Electronics Forum | Thu Aug 30 13:06:10 EDT 2018 | emeto
I don't know your board, but for this specific part: 10mil round aperture on a 3.5mil stencil with type 4 paste wold be ideal
Electronics Forum | Mon Dec 03 15:16:18 EST 2018 | emeto
Ideally size should be the same all across - parallelism. If you see different you should fix it. I would suggest instead of measuring it, to use a huge PCB and move it all the way to prove rails are in parallel.
Electronics Forum | Thu Jun 27 08:08:03 EDT 2019 | SMTA-John
Would a sealed cabinet injected with nitrogen which has also passed through dessicant provide ideal storage ? ..dry and little oxygen..
Electronics Forum | Fri Aug 16 12:57:17 EDT 2019 | emeto
To be in the range of profile for a paste, doesn't mean it is ideal. Check temperature on the Side A components while running side B profile.
Electronics Forum | Thu Aug 15 03:23:05 EDT 2019 | sssamw
It depends your product application and requirement. If high level, 100ppm required, or even 2000ppm is also ok. There should have sensor detecting O2 ppm inside reflow.
Electronics Forum | Thu Aug 15 21:16:46 EDT 2019 | ameenullakhan
Hi Thanks, I am concern about Raw nitrogen purity level. When we receive it in our compony from a supplier. Regards, Ameen
Electronics Forum | Fri Aug 16 08:49:04 EDT 2019 | charliedci
If you are purchasing bottled nitrogen, your supplier should know the purity level.
Electronics Forum | Fri Aug 16 12:39:51 EDT 2019 | spitkis2
Liquid nitrogen that we get in 230 liter tanks is 99.9995% pure N2.
Electronics Forum | Mon Aug 19 13:00:31 EDT 2019 | ameenullakhan
Thanks Steve for mentioning the purity level .., Our purchase and sourcing team was asking us what is our expectation on purity level. Based on which they are checking with supplier. So wanted to know any standard which is followed for the same. R
Electronics Forum | Fri Aug 28 14:53:16 EDT 2020 | dekhead
It is not abnormal for the first 2-4 prints to be compensation strokes where the print pressure stablises to its set pressure, ideally the variation is
