Brandon Judd and PoP Solder Pastes
Brandon Judd and I have been working on a paper for this year’s SMTAI event, and I thought I......
Flux Activators: What they are / What they do
A colleague in California was on the phone last week: “We need a flux with greater activity!” He said. Choking down comments like “M...
Pb-Free Solders are Not the Cause of Tin Whiskers
Tin Whiskers growing between pure tin-plated hook terminals of an electromagnetic relay. Image courtesy of nepp.nasa.gov ......
Dispelling 10 Myths about Nitrogen Reflow (part II)
...and we’re back with more nitrogen and inert soldering myths. Part I of this post can be found here. Myth 6: “I turned on......
Dispelling 10 Myths about Nitrogen Reflow (part I)
In my twenty years in the electronics manufacturing industry, I have heard a lot of claims made about the use of nitrogen in inerted soldering ...
How Much Metal is in Solder Paste?
Something that seems counter-intuitive to many customers, yet seems obvious to a rheologist is why the percent metal loading of solder paste vari...
Inextricably Intertwined
A passage from Metals Handbook, Volume 6, 1983Ӕ According to the Encarta Dictionary that......
Share Your Solar Images
Do you have interesting pictures of a solar installation, solar cells, or solar module assembly that you’d like to share?span......
Answers to “Evaluating Someone for DOE etc”
Folks, I posted this a while back. The solutions are in red. Suppose you need to select a consultant or verify the qualifications of some...
Big Bucks, Big Bucks, No Whammies!!!
If you are like me, when you hear the term “whammy” you think back to the 80’s game show called Press Your Luck. The electroni...