Drop Test Performance of SACm® Pb-Free Solder Alloy
As I discussed in my last post, the industry has found that reducing the silver content of SAC alloys helps to improve its mechanical shock performanc...
SAC Solder
Why the World Needs SACm® Solder: improved shock resistance and thermal cycling performance in electronics assembly
As the world began transitioning to Pb-Free solder in the early 2000’s, the electronics industry determined that SAC387 (95.5Sn/3.8Ag/0.7Cu) was...
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 ...
Choosing the Best Metallization for your NanoBond® Application
Since the NanoBond® process is almost instantaneous, fluxes are not used. (They just don’t have enough time to heat up to their activation t...
Weibull Analysis of Solder Joint Failure Data II
Derivation of the Weibull Graph Folks, Last time we introduced Weibull analysis. Let’s now derive the relationships needed to calculate the slop...
Ball-Attach Flux WS-446-NRD for Poor Quality OSP-wetting
While on a recent trip to Malaysia, I interviewed two colleagues regarding trends in semiconductor assembly. My previously-published interview with Sz...
Solder Paste/Preform Bond Line Thickness
When helping customers with the optimization of their soldering process, the question often comes up; “What will my solder bond line thickn...
Musings on Electronics Assembly Metals: Gold Unified a Country
Folks, In Ken Burn’s excellent miniseries The Civil War, Shelby Foote states that the Civil War made us a country by uniting No...
Soldering to Stainless Steel
We are often asked if it is possible to solder to stainless steel and, if so, what is the best procedure. As you may already know, stainless stee...
Soldering to Aluminum
We are frequently asked if it is possible to solder to aluminum. The answer is yes, if the following guidelines are followed: FLUXES: Becau...
End of the Year Thoughts
Folks, I thought I would post a few short thoughts as the new year begins. Here it goes: 1. A......