An unsupported hole is one that is not plated.

> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Peter Lee
> Sent: Tuesday, June 25, 2002 3:22 PM
> To: [log in to unmask]
> Subject: [TN] Definition of Suported/ unsupported hole
>
>
> 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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