From what I can gather , supported hole is - plated through hole and unsupported hole is non-plated
through hole. Anyone kindly correct me if I am wrong.

Thanks
Seet Leng

Peter Lee wrote:

> Technet,
>
> Can anyone explain the difference between a supported
> and unsupported hole on PCB?
>
> I am reading a section on IPC-A-600 RevF and section
> 2.10.3/4 specify difference acceptance criteria
> according to the hole type.
>
> Rgds,
> Peter
>
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