Prepregs, cores, foils
A prepreg (from pre-impregnated) is fibreglass impregnated with resin. The resin is pre-dried, but not hardened, so that when it is heated, it flows, sticks, and is completely immersed. Prepregs are thus fibreglass strengthened by an adhesive layer (similar to FR4 material). The name of each prepregs derives from the type of fibreglass used.
Prepregs and cores are also available in High-Tg and halogen-free types, but not always in every possible thickness.
CoresCircuit boards cores are pre-pressed layers according to the pattern: copper foil – prepreg – copper foil. Multi CB also manufactures printed circuit boards with metal core. Multi CB normally has the following circuit boards cores in stock*:
*Special cores may also be pressed for a particular project. |
Additional information:
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Pricing ExamplesPrinted Circuit Boards always include:
e.g. 100 pcs. Eurocard 100x160mm
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