Go to your board house's web site, and look for a document that states their
design rules and requirements.  Mostly this will be a laundry list of things
they constantly have to complain about because they are common mistakes.  I
wnet to several board houses and compiled a little book of them over the
years, to use as a design guide.

These will include:
minimum spacing from holes to edge of board
Minimum trace-to-trace spacing
minimum trace width
minimum SMT to SMT spacing (more of a concern for assembly than board etch)
Minimum SMT to DIP spacing  (ditto)
limits on number of corners on the edges of the board (sometimes 4,
sometimes extra charge for more, sometimes not)
Customer name, part number, and revision number embedded in the Gerber CAD
file
Unique filename for each gerber revision

In addition, add your own ideas, such as:
Fatter traces than necesary to facilitate hand soldering
Your part number and revision in copper on the board
Extra clearance around mounting holes for screwdrivers
Ground planes

You can go on and on with this sort of thing, and there are as many
standards as there are designers.  Most houses are very good about putting
your job on hold if there are any questions.
>Are there any "Gotchas" that I should look
>out for before submitting my design for
>production?

TIA,
Lyle Hazelwood

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http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.