Electronics Forum | Wed Jul 28 20:28:26 EDT 1999 | Carlos Palacios
Currently, we are baking any PCB before process on SMT, the 'reason' is to dry any possible humidity that could be inner the PCB, it does not matter if the PCB is multilayer or not. We bake PCB's at 107C for 4 hrs and the board must be process into n
Electronics Forum | Tue Nov 30 02:46:21 EST 2010 | libandara
We want to handle the materials such as PCB & MSD components as per IPC 1601 & J-STD-033. As such, we need a baking oven to perform this and to monitor (temperature – we have to maintain up to 200’C & humidity – below 5%)the control environment & ma
Electronics Forum | Wed Jul 11 22:48:54 EDT 2012 | joeion
It is correct to remove moisture in PCB by baking. But I think the time and temperature is too little. According to our experience, it should be more than 60min at 120 centigrade degrees.
Electronics Forum | Thu Jul 12 02:15:53 EDT 2012 | thmeier
Check also the specs / recommendations of your PCB manufacturer. We bake boards 4h/120°C before reflow and after automated cleaning (it´s not FR4!) and also if we have to rework with the autometd rework- stations (massive IR underheating ,..). Regar
Electronics Forum | Fri Dec 03 05:32:03 EST 2010 | libandara
Dear Graham, Thanks for the information. is there any way to control the humidity inside the oven..? At over 100 C. how the evaporated vapour from the component remove out from the oven..?
Electronics Forum | Fri Dec 03 04:11:47 EST 2010 | grahamcooper22
A baking oven over 100 C will be at zero humidity. Do you really need to store pcbs/devices at 200 C...this will surely harm some products ? IPC 33B01 allows storage of MSDs in a dry cabinet at less then 5%.....these can operate at room temp or 40 /
Electronics Forum | Tue Dec 07 07:26:50 EST 2010 | grahamcooper22
In an oven over 100 C any moisture will escape through vents. There will not be huge volumes of moisture in the oven when you are baking components so it should easily escape through vents / holes in the system leaving you with a humidity of near zer
Electronics Forum | Thu Jul 05 11:26:08 EDT 2012 | cobham1
I need help with how long do I need to bake out double sided PCB's that have been cleaned. The units will not be reworked but instead will be moved on to hand stuffing. I have looked in IPC CH-65B and J-STD-033C. I get information for parts if I am r
Electronics Forum | Wed Jul 28 20:56:58 EDT 1999 | Dave F
| Currently, we are baking any PCB before process on SMT, the 'reason' is to dry any possible humidity that could be inner the PCB, it does not matter if the PCB is multilayer or not. We bake PCB's at 107C for 4 hrs and the board must be process into
Electronics Forum | Thu Jul 29 00:23:45 EDT 1999 | ScottM
| Currently, we are baking any PCB before process on SMT, the 'reason' is to dry any possible humidity that could be inner the PCB, it does not matter if the PCB is multilayer or not. We bake PCB's at 107C for 4 hrs and the board must be process into
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