Electronics Forum | Mon Feb 04 12:30:25 EST 2002 | fmonette
Dave highlighted all the elements that must be considered to determine the optimal temperature and duration for a pre-rework PCBA bake process. As far as the component is concerned, it really depends if you care about not damaging the package for r
Electronics Forum | Thu Oct 26 12:27:40 EDT 2000 | Dave Cunningham
What guidelines would you suggest for an assembly house concerning the baking of bare PCB's (assume FR4) and flexes/rigid-flexes before assembly.
Electronics Forum | Tue Jul 18 00:15:37 EDT 2023 | hazira1991
Is a fresh lot. This bga is old date code 2010. we had received this BGA 2021 and the baking process is done during receiving time. Production received with vacuum seal , its very hard to tell how the BGA handling and stuff and the BGA already EOL. I
Electronics Forum | Thu Mar 29 13:15:18 EDT 2007 | adrian_nishimoto
We always apply solder paste to either the PCB pads or the BGA balls. I have found that only using liquid or tacky flux does not always ensure proper wetting of the pads. Also The BGA sits closer to the PCB making cleaning and endoscopic inspection
Electronics Forum | Tue Jul 16 01:12:31 EDT 2002 | ppcbs
We find that baking PCB assemblies at 90 degrees C in a Blue M forced air oven is safe for most all PCB's that we have encountered over the past 12 years. We remove any external plactic hardware that may be attached to the assembly and also like to
Electronics Forum | Thu Feb 27 03:26:13 EST 2003 | damianlai
Hi, I would appreciate some advice / recomendations regarding conditioning of PCB's before use. Our standard PCB's are double sided and rigid multilayer FR4. We are currently baking everything over 3 months old for 2 hours at 125 degrees C. Is thi
Electronics Forum | Thu Jul 01 11:48:10 EDT 2010 | mb_mfg
Sid, Try baking the boards before running, to insure no moisture. Baking out the moisture will help prevent warping. Should you need further assistance, we supply fixtures to force the board to stay flat to reduce to thermo shock during wave solde
Electronics Forum | Thu Jun 11 22:57:45 EDT 2009 | davef
NASA recommends baking a PCB for a minimum of 4 hours at 93+/- 5.5�C before conformally coating. [NASA-STD-8739.1, �Workmanship Standard for Staking and Conformal Coating of Printed Wiring Boards and Electronic Assemblies,� August 6, 1999]
Electronics Forum | Mon Nov 27 17:39:37 EST 2000 | Dave F
Daniel: In response to your questions: * Moisture level (wt%) that may cause delamination in PCB�s. - Certainly, it depends, but 100% moisture will not cause delamination of a PCB. [Now, heating that water is another question, isn�t it? ;-)] *
Electronics Forum | Tue Oct 30 21:42:32 EST 2001 | surachai
I have question about board baking after in line washing machine then I would like to know some information that ; 1) Do we need board baking after in line washing machine? Both bare board and assembly borad normally we don't bake . 2)In case of ne
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