Slightly enriched in O2 - seems like it would be detrimental.
Hope they didn't spend a lot on that patent!

The sea-level composition of air (in percent by volume at the temperature of
15°C and the pressure of 101325 Pa) is given below. 

Nitrogen  N2  78.084 % 
 
Oxygen O2 20.9476 % 
 
Argon Ar 0.934 % 
 
Carbon Dioxide CO2 0.0314 % 
 
Neon Ne 0.001818 % 
 
Methane CH4 0.0002 % 
 
Helium He 0.000524 % 
 
Krypton Kr 0.000114 % 
 
Hydrogen H2 0.00005 % 
 
Xenon Xe 0.0000087 % 
 

Source:

CRC Handbook of Chemistry and Physics
by David R. Lide, Editor-in-Chief
1997 Edition



-----Original Message-----
From: Charles Caswell [mailto:[log in to unmask]]
Sent: Friday, January 14, 2005 4:40 AM
Subject: Re: Must we applied N2 to reflow when using Pb-free solder
paste?


We do not do lead free right now but we do use a proprietary gas mix of
Approx. 73% Nitrogen and 26% Oxygen with a few other secret gasses in the
mix. I am sure we can work out a licensing agreement. 

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