What about reflow work?  either with an oven of some sort or hot air device?


On Sun, 20 Feb 2005 10:03:09 -0500, microsoftwarecontrol
<microsoftwarecontrol@yahoo.ca> wrote:
> In my case, solding iron is most decisive:
> T very low, 195 and never swinging above 200.
> To sold two pins each time with ensured flux
> covering. Tin of two pins will sepreate by themself.
> Such, like doubling the size of pin. Low temperature
> to ensure flux existed, is key! How to achieved eccurately
> countrolled temperature? My own pid control iron!
> 
> Also, using 0.5mm solder, bring more flux to make
> easy seperation of two pins. If solding time too long and lack of
> flux cover, clean all old tin, redo.
> 
> 
> ----- Original Message -----
> From: "csb" <csblondin@sympatico.ca>
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Sent: Sunday, February 20, 2005 9:15 AM
> Subject: Re: [EE] Request: SMT Soldering techniques?
> 
> > > consider myself very good with soldering but have never attempted SMT.
> > Then you'll have no problem with SMTs once you get a bit of practice.
> >
> > > What equipment is required to start out?
> > I'd say: (cause that's what I use)
> > two hands
> > a soldering iron
> > a reasonably clean tip (doesn't need to be small)
> > flux
> > 63/37 flux-core solder
> > probably a magnifying glass/lamp combo, best is a binocular microscope.
> > If you only do some 0603, you won't need those lenses except maybe a few
> > times to really see what's happenning. But if you want to do any kind
> > of SMD ICs (TSSOP, PQFP, TQPF, whateverQFP) that have a lead pitch < 0.05"
> > you Will need an optical device.
> > > What techniques and skill does one need?
> > You should read the doc suggested by Jinx, and read anything you can
> > find on-line. I don't know about books, but you might check out some
> > App-notes from manufacturers. I don't have any in mind right now, but
> > you might check out TI, NationalSemi, Fairchild Semi, maybe (?) Panasonic
> > (the Panasonic/ECG division which makes discretes).
> >
> > Best of all, of course, is to practice.
> >
> > Good Luck,
> > Christian
> >
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-- 
Brenden McNeil
moya034@gmail.com
WWW is Deprecated (no-www.org)
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