Interpreting Weibull Plots: I
Folks, A while ago I discussed the Weibull Distribution and its importance in electronics reliability analysis. This distribution has been use...
Lead Free Solder
Time Required for Refrigerated Flux and Solder Paste to Reach Room Temperature
One question that I often hear from customers is; “Once out of the refrigerator, how long do I have to wait to allow my solder paste and/or flux...
Where is Tin Silver Solder, Now That You Need It?
Over the years, solder alloy choices have been pretty stable. In the last century, SN63 and SN62 could be found at any company making any k...
Can Your Mortality Be Modelled with The Weibull Distribution?
Folks, In the last posting, we saw how Weibull analysis helped us to determine that SACm® lead-free solder (SAC105 with about 0.1% manganese) has ...
Electronics Failure Analysis for Pb- and Pb-Free Solder Joints
Folks, The Weibull distribution is arguably the most important distribution in failure analysis of leaded and lead-free solder joints. ...
A Penny per Gram
Folks, It has been a while, let’s look in on Patty…... Patty had to admit that she was very fortunate. She had yet to t...
Cleaning No-Clean Solder Paste Residues in SMT Assembly
Folks, There is a lot of interest in cleaning PCBs that have been assembled with no-clean solder pastes. Recently I discussed the topic with my ...
Solder Coating Thickness for Tabbing Ribbon
While it is important to have at least 10µm of solder on each side of a tabbing ribbon to form a proper solder joint during cell interconnection...
Lead-Free Electronics Assembly Using the SMT Process - at PCM
Folks, Struggling to find a good, royalty-free, video of electronics assembly, my Dartmouth ENGM 185 class on manufacturing processes decided t...
India WEEE/RoHS Is Here! Compliments Of The Government of India, Ministry of Environment & Forests
Indian electronics manufacturers and solder users. This info is for you. After many years of discussion and policy making, the Indian Government rolle...
The Miracle of Soldering
Folks, Pity the copper age smelter of 3000BC. He had to get his wood fire to 1085°C to smelt or melt copper, sometimes he couldn’t get...
Indium Corporation Tabbing Flux Performance
I was recently asked to gather some data comparing Indium Corporation’s tabbing fluxes and our largest competitor’s leading tabbing fluxes...