I give the fab an option like, teardrops may be added as long as space
restrictions are met.  Adding them dies increase yield.  You have to find a
fab that will tell you the truth even though you're a 'customer'
On Mar 19, 2015 9:42 PM, "Frank Kimmey" <
[log in to unmask]> wrote:

> Jack,
> I guess I am a loner.
> I don't teardrop anything.
> Teardrops and Snowmen are safety measures from the days when fab was not
> as well controlled with good process and chemistries.
> I make sure there is good annular rings and not had a breakout experience
> in well over 10 years.
> I have moved on from RF to HS and seem to have no issues yet.
> As always I will stand by working with your Fabricator and make sure your
> designs are well within their capabilities.
> If you do your up front, do you really need a belt with your suspenders?
> I am not trying to say teardroping is bad, rather that I want every bit of
> routing space I can get.
> As always we need to look at what gives the closest to our needs.
> If you have the space and time, then do whatever you can to armor plate.
> If you don't need then why take the added time they take.
> Just how I see it.
> Let us know if the fog clears,
> FNK
>
>
> Sent from my iPad
>
> > On Mar 18, 2015, at 11:18 AM, Jack Olson <[log in to unmask]> wrote:
> >
> > INFORMAL POLL:
> >
> > How many of you designers routinely add teardropping or keyholing or
> > snowmans(?)
> > or any other form of copper "pad to trace" fillet to your conductive
> layers?
> >
> > (I would also be interested to know how many DON'T,
> > if you are brave enough to confess in public...)
> >
> > thanks,
> > Jack
> >
> >
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