Electronics Forum: dry oven (Page 1 of 21)

dry oven

Electronics Forum | Mon Aug 12 19:35:42 EDT 2002 | sleech

Been there, ... done that,...got the T-shirt. When with a major IC manufacturer, we tried this. IT DIDN'T WORK! The problem was that most convection ovens leak. We could not achieve a significant N2 atmosphere.Eventually went to vacuum-assisted bak

dry oven

Electronics Forum | Tue Aug 06 08:54:21 EDT 2002 | mike

I have two basic questions: 1. We have a number of small convection ovens and want to modify some of these for baking out parts when needed. We have tried pumping nitrogen into these but I still run between 35 and 50 RH. Has anyone tried converting a

dry oven

Electronics Forum | Wed Aug 14 11:55:31 EDT 2002 | ksfacinelli

One thing we did for our oven is hook it up to the compressed air system in the factory and bled in a small volume of air to create a positive pressure in the oven. The air is clean (non-oiled) and comes off the dryer. We can attain 5% RH. Remembe

dry oven

Electronics Forum | Wed Aug 14 13:54:54 EDT 2002 | DenM

Larry, You can try one of two approaches, a bake above 100C will drive off moisture or use a vacuum bake. The vacuum bake process is slow since there is less/no air to conduct the heat. In the hybrid industry the standard vacuum bake was 16 hours at

dry oven

Electronics Forum | Wed Aug 14 16:30:55 EDT 2002 | sleech

Dan: Until I got deep into development of a vacuum assisted moisture removal process, I always thought that the bake process would be saddled by the lack of atmosphere in the chamber. I later learned that the conduction of temperature at reduced atm

dry oven

Electronics Forum | Wed Aug 07 09:05:11 EDT 2002 | davef

N2 PPM vs %RH? With a firm grasp of the obvious, reflow oven manufacturers rig N2 ovens differently than non-N2 ovens. The N2 displaces O2. Usually N2 oven monitor something or other to give an indication of N2 ppm. %RH really isn't part of the eq

Batch cleaner not getting PCBs clean and dry

Electronics Forum | Thu Dec 08 22:57:45 EST 2016 | ttheis

I'm not too experienced with this but what about an air-blast with an ionized air source such as an air knife above and below a conveyor to push most of the fluid off of the pcba then run through an oven just above vaporization temperature.

Re: ESD Compliant - Air blow off to dry washed circuit board assemblies

Electronics Forum | Tue Apr 11 20:23:19 EDT 2000 | Dave F

Ashok: You're still goin' down that ol' ESD road aren't ya bud? Why do you need the boards to be dry? Conformal coating? Hey wait a minute, are you one of those no-clean people? Er zis related to the Kapton tape res fandango? Anywho, be careful

Re: ESD Compliant - Air blow off to dry washed circuit board assemblies

Electronics Forum | Wed Apr 12 21:04:10 EDT 2000 | Dave F

Ashok: You still didn�t tell me why you want additional drying of your boards, but what the hey, we all have our dark secrets. Anywho, let�s consider some options for reducing the moisture of your cleaned boards: OPTION 1 - Up-Grading Your Cleaner

IR oven profiling

Electronics Forum | Thu May 15 15:42:33 EDT 2003 | davef

Unless you have a reason, set your top and bottom to the same temperature. Tip: Don't run dry cleaners bags through the oven. Tell us about: * Paste you intend to use. * Specifics of your oven, including length of each of the heating and cooling zo

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