In our facility, and we are a CEM, if board design has to be analyzed or
modified we ask for the database (CAD) in ODB++ format. As you have
mentioned it contains all the design properties. Easier to work with.
Gerber however is a "dumb" file containing only instructions for the
plotters.
I am not so familiar with Aegis but I believe it does accept ODB++ filr
format. This format, on most if not all of the CAD machines I know is
created by a push of a button and there is no need for a special converting
software.
You can not go back from gerber to data base - once all the properties were
stripped off the design it can be done but it is complicated and you would
need an expensive software and even then not all properties can be
retrieved.
Good luck!
Best Regards
Mickey Weiner
On Wed, Nov 10, 2010 at 6:11 PM, Amol Kane <[log in to unmask]>wrote:
> Dear Technetters,
> Hopefully this e-mail with get people going on technet again.
>
> Some brief background before I ask questions. We use Aegis to write our
> process instructions and machine programs and it is infinitely easy working
> with CAD files (not to be confused with Autocad drawings) as compared to
> digitizing Gerber files. CAD files have to contain the Part Number, Package
> Information, Component Reference ID and location coordinates, along with the
> board outline. Gerbers are used for ordering wave pallets, stencils etc. So,
>
>
> 1. How many people specifically ask customers to provide CAD files
> along with Gerber.
>
> 2. What is involved in generation of CAD files (any special software,
> extra steps etc)
>
> 3. Are any of the board houses capable of providing CAD files if the
> customer only gives gerber files
>
> 4. What software can one use to generate CAD files if I have Gerber
>
> Jack,
> How come there was no mention of Tesla in your electricity piece? Very
> hilarious by the way!
>
>
> Thanks!
> Amol
>
>
>
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