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] >