Electronics Forum | Wed May 10 13:03:50 EDT 2006 | PWH
It sounds like your depaneling method is good. The only thing left to look at is to see if the depaneler is hitting the part somehow from the cutter or the bottom plates. I've seen time and time again where an operator has a part in contact with th
Electronics Forum | Wed Feb 10 21:41:54 EST 2010 | plaiming
We experiences some failures on PCB assemblies from the field when a methacrylate epoxy adhesive was used to secure some through-hole components to pcb board as reinforcement against vibration. During application, the epoxy covered some smaller SMT c
Electronics Forum | Wed Oct 10 21:31:17 EDT 2001 | cnoonan
I used to rework many types of BGA's including ceramic. We always preheated the whole board to around 115 c before attempting to remove or place. Now I find myself in a new company with different ideas. Do any of you have a site that has exact rec
Electronics Forum | Wed Oct 10 21:35:39 EDT 2001 | cnoonan
I used to rework many types of BGA's including ceramic. We always preheated the whole board to around 115 c before attempting to remove or place. Now I find myself in a new company with different ideas. Do any of you have a site that has exact recomm
Electronics Forum | Tue Oct 17 17:27:08 EDT 2006 | adlsmt
Define "pretty easily". Did anyone ever do whatever is making them fall off now before? In most casses where a component "falls off" then someone implements a totally subjective test to make sure the rest of the parts wont "fall off" they damage a lo
Electronics Forum | Fri Apr 03 08:22:36 EST 1998 | Scott Cook
| At this moment in time we are using water soluble solder paste on our PCBs these are cleaned using water only, agitated with ultrasonics. After drying a white/grey residue is left around solder joints. Reflow profile is fine and a reliable wash pro
Electronics Forum | Thu Jun 02 12:08:49 EDT 2005 | cuculi54986@yahoo.com
Does anyone else use the Keystone 1071 battery clip? http://www.keyelco.com/kec/standpro/specpage/spec140.htm I have been having a seemingly strange problem reflow soldering this battery clip. The negative lead always solders fine and looks beauti
Electronics Forum | Fri Mar 16 10:04:41 EDT 2012 | davef
We'd repair a drop board like this. Here's what our old friend Jeff Ferry said is a published article ... When boards lose their edge: when the corner of a circuit board breaks or is damaged, the problem cannot be ignored by Jeff Ferry One of the m
Electronics Forum | Tue Nov 13 11:22:50 EST 2001 | fmonette
Dave, Hany, I was actually surprised to hear that topside SMT components can reach such a high temperature during wave soldering. If this is the case then the concern for component damage is very valid. This morning I discussed this issue with Jac
Electronics Forum | Mon Jun 12 07:42:56 EDT 2006 | brian.perry@suntroncorp.com
We are placing a gold plated device (LCC) to a NiAu PCB using a SnPb No-clean solder. We're noticing quite a bit of difficulty with reliable joints (intermittent connectivity) and if we have to rework a particular device, adjacent devices of this sa
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