Electronics Forum | Fri Jan 18 04:45:32 EST 2002 | wbu
Ianchan, baking as being part of pre-heating is obviously sensless cause the PCB will not maintain any of that heat till soldering. Common reason for prebaking PCB�s is getting the moisture out to prevent outgassing, warpage and maybe other defects.
Electronics Forum | Thu Jan 17 20:33:05 EST 2002 | ianchan
Hi, Can anyone help explain the benefits/disadvantages of bareboard pcb baking, as part of the pre-heat conditioning, before the bareboard pcb use in SMT production run? The pcb board is 200mm x 240mm panelized pcb board, and has 28 smaller pcb boa
Electronics Forum | Sat Jan 19 02:29:11 EST 2002 | ianchan
Thanks for the tips... found out the ex-employee guy, had pre-bake conditioning put into the process flow, as this pcb is made of polymide material, that is reputed to have historical patterns in thermal sensitivity. To avoid "thermal damaging" the
Electronics Forum | Mon Jun 28 09:15:21 EDT 2004 | jdumont
Morning all, we have been seeing some problems with the edges of some of our BGA's curling away from the PCB after reflow. Is this possibly a moisture problem? If so what would be a good time/temp to bake them at to rectify the problem? Thanks in
Electronics Forum | Thu Jun 13 15:33:49 EDT 2002 | john
I opened a two product boxes which are similar and have PCBs. The PCB in one box is gold plated. Can anyone explain why it needs gold plating? Thanks in advance
Electronics Forum | Sun Sep 15 21:44:41 EDT 2002 | jason
Hi Dave, Immersion Ag has poor surface appearances after reflow or rather tarnished, while Immersion Tin requries higher temp. Probably that's why Immersion Ag is more preferred.
Electronics Forum | Fri Jul 28 18:23:50 EDT 2006 | Board House
Why in the world would you want to start a Manufacturing facility, Hopefuly you were not thinkning of the USA. I would suggest learning to eat once a week, Live at your facility and do not operate with the lights on, This will help in controlling
Electronics Forum | Sun Jul 30 18:07:34 EDT 2006 | Grant
Hi, Yes, it seems the case, and it's something I am thinking about all the time. I am sure the guys who ran your company thought it was doing ok at the time, and I think it's a lot easer for things to go wrong than you imagine, but at the top it's h
Electronics Forum | Fri Aug 10 07:33:32 EDT 2007 | davef
Tran Since we all agree that J-001 has no baking requirement, why are you baking the boards? What is the purpose of this bake process?
Electronics Forum | Thu Aug 09 09:05:09 EDT 2007 | davef
There are no requirements acceptance criteria for baking of board assemblies. What are your customer requirements? The common reasons people choose to bake PCB are to prevent: * Delamination of multilayer boards * Measles, particularly on double si
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