Matti Aarnio wrote:
> 
> On Tue, Jun 15, 1999 at 03:06:18PM +0200, Thomas Sailer wrote:
> > Ivo Simicevic wrote:
> > > Chips like e.g. Motorola MPC860T have 4 10Mb/s and 1 100Mb/s channel and
> > > would give us opportunity of very high speed packet in future.
> >
> > Nice chip, but how exactly are you going to solder a uBGA part in
> > a hobby project? 8-)
> 
>         From an experience I can say that *you don't*.
> 
>         All kinds of TQFP et.al. very dense pinout things
>         where legs are entirely outwards from the chip are
>         easy to solder (use FLUX, and more flux...), but
>         PLCC et.al. which have J-shape legs going *under*
>         the chip are a lot harder.  (even with flux..)
> 
>         On the same theme, *BGA things are impossible, unless
>         you just "happen" to have an IR or a vapour-phase
>         heater system at your disposal, plus soldering paste
>         dispensers, plus ...
> 
> > Tom
> 
> /Matti Aarnio

Tom, why not use the old oven (if your wife/significant other will let
you)?

Regards, Jim

Reply via email to