Jon,

You will find the information you are looking for in IPC-2222A Table 9-3.

Gary

On 2/23/2010 9:45 AM, Roberts, Jon (SA-1) wrote:
> I was trying to find in IPC 2200 series where the lead to hole ratio is
> discussed.  I remember we would provide to contractor instructors the
> requirements. That is going back to the WS5626 days.  Can you direct me
> where to find that information.  I am looking for double side-multilayer
> boards for meeting Class 3 of IPC J-Std-001.
>
> Thanks, Jon
>
>
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