they probably just went ISO or something
:)
no seriously though i could see this as at least a potential cosmetic
issue for the fab
(not being able to hold the dimensions)
that could be enough to trigger a reject from the customer ...
why use these dimensions anyway?
you don't want a solid due to warpage or soldering or something?
if you do want a cross hatch i would think the open parts should be
bigger
Dennis Saputelli
Lloyd Johnson wrote:
>
> I just had a board vendor reject my gerbers due to the track spacing within
> a polygon pour. I have been using 15 mil tracks on a 20 mil grid and this
> yields 5 mil track spacing, which violates the 8 mil track spacing minimum
> this board vendor has.
>
> Since all these tracks are shorted together anyway, does it make any sense
> that this could be a problem with making a board?
>
> I have never heard of this before. (30 years experience)
>
> This vendor also made earlier revisions of this same board twice before with
> no problem. These earlier boards had the same polygon track spacing.
>
> Anyone else in the group heard of this?
>
> Lloyd Johnson
> DSS, San Marcos Calif.
>
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