Pcb soft and hard classification

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Pcb soft and hard classification

Divided into rigid circuit board and flexible circuit board, soft and hard board. Rigid PCB, flexible PCB. The intuitive difference between a rigid PCB and a flexible PCB is that the flexible PCB is bendable. Common thicknesses of rigid PCBs are 0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm, 1.0 mm, 1.2 mm, 1.6 mm, 2.0 mm, and the like. The common thickness of a flexible PCB is 0.2 mm. The place where the part is to be welded will be thickened with a thick layer of 0.2 mm and 0.4 mm. The purpose of understanding these is to provide them with a spatial reference when designing the structural engineer. Common materials for rigid PCBs include: phenolic paper laminates, epoxy paper laminates, polyester glass mat laminates, and epoxy glass cloth laminates; flexible PCB materials commonly include: polyester film, polyamide Amine film, fluorinated ethylene propylene film.

Raw material

A copper clad laminate is a substrate material for making a printed circuit board. It is used to support various components and to achieve electrical or electrical insulation between them.

Aluminum plate

PCB aluminum substrate (metal-based heat sink including aluminum substrate, copper substrate, iron substrate) is a low-alloyed Al-Mg-Si high-plastic alloy plate (see the figure below), which has good thermal conductivity and electrical insulation properties. And machining performance, now the mainstream aluminum substrate Fosslet.