Electronics Forum | Thu Feb 24 14:58:11 EST 2000 | Greg denham
Does anyone have any information on baking boards to remove moisture before reflowing and waving assemblies? I've been told that we should do this to stop such problems as delamination of boards, blow holes, solder balls, etc. I don't know have any e
Electronics Forum | Thu Feb 24 18:08:42 EST 2000 | Travis Slaughter
Baking boards, especially multi layer, will help with blowholes and delimitation, but not with solder balls. Normally about 120c for 1 hour or so is sufficient. I usually will not go to this trouble unless a board has proven to be a problem or if th
Electronics Forum | Fri Apr 15 05:52:20 EDT 2005 | charly
hi Jon, does it mean the protective layer is coated after the immersion silver process? if we need to bake the PCb due to moisture issue, then we can not hold the pCB long due to the missing protective layer even with vacuum seal environment
Electronics Forum | Mon Sep 26 08:39:39 EDT 2005 | avalancher
Not that this actually happens anymore, but could it possibly be moisture in the PCB? Have you tried baking one or two for a couple of hours then run to see if it repeats?
Electronics Forum | Wed Nov 14 01:18:20 EST 2007 | reypal
How about your bare pcb handling? do you stuff smd component prior hand soldering? you can try to bake the pcb and then see if this problem still exist.
Electronics Forum | Thu Oct 17 05:16:44 EDT 2013 | vincentdesilva2003
Anyone can help me how many percentage of blowholes and pinholes if i do the followings: 1. Increase copper plating thickness more than 25 microns. 2. Pre Baking of PCB to remove gassing by drying out the PCB's
Electronics Forum | Thu Jun 29 04:50:42 EDT 2023 | SMTA-70263692
This looks like it could be related to oxidation.Do you per-bake your pcb before assembly to remove any moisture inside your board panel?
Electronics Forum | Wed Mar 05 22:35:40 EST 2003 | MA/NY DDave
Hi Just a few notes below on this forum the same thing was discussed. It probably would have been better to update that note rather than start a new tread. Hey it makes it easier for all or us and YOU. Check the note out, and also check the archive
Electronics Forum | Fri Jul 30 17:16:59 EDT 1999 | Dave F
| Hello Netters, | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on e
Electronics Forum | Thu Dec 04 09:49:11 EST 2008 | lazzara55
Dear Steven: Often the recommendations for baking prior to assembly are derived from various J-stds. But J's currently concern baking moisture out of components, and fail to address the moisture issues of the PCB. Because of that, there is the IPC D
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