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  • Internal layer Type

    Hi Guys,

    I was about to set material for internal layer, attached is a screen shot:
    Click image for larger version

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    Wondering what those options in drop down menu means?

    Regards,

  • #2
    This will help you about understanding core and prepreg (I made the video in PCB factory): ​https://www.youtube.com/watch?v=67WhV0EDqCA

    But basically:
    - Core: material which has copper-isolation-copper (looks like 2 layer PCB, but you can buy it in different thickness)
    - Prepreg: just isolation e.g. used to stick two cores together

    I am not sure if I have ever used film or surface material (they removed that options from that menu later). But I found a little bit more info here (search for film) - maybe it will help:
    ​https://www.altium.com/documentation...yer+Stack))_AD

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