Hi Dave!

You're thinking of SolderQuik BGA preforms...go to:

http://www.winslowautomation.com/bga.htm

The water soluble paper used in the preforms is a proprietary paper developed
by Raychem that Winslow Automation bought the rights to...

-Steve Gregory-


> Hi TechNet Land! I have had one too many Diet Cokes today and thus my
> brains have quit functioning (both braincells at once) - therefore I pose
> the following question to ya'all:
>
> I distinctly remember a company called "Raychem" which used to sell a
> solderball area "preform" which you could use to re-bump a BGA component
> after you removed it off an assembly. The "preform" used a water soluble
> material which could be removed in a water cleaning system after reflowing
> the solderspheres onto the BGA. I went looking on the web and can't find a
> "Raychem preform" group (I found lots of Raychem but not the one I
> remember). Have I had too much Diet Coke? Does anyone remember these guys?
> Or have they closed up shop?
>
> As always, thank in advance!
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>