Hi Dan,

I'm sure the pads and lines would be identical in both. I was
just thinking of the complex apertures that we sometimes get
in gerber 274X might not be a 100% one-to-one match with the
surfaces that we would end up with ODB++. I don't know that
they would be different but I do think there would be some
kind of difference, but hopefully a very small one.

I guess the question is what kind or tolerance are we going to
have to be considered 'different'. A difference of .000001
doesn't seem to qualify since we could never see it or even
measure it.


Mark



>From: Dan R. Johnson [mailto:[log in to unmask]]
>Sent: Thursday, January 31, 2002 10:05 AM
>To: TechNet E-Mail Forum.; Mark Steele
>Subject: Re: Re: [TN] ODB++
>
>
>Just a thought, wouldn't the gerber be absolute too? Just compare data
>rather than the image. I seem to recall an old OS that had a
>command called
>"compare".
>Dan
>
>

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