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Electronics Forum | Tue May 15 21:57:06 EDT 2001 | davef
Welcome!!! Where the hay ya been??? Sorry bud, were lining-up with your fab [it hurts me to say that, but when yer ] We used to dry pack with desiccants, also. Its probably an old MIL-STD-2073-1C requirement [er something like that]. We qui
Electronics Forum | Thu Aug 11 20:03:41 EDT 2022 | SMTA-69946521
I have a question about Humidity Indicator Cards (HIC) in sealed PCB packages. If a PCB package is temporarily opened where the HIC card indicates 20% humidity exposure and then the PCB package is resealed with a new HIC card. How is the 20% moisture
Electronics Forum | Tue Jul 06 05:33:46 EDT 2004 | ANDREW
1)What is the MSD level for PCB? 2)I have some PCB's with HIC (humidity indicator card ) has turn to pink at 50%. Should I bake the PCB prior to assembly process.This fab is a complex board with various kind advance package assembled on the board.
Electronics Forum | Tue Jul 06 07:49:08 EDT 2004 | davef
Q1)What is the MSD level for PCB? A1) There is none Q2)I have some PCB's with HIC (humidity indicator card ) has turn to pink at 50%. Should I bake the PCB prior to assembly process.This fab is a complex board with various kind advance package assem
Electronics Forum | Wed Mar 16 06:46:59 EST 2005 | -=Verm=-
Hi lads long time no post... I have an issue with a PCB, its a PCI card that we manufacture for a customer of ours. The customer is seeing a problem with contact on a PCI card with the motherboard, the PCI card is removed from the board wiped and th
Electronics Forum | Wed Apr 06 04:18:03 EDT 2011 | emmanueldavid
TK, Hope you got it right only for this round of assemblies. Well, passing through a Reflow belt is not an ultimate process to dry circuit cards & take out moisture from Solder finished layers. First of all, if the packs were not unsealed (even s
Electronics Forum | Fri Aug 12 22:10:24 EDT 2005 | Mika
I agree with all the prior postings! But I have some additional thoughts about this. If there is a build up of moistures (% humidity) inside the pcb; before you reflow the pcba; then you will have the result out of the oven, just as you described. My
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