I've heard of people successfully doing it this way.  The via's are also
handy for checking for shorts.

Good luck!

-Adam

Robert Ussery wrote:

>Hi, all.
>
>I'm working on a project (AHRS) where I will soon need to solder some Analog
>ADXRS150 gyros to a board. As you may or may not know, these little buggers
>only come in a BGA-32 ball-grid array surface mount package. Do any of you
>have experience soldering this or similar packages at home?
>
>
>
>Here's what I'm thinking of doing:
>
>1)       Place a grid of vias lined up with the balls on the bottom of the
>package.
>
>2)       Put solder paste on top of each via, and slap the gyro on top
>
>3)       Carefully heat each via until the solder melts
>
>4)       Do this several times for each ball, to make sure that the solder
>has fully melted and the package is settled.
>
>
>
>The main issue I see with this method, is the fact that solder bridges could
>be forming under the package, and I would never know about them, until I
>smelled the magic smoke coming out. Ideas?
>
>
>
>I don't have any previous experience with home-SMD, so I'm a little
>reluctant to try the toaster-oven method, at least with these expensive
>little buggers. I'd kick myself for days if I baked one.
>
>
>
>Thanks!
>
>
>
>- Robert
>
>
>
>
>
>
>
>
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