Electronics Forum: what should be the flux density (Page 1 of 4)

What should be the ideal Purity level of incoming Nitrogen for SMT

Electronics Forum | Wed Aug 14 07:00:42 EDT 2019 | ameenullakhan

What should be the ideal Purity level of Nitrogen at incoming stage ?? Please suggest. Regards, Ameen

What should be the ideal Purity level of incoming Nitrogen for SMT

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

What should be the ideal Purity level of incoming Nitrogen for SMT

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.

What should be the ideal Purity level of incoming Nitrogen for SMT

Electronics Forum | Fri Aug 16 08:49:04 EDT 2019 | charliedci

If you are purchasing bottled nitrogen, your supplier should know the purity level.

What should be the ideal Purity level of incoming Nitrogen for SMT

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

What should be the ideal Purity level of incoming Nitrogen for SMT

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.

Looking for X-ray Inspection System - Which brand? Model? Open Tube vs Closed tube? What should be the deciding factors to take

Electronics Forum | Thu Oct 14 14:11:33 EDT 2021 | SMTA-64387257

Hi All, We are currently looking to add an Xray inspection system into our process. We build high density assemblies with ultra fine pitch BGAs, 0201's, QFN's and every package type one can think of. We would like to use the inspection system to v

what is cushion film?should it be produced only by the board?

Electronics Forum | Thu Feb 10 00:42:24 EST 2011 | lenne

nobody can reply me?i just wanna know what is the base material of producing the film.exclude the material,what else should i get to know?

what is cushion film?should it be produced only by the board?

Electronics Forum | Wed Feb 09 22:01:08 EST 2011 | lenne

hello, recently,i have a client that need the cushion film,but i am not sure about it,so is there anyone can tell me something about it?does the film could only be produced by the gerber file?

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