Aluminum is a kind of metal-based copper clad laminate with good heat dissipation function. Generally, a single panel is composed of three layers, namely, circuit layer (copper foil), insulation layer
FR4FR is for “Flame Retardant”. As a printed circuit board is made to work with electricity, it is supposed to resist heat. FR4 has a much better heat resistance than FR1/XPC thanks to a different com
CEM1/CEM3CEM-1 is a composite material composed of woven glass fabric and a paper core combined with epoxy resin. With properties of easy punching, excellent electrical properties, and higher flexible
FR1/XPCThose materials are used in every-day devices that don’t require a large amount of modern technology. They are made of paper and phenol which are cheap and easy to build, but with poor resistan
