PCB substrate material
PCB substrate material We often refer to "FR-4" as a code for a fire-resistant material grade, which represents a material specification in which resin materials must be able to self extinguish after combustion. It is not a material name, but a material grade. Therefore, currently there are many types of FR-4 grade materials used in general circuit boards, but most of them are composite materials made of so-called Tera Function epoxy resin, filler, and fiberglass. You can choose materials based on product c....
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