Copper-board
En tant que fabricant de PCB. Alcanta PCB company offer Planche de cuivre. À propos de l'épaisseur du cuivre. il en existe différents types. le premier: PCB en cuivre lourd. sur la surface des matériaux de base FR4. le cuivre sera fait avec 2 oz(70un) à 6 oz(210un). Certaines cartes multicouches. the inlayer will make the heavy copper too.
the second types. like a two layer PCB en cuivre. it will be made with the fine copper base. we call it PCB métallique too. you can see the below pictures.we can produce the two layer copper base pcb thick from 0.2mm to 1.6mm. the core will be copper. not FR4 base.

the third type. Quelques multilayer boards. par exemple. 8 Layer FR4 PCB. from L3 to L6 layer. it needs to make 1.2mm thick copper. top and bot side use FR4 base. PCB total fnished thick is 1.57mm. or some PCB rigide-flexible will make the Copper core.
Si vous avez des questions. please check with our engineer. we produce PCB from 2 couche à 90 couches. high quality, More cheaper price.and fast lead time.our company has made the PCB with IPC Class II and IPC Class III. merci beaucoup!
TECHNOLOGIE ALCANTA(SHENZHEN)CO., LTD