Electronics Forum | Tue Sep 01 03:32:53 EDT 2009 | d0min0
Hi BWET we are using a chamber that can take 2 stencils 29 x 29 blowing hot air from one side takes ~30min @ 40 C to dry - but sometimes up to 45mins BR
Electronics Forum | Fri Dec 17 02:35:05 EST 2010 | Jacki
Hi Hege Thanks. Now, we are doing an evaluation of vapour process with Rehm.Their system is injection the hot vapour into the chamber in where the PCB is placed. Rehm system is quite impressive and contrast from others. You can try.
Electronics Forum | Wed Jul 10 14:29:27 EDT 2013 | isd_jwendell
You wouldn't have a very good profile if you went straight from room temp to vapor temp (_-). The chamber should preheat the board before using vapor to melt the solder.
Electronics Forum | Thu Jul 18 04:42:32 EDT 2013 | ericrr
Thanks for that, sorry Im late setting (set by someone else) Speedline Bravo Top 1st chamber, 2nd, 3rd, 4th. 170° (c), 180°, 190°, 270°. Bottom 170°, 180°, 180°, 260° chain speed 27cm/second.
Electronics Forum | Mon Jul 15 15:02:55 EDT 2013 | island2013
In previous lives we vacuum sealed all MSD devices. Also a nitrogen chamber can be used for unsealed bags. You can check the J-STD-033 and J-STD-020A for handling of the different levels, bake times etc. Good Luck!
Electronics Forum | Thu Jul 18 15:25:33 EDT 2013 | ejurentkuff
I'm looking for temperature cycling only, that can ramp 25 degrees C/min. Standard operating range, -70 to 170 deg C. chamber size roughly 24 to 30 inches.
Electronics Forum | Fri Jul 19 18:07:26 EDT 2013 | justinlevine24
Envirotronics SH8 Temperature Chamber fits your dimension requirements. I have one you can look at. DOM: 2002 240V 3-Phase 50Hz Refrigerant: 404A let me know if you have questions.
Electronics Forum | Fri Oct 13 07:52:18 EDT 2017 | cyber_wolf
Charlie, your response was warranted and yes you are right about "certain" posters wanting the answers handed to them with zero effort on their part. Sorry but its true. When I look into the process window of my Heller, it looks like the Dilithium c
Electronics Forum | Tue Jan 09 08:46:03 EST 2018 | pavel_murtishev
Hi, "Baker with controlled humidity 5%" is actually dry cabinet. Using of dry cabinets i.e. ambient temperature baking is preferred. Vacuum will always be better. If you are going to use vacuum chamber, that will be the best method in my opinion.
Electronics Forum | Fri Nov 01 08:39:43 EDT 2019 | johnce
At this point, I do not plan to back-fill with nitrogen. I have confirmed that vacuum baking, with the temperature set to 40°C, will result in the chamber %RH being less than 5%.
