An inert atmosphere quality of 1000 ppm O{sub}2 provides acceptable wetting characteristics applicable for reflow soldering processes using ENIG, immersion silver or immersion tin pwb surface finishes using a Sn63Pb37 solder alloy. An inert atmosphere quality of 100 ppm O{sub}2 provides acceptable wetting characteristics applicable for reflow soldering processes using ENIG, immersion silver or immersion tin pwb surface finishes using a SAC305 solder alloy.
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机译：1000ppm o {sub} 2的惰性气氛质量提供可接受的润湿特性，可使用SN63PB37焊料合金进行使用Enig，浸入银或浸渍锡PWB表面饰面的回流焊接工艺。 100ppm O {Sub} 2的惰性气氛质量提供可接受的润湿特性，适用于使用SAC305焊料合金使用engig，浸入银或浸入式锡PWB表面饰面的回流焊接工艺。
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