Re: gEDA-user: Baking chips to dehumidify before reflow

[Steve Meier <smeier@xxxxxxxxxxxxxxxxxxx>]

I vote for putting them in a microwave oven but first setting up a
camera to take a movie of the action.

Steve M.

On Thu, 2006-06-08 at 09:58 -0400, Peter TB Brett wrote:
> Randall Nortman wrote:
> > I've got some LQFP chips that I've been storing, with the bag opened,
> > for a bit longer than I really should have.  The indicators on the
> > humidity cards have started to turn pink, so I'm worried that they
> > will have absorbed too much humidity and if I try to reflow them now,
> > they'll "popcorn" (i.e., trapped moisture turns to steam and
> > evaporates, cracking the package and/or die).  Anybody have any
> > suggestions on the best way to do this using common household
> > equipment?  I guess I just stick them in an oven at lowish temperature
> > for a while, but what temperature and for how long?  I checked the
> > datasheets for the chips (Atmel AT91SAM7X256 and Micrel KS8721CL) and
> > didn't see any useful information.
> >
> 
> You could try putting them in a sealed container with some bags of silica
> gel for a few days.
> 
> Peter
> 
> --
> Quake II build tools: https://adidas.servegame.org/projects/buildutils/
>