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By Harald Wack, Ph.D., Syed Ahmad, Ms.Chem., and Joachim Becht, Ph.D., Zestron, Manassas, VA
The performance requirements for mission critical electronic assemblies are constantly increasing as component failures, particularly in the aerospace, automotive, medical and military industries, are simply not an option. Since failures are often due to insufficient cleanliness, cleaning ... 
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By Christian Munoz, Hirox USA
Lead-free solders are said to cause various problems, such as: lack of self-alignment, bridges, solder balls, insufficient wetting, dendrites, pits, voids and peeling of soldering land. Also, on miniaturized lands, there may occur insufficient melting of solder paste. Even though these ...
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