I suggest Seeed...

Stackup information PCBs

Information about the stackup for a four-layer PCB.
I would be nice to have a stackup for every PCB thickness seeedstudio provides. This makes impedance based routing possible.

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  • robinmalhotra commented  ·   ·  Flag as inappropriate

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  • Morten commented  ·   ·  Flag as inappropriate

    I agree this would be useful for a low cost rough impedance control, or even for planning the trace widths and spacing when you plan to order impedance control.

  • Morten commented  ·   ·  Flag as inappropriate

    I agree this would be useful for a low cost rough impedance control, but as impedance control is a separate service, and for this I assume you will have to document stackup and routing widths/spacing.

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