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[2009/5/13 16:16:03]   
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[2009/4/29 11:11:19]    Welding bad reasons and countermeasure
Bad solder solder The phenomenon of some lines did not touch the surface of tin, due to: 1. The surface with oil, impurities and so on, can be solvent cleaned. 2. Substrates during the manufacture of abrasive particles left on the line the surface of printed circuit boards This is the issue of the manufacturer. 3. Silicone release agents and lubricants generally contain such oils, not easy to be c....
[2009/4/29 11:04:39]    Paste request and the matters needing attention
Causes the non-lead to weld into reality · the solder paste, the wave soldering liquid body solder, in the solder gelatin and the soldering tin line uses the non-lead solder already became the reality today. These solder disposition system may strengthen the welding process, its formula may provide the splendid melt wet performance, and causes chemistry thermostability enhancement which the non....
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· Welding bad reasons and countermeasure
· Paste request and the matters needing atten
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