X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Mailer: exmh version 2.7.2 01/07/2005 (debian 1:2.7.2-18) with nmh-1.3
X-Exmh-Isig-CompType: repl
X-Exmh-Isig-Folder: inbox
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Re: I won't do BGA's
In-reply-to: <CAPYb0EFxS8sJ6wNw6UP0FhMKkTwAk69D7CywO3NrQ0MbHMM37g@mail.gmail.com>
References: <CA+82U9J4GvssKrnRNOTTMuDc4zHy+PxeWb8OXeWP6NVHfoA0Nw AT mail DOT gmail DOT com> <1486241a-88b7-4c8d-8354-ded392eadf96 AT email DOT android DOT com> <CAA0yOM6e_raSs_3tBv_+1OTNj+cZdN91cJU3hKkeW90E23z4nA AT mail DOT gmail DOT com> <CA+82U9+CzLMdBvyyJxsYWR==BXWjWGrU+zWNXL+-g9tsh7uLbw AT mail DOT gmail DOT com> <CAA0yOM5ej1dMOOtcbYYRdc=7yW6hZj=cmpuypYt9c_X_k5NM7A AT mail DOT gmail DOT com> <CA+82U9+2pQBscOYsWBbLPtEpb1MyTEKe5dr8wzdJYJnFqCjWgw AT mail DOT gmail DOT com> <CAA0yOM5+uj6cHuxVsz18SPqd=ULC_-EbaUb0ffj14wkdj_dHiQ AT mail DOT gmail DOT com> <4EC9CE99 DOT 5040303 AT industromatic DOT com> <4ED27309 DOT 6030100 AT ecosensory DOT com> <20111127231842 DOT 3FD9B81F6262 AT turkos DOT aspodata DOT se> <4ED30BB2 DOT 8030301 AT ecosensory DOT com> <20111128075947 DOT F0D6681F6266 AT turkos DOT aspodata DOT se> <4ED36081 DOT 5080507 AT ecosensory DOT com> <CAOuGh8_6Bw9mpxyzrqcG7SzLBAmUCs9PbVHD4SOJx6VYenFfng AT mail DOT gmail DOT com> <20111129210259 DOT 24C1E81F626D AT turkos DOT aspodata DOT se> <CAPYb0EFxS8sJ6wNw6UP0FhMKkTwAk69D7CywO3NrQ0MbHMM37g AT mail DOT gmail DOT com>
Comments: In-reply-to Bob Paddock <bob DOT paddock AT gmail DOT com>
   message dated "Tue, 29 Nov 2011 20:26:13 -0500."
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Message-Id: <20111130095037.C7E1681F6270@turkos.aspodata.se>
Date: Wed, 30 Nov 2011 10:50:36 +0100 (CET)
From: karl AT aspodata DOT se (Karl Hammar)
X-Virus-Scanned: ClamAV using ClamSMTP
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

Bob Paddock:
...
> > At 25um there was remains from all tested fluxes.
> > At 50um water soluble and one of three "no-clean" fluxes left no traces
> > At 75um no fluxes was left after washing
> >
> > The above is for PbSn.
> >
> > There is a reference to [3], which is said to show that with suitable
> > layout one can get a stand-off distanse of 75-100um.
> 
> I'll add those references to my Get at the Library list, thank you for them.
> 
> I do wonder if those distances change for Lead Free?

The article writer supposed worse behaviour with lead-free.

Regards,
/Karl Hammar

-----------------------------------------------------------------------
Aspö Data
Lilla Aspö 148
S-742 94 Östhammar
Sweden
+46 173 140 57