The board was not of high enough density to
really worry escapes. Yes, flooding or pouring
or filling as I think it's called also.
>You could alleviate the problem, add xtalk isolation, and no cost
>change by restacking as follows:
>
>signal
>gnd
>signal
>gnd
>pwr
>signal
>gnd
>signal
>
>This also allows x&y routing on internal layers (by avoiding parallelism
>rules). It may prove to be easier to route because of that (not
>guaranteed).
The stackup was stuck at 6 layers.
The 8 layer stack up which wasn't allowed.
Regards, Doug McKean
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