Maximizing efficiency and reducing costs is a priority for majority of manufacturing & processing companies, regardless of if they package food or utilise surface mount technology (SMT) for electronics manufacture. If you use nitrogen gas as part of SMT manufacturing process, perhaps for selective soldering, wave soldering or even or reflow ovens, you should consider the savings you can make on your nitrogen costs.The easiest way to save on your SMT nitrogen costs is to become your own nitrogen gas supplier by investing in a nitrogen gas nitrogen generator for SMT.
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PSA (Pressure Swing Adsorption) is an advanced gas separation technology, which has an irreplaceable position in the field of current on-site gas supply. PSA nitrogen generators for SMT use compressed air as raw materials and carbon molecular sieves (CMS) as adsorbent to get high purity nitrogen based on the principle, which is pressure swing adsorption under normal temperature. PSA nitrogen generators for SMT use two parallel adsorption towers, which are automatically running with pneumatic valves controlled by PLC, alternatively adsorb under pressure and regenerate without pressure, to separate nitrogen and oxygen, and get final required high purity nitrogen gas continuously.
1) The equipment adopts the brand-newly-designed filling technique, extending service life of molecular sieve to more than 10 years.
2) Special bypass design ensures lower energy consumption and larger effects.
3) Imported pneumatic valves guarantee much more stable performance.
4) Computer operation, simple technical design, easy maintenance.
5) Installation is simple. Not require special foundation, just need flat ground.
Using nitrogen gas in reflow soldering and wave soldering can effectively inhibit the oxidation of solder tin, enhance the welding wettability, speed up wetting, reduce solder balls and avoid/reduce bridge connection defects, to get high welding quality. Requested nitrogen purity should be more than 99.99%. Manufacturing process of semiconductor devices: crystal growth, dry etching of plasma, lithography, annealing, connecting, sintering, etc. And producing process of electronic components: color picture tubes, large scale integrated circuits, liquid crystals and silicon pellets, etc., all can use nitrogen as protective and carrier gas.