Those are classical  "mousebites".
If someone need picture- these are very representative.
I could agree about rejection only if the minimum annular ring request is
violated.
Edward

> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Judy Brown
> Sent: Monday, April 04, 2005 11:09 PM
> To: [log in to unmask]
> Subject: Re: [TN] Strange marks on PTH pads...
>
>
> They are commonly called mousebites. Yes I would reject them, especially
> if these pads are intended to have a fillet to the component lead, for
> less than minimum annular ring.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Stephen Gregory
> Sent: Monday, April 04, 2005 2:10 PM
> To: [log in to unmask]
> Subject: [TN] Strange marks on PTH pads...
>
> Hey All!
>
> Well, my Monday is just about to wind down...
>
> One of my Receiving Inspectors called me back to look at some fabs we
> just
> got
> in that had some strange looking marks on the PTH pads.
>
> They almost look like some sort of probe marks, but I would think that
> they
> would
> be pretty much in the same place if a fab was to have to be tested
> multiple
> times
> for whatever reason.
>
> You can see what I'm looking at. Go to:
> http://www.stevezeva.homestead.com
> and look at "Annular Ring 1-3".
>
> The marks are on the topside of the fab only, and they are at random
> places
> on
> the fabs.
>
> Anybody ever seen anything like this before?
>
> Would you accept them? If not, what would you reject them for?
>
> Kind regards,
>
> -Steve Gregory-
> Senior Process Engineer
> LaBarge Incorporated
> Tulsa, Oklahoma
> (918) 459-2285
> (918) 459-2350 FAX
> __________________________________________________________________
> This message may contain information that is privileged and confidential
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> above.
> If you are not the intended recipient, you may not copy, use or deliver
> this message to anyone.  In such event, you should destroy the message
> and
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