kicad-developers team mailing list archive

[Andrey Kuznetsov <kandrey89@xxxxxxxxx>]

If you're looking for good DFM manuals, check out protoexpress, otherwise
known as Sierra Circuits.
They're a professional board house in the USA with simple to complex board
design support including high speed interfaces, uvias, etc.


On Tue, Aug 22, 2017 at 2:33 PM, Thomas Langås <thomas.langaas@xxxxxxxxx>
wrote:

> On Tue, Aug 22, 2017 at 9:36 PM, Wayne Stambaugh <stambaughw@xxxxxxxxx>
> wrote:
> > I'm not opposed to this change.  However, there are two schools of
> > thought when it comes to board layout: strict layout constraints and no
> > layout constraints.  I tend to lean towards the latter but I've been
> > doing this for 30 years so I am painfully aware of the pitfalls of no
> > layout constraints and have a pretty good idea of what not to do.
> > Should we choose to loosen the layout constraints for blind/buried vias,
> > then we should be prepared for a serious tongue lashing the first time
> > someone violates their board vendor's manufacturing limitations and ends
> > up with a bunch of useless and likely expensive boards.  Maybe at some
> > point in the future we will have a complete constraint system that can
> > cover all possibilities but until then we have to walk that fine line
> > between power users and beginners.
>
>
> Is there a good reason why not to build this by rulesets, and allow
> people to define
> their own rulesets within KiCAD.  You can have a sensible default rule
> that covers
> the 80-90%, and allow the people who know more about this and what they
> need
> just remove the default rule and add their own advanced rules?
>
> Of course, this would imply that without any rules at all, it's just
> willy nilly and
> everything allowed.  But isn't that the way design rules should be?  If
> you want
> to try ice skating down a mountain, it might not be smart, but it's your
> own
> choice  ;-)
>
>
> --
> Thomas
>
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-- 
Remember The Past, Live The Present, Change The Future
Those who look only to the past or the present are certain to miss the
future [JFK]

kandrey89@xxxxxxxxx
Live Long and Prosper,
Andrey