On Wed, Jun 4, 2008 at 12:42 PM, Mark Rages <[EMAIL PROTECTED]> wrote:

> On Wed, Jun 4, 2008 at 11:30 AM, Larry Doolittle
> <[EMAIL PROTECTED]> wrote:
>
> > Disorganized and questionable quality component libraries.
> > This has been discussed to death, but without any concrete
> > results.
> >
> >    - Larry
> >
>
> Can we just use luciani.org footprints and deprecate the current ones?
> They are far better than the included footprints.   The included ones
> are terrible (as in, I've had to throw away boards because they were
> unusable).  It is not very user-friendly to ship broken footprints,
> then when users complain, blame them for not double-checking all the
> footprints and/or making their own library.
>

It is good to hear that you have found by library useful. Thank you.

It is not fair to group *all* of the user contributed libraries together.
Some work some may not work but this is true for  commercial and
non-commercial EDA packages. I have yet to see a CAD
group be able to use any EDA tool without some sort of library review.

I agree that some symbols (including mine) may be completely broken
but others may be broken for your process requirements while meeting
the process requirements of others. I believe there are a group of
footprints
shipped with PCB that were generated to IPC-7351. IPC-7351 specifies
three process capabilities. For these symbols choosing the wrong one
could result in a throw-away board.

You should always check that a footprint meets your process requirements
and matches your component specifications. I am hoping that others
double-check
my footprints before I make throw-away boards ;-)

(* jcl *)




-- 
http://www.luciani.org

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