Electronics Forum | Thu Feb 16 14:41:48 EST 2017 | mnorthey
Get yourself a KIK Oven and Wave Profiler. It will get you in the Ballpark before burning down the joint. Easy to use and talk to your paste supplier. Murray
Electronics Forum | Thu Feb 23 08:45:03 EST 2017 | pavel_murtishev
Deni, I would suggest to install bottom heater. The rest is absolutely OK. Is your plant ready to accept orders for space shuttles PCBAs and medical ones? I would place a couple of POs. Regards, Pavel
Electronics Forum | Fri Feb 24 03:14:47 EST 2017 | rob
Deni, I would suggest N2O over straight Nitrogen, as you will immediately find your results more satisfying, and any defects will become less of an immediate concern.
Electronics Forum | Tue Jan 23 02:50:57 EST 2018 | buckcho
8 hours @ 20-50% RH 22-28°C (72-82°F) >4 hours @ 50-70% RH 22-28°C (72-82°F)
Electronics Forum | Tue Nov 03 20:28:33 EST 2020 | williamrobbins
Yes, it is most likely the BIOS and Windows Time configuration. If you are familiar with how to switch to Windows Operating system mode and back it can be checked. Our displayed times are off but in ASM trace service the times are all accurate so I d
Electronics Forum | Tue Sep 12 01:50:22 EDT 2006 | meritajs
Hi All, We find out that some companents in leed free reflow soldering process have bad wetting and soldering This soldering problems caused by companent storage time after shipment Could somebody inform us about maximum storage time for different c
Electronics Forum | Sun Feb 03 08:44:25 EST 2002 | davef
There is no standard for baking an assembled board prior to BGA rework, nor should there be. The amount of time required to bake a board varies with: * Board material. * Board construction and layers. * Board size. * Components on the board. If som
Electronics Forum | Wed Feb 06 19:28:43 EST 2002 | sleech
I agree with Francois. We have just announced a 55 deg. C LTVP drying process that can greatly speed moisture removal. It is also effective for drying components that remain in tape and reel, conductive plastic shipping tubes or trays. Process time
Electronics Forum | Tue Sep 12 19:36:17 EDT 2006 | davef
We've been soldering leadfree components for maybe 15 years. We'd be surprised not to be able to store components for at least a year, not that we purposely do that. Component fabricator process determine the maximum storage time for components. M
Electronics Forum | Thu Apr 25 09:27:03 EDT 2002 | fmonette
Michael, This concern is well covered in J-STD-033, section 8.6 Board Rework. "...If the component temperature exceeds 200C, the board may require a bakeout prior to rework..." In other words, you only need to worry about moisture related defects w
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