Electronics Forum | Wed Aug 17 13:57:27 EDT 2005 | ppwlee
We have encountered what appears to be mask discoloration after wave soldering. The areas of concern coincide with the areas that were exposed selectively by fixtures during wave soldering, dominated by one date code of PCB with a slightly different
Electronics Forum | Wed Aug 17 22:41:37 EDT 2005 | davef
Peter are you having fun with solder masks erwat? We saw this years ago with LPI solder masks. It shows occasionally with other masks. We agree with Russ. If nothing [eg, alcohol, flux thinner, acetonitrile, or water] dissolves the haze, then it
Electronics Forum | Wed Aug 17 14:30:58 EDT 2005 | russ
I usually see this with mask that is not fully cured from the PCB shop. This probably agrees with the baking statement that you made.
Electronics Forum | Sun May 09 22:56:14 EDT 2004 | snehal acharya
hi everybody, can anybody give the manufacturer's name of good selective solder M/C. Snehal Acharya.
Electronics Forum | Mon May 17 08:44:58 EDT 2004 | solderpro
Vitronics or Ursa
Electronics Forum | Wed Jun 02 09:10:30 EDT 2004 | dougm
My company is looking at the various options for selective soldering machines. We are mostly a low volume, high mix facility, with some moderate volume orders as well. I have looked at the Pillarhouse Topaz XL, Ersa Versaflow, and Vitronics Soltec
Electronics Forum | Fri May 21 11:20:42 EDT 2004 | Cal
We actually use a solective soldering fixture for our wave soldering process. cal
Electronics Forum | Mon May 10 22:49:45 EDT 2004 | snehal acharya
Hi to ALL, pls give the details about Selective solder M/C Manufacturer.(site detials),if any one knows. regards, Snehal
Electronics Forum | Wed Nov 02 12:08:40 EST 2005 | chunks
It could be lack of preheat or flux. You can verify the flux by hand applying. I'll bet it's lack of preheat though. That's usually the case with selective solder.
.jpg)
