Focusing on High-Purity Gases for Springfield Laser Welding


Lasers were originally posited by none other than Albert Einstein at the beginning of the 20th century. It wasn’t until the 1980s, though, that lasers were employed to solder lead in electronic component circuit boards. And it wasn’t until 2002 that CO2 lasers were used to weld polymers. Today, ILMO Products Company, one of over 150 PurityPlus® Partners at 600 locations coast to coast, is proud to be a trusted Springfield supplier of the high-purity specialty gases so necessary to the gas laser welding process. Our main customers are heavily automated high-volume manufacturers. Those associated with the automotive industry are perhaps the most conspicuous cases in point.

A few gas laser factoids:

  • Resonator gases are most often a mixture of helium (He), carbon dioxide (CO2), and nitrogen (N2). The active gas that in point of fact engenders the laser light itself – infrared radiation – is CO2.
  • Shielding gases keep the weld area free of oxygen and water vapor, which helps increase the speed and quality of the welding process. Argon is the more familiar shielding gas. It tends to be mixed with helium, oxygen, or carbon dioxide, which significantly elevates its plasma suppression properties.
  • As a resonator gas, ultra-high-purity (99.999%) PurityPlus® helium offers exceptionally high thermal conductivity, the better to conduct heat away from the electric discharge. This makes it ideal for very high-powered laser welding.
  • PurityPlus® carbon dioxide, while much used by itself to control CO2 lasers, is better combined with helium and nitrogen so as to attain the very high laser powers required for laser cutting and welding.
  • PurityPlus® nitrogen, especially as an intermediary with CO2, is also helpful in achieving very high laser powers.
  • PurityPlus® argon, an inert gas and thus great as a shielding gas in laser welding, offers complete protection against ambient air. Since it usually supports plasma generation, it should not be used for laser powers above 3 kW.

Whatever your singular laser welding application here in Springfield, you can be sure we supply the PurityPlus® specialty gases with the certified high- or ultra-high purity necessary to carry it off. Contact ILMO Products Company today.