Homebrew PCBs

I have a project where I will be soldering a large number of tssops 
and 44 pin plccs.  They boards already have the discrete smd's on 
them, top and bottom. I'm trying to figure out a way to quickly solder 
a package.  Any thoughts on how or where I could find, or post to get 
information on approaches?  I'm assuming solder paste and something.

Thanks,
  Phil

--- In Homebrew_PCBs@yahoogroups.com, "Phil Moore" <prmoore@...> wrote:
>
> I have a project where I will be soldering a large number of tssops 
> and 44 pin plccs.  They boards already have the discrete smd's on 
> them, top and bottom. I'm trying to figure out a way to quickly 
solder 
> a package.  Any thoughts on how or where I could find, or post to get 
> information on approaches?  I'm assuming solder paste and something.
> 
> Thanks,
>   Phil
>

There was an article in a recent Dutch elector mag about hacking a cheap
small oven for reflow soldering smd packages. Nice project....

I tried putting a PCB on a very hot iron upside down and that seems to 
work too. It depends on the soldering paste quality used. (low melting 
temp)
I bought a small amount (+/-300g) at a local electronics dump store ($5)
Some others suggest a cheap electric cooker and drop the PCB on that 
for a short while.

Just trial and error I guess.

regards

Marcel PH0MB

--- In Homebrew_PCBs@yahoogroups.com, "marcelbernards"
<marcelbernards@...> wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "Phil Moore" <prmoore@> wrote:
> >
> > I have a project where I will be soldering a large number of tssops 
> > and 44 pin plccs.  They boards already have the discrete smd's on 
> > them, top and bottom. I'm trying to figure out a way to quickly 
> solder 
> > a package. 

> There was an article in a recent Dutch elector mag about hacking a cheap
> small oven for reflow soldering smd packages. Nice project....
> 
> I tried putting a PCB on a very hot iron upside down and that seems to 
> work too. It depends on the soldering paste quality used. (low melting 
> temp)
> I bought a small amount (+/-300g) at a local electronics dump store ($5)
> Some others suggest a cheap electric cooker and drop the PCB on that 
> for a short while.

There is a Yahoogroup on the subject of using toaster ovens for this
sort of thing. Look through the archives and files there.
http://groups.yahoo.com/group/E-Z_Bake/?yguid=75167566

There is also an article in a past Seattle Robotics newsletter on the
same thing, and I seem to recall someone mentioning an article in Nuts
N Volts.

Steve Greenfield

--- In Homebrew_PCBs@yahoogroups.com, "Steve" <alienrelics@...> 
wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "marcelbernards"
> <marcelbernards@> wrote:
> >
> > --- In Homebrew_PCBs@yahoogroups.com, "Phil Moore" <prmoore@> 
wrote:
> > >
> > > I have a project where I will be soldering a large number of 
tssops 
> > > and 44 pin plccs.  They boards already have the discrete smd's 
on 
> > > them, top and bottom. I'm trying to figure out a way to 
quickly 
> > solder 
> > > a package. 
> 
> > There was an article in a recent Dutch elector mag about hacking 
a cheap
> > small oven for reflow soldering smd packages. Nice project....
> > 
> > I tried putting a PCB on a very hot iron upside down and that 
seems to 
> > work too. It depends on the soldering paste quality used. (low 
melting 
> > temp)
> > I bought a small amount (+/-300g) at a local electronics dump 
store ($5)
> > Some others suggest a cheap electric cooker and drop the PCB on 
that 
> > for a short while.
> 
> There is a Yahoogroup on the subject of using toaster ovens for 
this
> sort of thing. Look through the archives and files there.
> http://groups.yahoo.com/group/E-Z_Bake/?yguid=75167566
> 
> There is also an article in a past Seattle Robotics newsletter on 
the
> same thing, and I seem to recall someone mentioning an article in 
Nuts
> N Volts.
> 
> Steve Greenfield
>
Can I use a toaster oven when there are already soldered components 
on the board?

On Fri, 10 Feb 2006 23:29:48 +0100, Phil Moore <prmoore@...> wrote:

> Can I use a toaster oven when there are already soldered components
>
> on the board?
>


Yes.

If you are afraid to damage something by too much heat you can use hot air  
more localized.

ST