On Thu, 2007-06-14 at 10:47 +0200, Rikard Bosnjakovic wrote: > On 6/14/07, Alan B. Pearce wrote: > > > I get taught that the flux is there to help the solder wet the two parts of > > the joint. In the case of solder wick it helps the solder wet the copper in > > the wick, which makes the solder flow, and then the wicking action happens > > because the solder can now stick to the copper in the wick. > > Which reminds me that I've had a roll of solder wick for, like, 10 > years or so, but never ever managed to get it to work so I've always > resorted to using the solder suction instead. > > I'm sure I've applied the wick wrong. The times I tried it I put the > wick atop of the solder-pad (or whatever) to be removed, then the > solder iron atop of the wick, heating the wick and the solder up. The > solder melt, but the wick never "ate" the solder. Chances are it's bad solder wick. I've found the cheaper brands just don't work very well. There are cases were a "solder sucker" is a better idea (i.e. cleaning out holes on a 20 layer PCB), but in general I find solder wick much more useful. TTYL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist