Die-attach Stresses
Soft solders are used instead of hard solders in applications were there are large coefficient of thermal expansion mismatches between semiconductor d...
Bismuth
Soldering Basics
A couple of my colleagues, Jim Hisert and Andy Mackie recently published an article about the use of solders in chip packaging. The article begins wit...
Heat Transfer in the Modern Era of Electronic Devices
By: Pat Ryan Do you know who the father of heat transfer is? You probably know techniques for heat dissipation in electronic devices can include heats...
Tin Pest in Scandinavian Church Organ Pipes
Annika writes: Dear Dr. Ron, I’m a chemist and a PhD student working in the field of atmospheric corrosion of lead and lead-tin alloys in histor...
SAC Alloy for RoHS Compliant Solder Paste: Still on Target
Folks, I read with dismay this week, an advertisement in an electronic assembly trade journal touting a “drop in” solder paste. The solder...