Electronics Forum: nitrogen and atmosphere (Page 1 of 12)

Alternative to nitrogen atmosphere cabinet for storage of parts

Electronics Forum | Fri Nov 12 18:18:02 EST 2021 | totech

Hi Jerry We do sell hybrids cabinets nitrogen purge timer up to 20 minutes Or constant Capability of both To

Alternative to nitrogen atmosphere cabinet for storage of parts

Electronics Forum | Fri Nov 12 12:58:38 EST 2021 | jeremy_leaf

Hi SMTnet. I have a series of sensitive parts and solder preforms which degrade when exposed to oxygen and moisture. It seems the standard way of protecting these components is to use a nitrogen purged cabinet as storage. This seems to use a lot of

full nitrogen tunnel

Electronics Forum | Wed Jan 24 17:48:28 EST 2018 | ranap121212

Hello Could I ask for advice? We have new machines with a full nitrogen tunnel. Type of soldering nozzle: worthmann 5 rows and next nozzle (in this same machine) worthmann 7 rows. One person in my organization claims that the delta nozzle is not wor

Fitting nitrogen to Omniflow 7

Electronics Forum | Tue Dec 07 15:03:16 EST 2004 | Nat

Hi all, We have an Omniflow 7 reflow oven that has not come with the nitrogen option. We are looking at fitting a nitrogen system to the oven, does anyone have nay knowledge that may help us? The cost of the nitrogen is nothing as we outgas enourmou

Replacement for nitrogen in the reflow oven

Electronics Forum | Fri May 21 20:38:40 EDT 2004 | Grant Petty

Hi, This would be a very exciting idea. Nitrogen is an inert gas, so this is why it's used, however Hydrogen mixed with oxygen in normal air is highly explosive, so it would be one of the worst gasses to use in a reflow oven I would think. Remember

Solder Balls and Humidity

Electronics Forum | Tue Aug 28 11:12:23 EDT 2007 | grics

This is what I was thinking, but I am being beat up pretty badly by the selective solder. Ambient temperature is anywhere in the the neighborhood of 76 - 80 degrees F. I am not sure of the RH, but I wouldn't think that would be my issue... One of

0402 tombstoning and dewetting on QFP256 trade-off

Electronics Forum | Fri Mar 06 11:01:53 EST 2009 | dyoungquist

I have attached a pdf version of an article that explains the basics of a nitrogen atmosphere when soldering. It gives some basic guidlines as to when one may want to use nitrogen and what it can and can not accomplish. FYI- I did not write that ar

Material Ageing and Storage

Electronics Forum | Thu Feb 22 04:00:02 EST 2001 | Scott B

We are increasingly being asked to store components for longer and longer periods which we know through experience leads to reduction or total loss of solderability of the parts. 1) What is the industry accepted shelf life of tin/lead plated compone

Leaded and Lead Free BGA's on hte same board

Electronics Forum | Wed Apr 30 12:26:10 EDT 2008 | dphilbrick

There must be discussions about this on SMTnet but I have yet to find them. I would like to hear from all you smart people about running LF and PB BGA�s on the same board using 63/37 solder. If you run your profile up to peak at around 225C +/- (nitr

Flip Chip and lead-free soldering

Electronics Forum | Thu Jul 20 16:08:18 EDT 2000 | Grant Baynham

Do you have any experience with flip chip applications using lead-free solder, and specifically do you have any information revealing how the process parameters for standard air reflow atmosphere can be modified to match the results for solder reflow

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