Electronics Forum | Fri May 18 12:09:20 EDT 2007 | ed_faranda
I have been TAL around 45 to 90 seconds. I prefer the longer TAL so, I set my profiles around 80 seconds. In the old days (Before RoSH), the longer times would help with wetting. But, since Lead-Free, well. We all know the story about wetting now
Electronics Forum | Fri Aug 01 17:58:37 EDT 2003 | Brian W.
Keep in mind that Photon Dynamics is no longer in the X-Ray AOI business. They are no longer supporting equipment in the field. A number of their employees have formed small companies to provide support for Photon Dynamics equipment in the field.
Electronics Forum | Tue Sep 08 15:04:36 EDT 2009 | dekhead
Important mainly for consistency of pressure across the entire board length... But also quite abusive of stencils to use longer blades. Especially since (most people) when using the longer blades will bump the pressure up even higher to minimise th
Electronics Forum | Fri Jun 01 04:05:25 EDT 2012 | grahamcooper22
If you think the root cause is excess moisture in the pcb then try to bake it for longer. Even longer then the manufacturers recommendation. It takes a long time for excess moisture to come out of a pcb. Try 24 hours , then 36 hours and see if there
Electronics Forum | Tue Nov 21 20:21:11 EST 2006 | billwestiet
Most machines for lead free have adjustable conveyor angles (4 to 8 degrees). In the good ole days with lead, we typically ran at about 6 degrees. Often we see closer to 4 degrees with lead free. This is very common, and provides longer immersion