Electronics Forum: moisture absorbtion for fr4 (5)

Moisture absorbtion in circuit boards

Electronics Forum | Fri May 31 10:35:46 EDT 2002 | dason_c

I think that the IPC spec only apply to the MSD. I had a paper from Lucent and forwarded by Francois Monette, please aware that the first 2 hours, the moisture doesn't bake out from the assembly/component and result show that it is increase the weigh

Re: TCE for Ais

Electronics Forum | Thu Jun 25 11:47:39 EDT 1998 | Steve A

| Hi there, | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | Appreciated for your help. | rgs, | chiakl Chiakl, It looks like you are speaking of what could

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