various components, use printed circuit boards. plate. The printed circuit board consists of an insulating base plate, connecting wires and pads for assembling and soldering electronic components, and has the dual functions of a conductive circuit and an insulating base plate. It can replace complex wiring and realize the electrical connection between components in the circuit, which not only simplifies the assembly and welding of electronic products, reduces the workload of wiring in the traditional way, and greatly reduces the labor intensity of workers; it also reduces the size of the whole machine. volume, reduce product cost, and improve the quality and reliability of electronic equipment. The printed circuit board has good product consistency, and it can adopt standardized design, which is conducive to the realization of mechanization and automation in the production process. At the same time, the entire printed circuit board that has been assembled and debugged can be used as an independent spare part, which is convenient for the exchange and maintenance of the whole product. At present, printed circuit boards have been widely used in the manufacture of electronic products.
The earliest use of printed circuit boards is paper-based copper clad printed boards. Since the advent of semiconductor transistors in the 1950s, the demand for printed boards has risen sharply. Especially with the rapid development and wide application of integrated circuits, the volume of electronic equipment is getting smaller and smaller, and the circuit wiring density and difficulty are getting bigger and bigger, which requires the printed board to be updated continuously. At present, the variety of printed boards has developed from single-sided to double-sided, multi-layer boards and flexible boards; structure and quality have also developed to ultra-high density, miniaturization and high reliability; new design methods, design supplies and Plate making materials and plate making techniques continue to emerge. In recent years, various computer-aided design (CAD) printed circuit board application software has been popularized and promoted in the industry. Among specialized printed circuit board manufacturers, mechanized and automated production has completely replaced manual operations.
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