Electronics Forum | Thu Jul 03 11:36:57 EDT 2003 | Ron
Have you considered a temporary water washable solder mask. Elvaway solder mask tapes have been protecting Gold Fingers during soldering and simply wash away in a water wash process and leaves no residue.
Electronics Forum | Wed Jul 02 19:20:43 EDT 2003 | teamcanada
Have you looked into Kapton tape as a protectant?
Electronics Forum | Thu Jan 13 12:36:09 EST 2000 | Wolfgang Busko
Tony: Have a mask applied by the boardhouse which can be removed after soldering. We worked with pallets or tape but had bad luck with some boards. At present I would prefer a mask. M2C Wolfgang
Electronics Forum | Thu Oct 28 18:14:51 EDT 1999 | John Thorup
Try looking for paste contamination somewhere. Dirty stencil, printer table or fixtures. Placement table/fixtures. Reflow belt/conveyer. Reuseable finger covers, if used. Try covering the fingers with Kapton tape during different stages of the proc
Electronics Forum | Thu Jan 13 13:16:40 EST 2000 | Dave F
Tony: You have choices: * Hi Temperature Tape: Go with Wolfgang ... too tough to control. * Selective Soldering Pallets: Some like 'em some don't. A lot of your success depends on the pallet fabricator. * Screenable Temporary Solder Mask: Wol
Electronics Forum | Mon Jan 25 13:51:07 EST 1999 | Parvez PAtel
Steve i agree with u. we use kapton tapes for test puproses at our facility and they do not interfere with the printing results. Infact we sometimes use it to mask off unwanted apertures on stencil underside. But could their applcation affect the gol
Electronics Forum | Sat Jan 23 16:07:20 EST 1999 | Steve Gregory
| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces
Electronics Forum | Wed Jan 27 20:34:13 EST 1999 | parag palshikar
| | hi, | | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier pr
Electronics Forum | Tue Jan 26 19:43:26 EST 1999 | Ross Berntson
| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces
Electronics Forum | Tue Jan 26 19:43:02 EST 1999 | Ross Berntson
| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces
