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PCB circuit boards are all kinds of how to distinguish their quality?

2020-03-25 14:05

With the rapid development of the mobile phone, electronics, and communication industries, it has also promoted the continuous expansion and rapid growth of the PCB circuit board industry. People have more and more requirements for the number of layers, weight, precision, materials, colors, and reliability of components. Come higher

However, due to the fierce market price competition, the cost of PCB board materials is also on a rising trend, and more and more manufacturers are monopolizing the market with low prices in order to enhance their core competitiveness. However, behind these ultra-low prices are obtained by reducing material costs and process manufacturing costs, but devices are usually prone to cracks (cracks), scratches, (or scratches), and their precision, performance and other comprehensive factors have not reached the standard. , Which seriously affects the solderability and reliability of the product

Faced with the various PCB circuit boards on the market, there are two ways to distinguish the quality of PCB circuit boards; the first method is to judge from the appearance, and the other is to judge from the quality specifications of the PCB itself