Electronics Forum | Wed Jun 24 18:50:55 EDT 1998 | John Silvestri
Has anyone seen a problem with solder under chip components, in-between the glue and the component or in-between the mask and the component? We seen both. What could be causing this? This has only been detected on one of our products. All the rest w
Electronics Forum | Fri Jul 10 14:40:12 EDT 1998 | Bob Willis
Yes this can be a killer. Its caused by glues with a high water content or fast curing of glues. When you get solder going through the glue it is litterally sucked in during solder wave contact. If you have never seen it you would never believe it bu
Electronics Forum | Wed Jun 24 23:52:41 EDT 1998 | Phillip Hunter
| Has anyone seen a problem with solder under chip components, in-between the glue and the component or in-between the mask and the component? We seen both. | What could be causing this? This has only been detected on one of our products. All the re
Electronics Forum | Wed Mar 01 13:06:36 EST 2000 | Graham Naisbitt
$100K for a full in-line. We can do conventional spray at 30 to 50% less but you must mask components you don't want to coat. If they are on 1 end only of the board, then dip coat which is the least expensive option starting at around $12K for up to
Electronics Forum | Wed Mar 01 13:06:36 EST 2000 | Graham Naisbitt
$100K for a full in-line. We can do conventional spray at 30 to 50% less but you must mask components you don't want to coat. If they are on 1 end only of the board, then dip coat which is the least expensive option starting at around $12K for up to
Electronics Forum | Thu Oct 08 08:15:39 EDT 2009 | kpm135
We've used both 1A33 urethane and 1B31 acrylic coating on our SMT assemblies with great success for many many years. This is with components of all shapes and sizes including a 9 ball micro-BGA. We apply the coating in every way imaginable and we hav
Electronics Forum | Thu Sep 10 12:32:31 EDT 1998 | Tim Scully
Heeeelllllp. I am a sales rep. ( I know I know, you can't help me with that. ha ha.) Actually, I represent a company that fabricates PCBs and assembles them under the same roof. We are a small to moderate volume house that is just getting into su
Electronics Forum | Fri Sep 11 09:30:30 EDT 1998 | Earl Moon
| Heeeelllllp. | I am a sales rep. ( I know I know, you can't help me with that. ha ha.) Actually, I represent a company that fabricates PCBs and assembles them under the same roof. We are a small to moderate volume house that is just getting int
Electronics Forum | Thu Sep 10 15:29:15 EDT 1998 | matthew park
Tim, What is it? Which ones are you talking about: 0.080" vs 0.008", 0.100" vs 0.010", or 0.050" vs 0.005" pitch devices . If you are saying 0.080",0.100" and 0.050", any pick and place machine can handle that. Well if not, one machine that is ca
Electronics Forum | Fri Aug 06 15:32:03 EDT 2004 | Shean Dalton
Thanks for providing the pictures. We evaluated what we could see and have the following idea's. 1) Because of different thermal charatoristics between the topline and your product, your Motorola BGA solder joints may have experienced a higher refl
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