Prepreg and core difference

[ljo]

Hello,

What is pepreg and core? For me it just isolate copper layers. Am i right? What is the difference?

[robertferanec]

ljo some time ago I made a video about how a PCB is made. This video will explain it to you - have a look: How is a multilayer PCB made? >

[ljo]

Ok I have just seen it. Thank you.