Fr4 is a commonly used dielectric material for printed circuit boards. However, in particular applications, such as materials used to manufacture high-Tg and high-frequency, high-speed circuit boards, unique materials need to be used instead of FR4.
There is no doubting the fact that the quality of your circuit boards depends on the materials that have been used in its manufacturing and assembly. In order to understand everything about pcb assembly, it is crucial you know the kind of materials used in producing them.
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