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Reply To: | TechNet E-Mail Forum. |
Date: | Tue, 23 Mar 2004 13:14:19 -0500 |
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Thanks for the info Steve.
Are there any special considerations needed when setting up the stencil apertures?
Do you see any problems wave soldering these pads?
Thanks
Jason Lineback
>>-----Original Message-----
>>From: Steve Gregory [mailto:[log in to unmask]]
>>Sent: Tuesday, March 23, 2004 9:53 AM
>>To: [log in to unmask]
>>Subject: Re: [TN] FW: Round SMT pads
>>
>>
>>Au contraire, Monsieur!!
>>
>>I've seen round pads used numerous times! Mostly on 0402 footprints
>>though...I suppose it wouldn't hurt on 0603 pads.
>>
>>The benefits are a reduction in tombstones, and increased
>>space for routing
>>traces.
>>
>>I'll send you a picture of a board that I have here now that
>>has round pads
>>(there's part of a dime in the picture for scale), but I've
>>got more than just
>>a few boards that I build here that uses round pads, and from
>>my experience,
>>it does help prevent tombstoning. I have less problems with
>>tombstones on
>>
>>Hope this helps!
>>
>>-Steve Gregory-
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