Join Me at SMTAI
Folks, I will be speaking at SMTA’s 25th anniversary dinner at SMTAI on Monday, October 5 at 6:30 PM. Come and join me......
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...
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...
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...
Mixed Alloy Wetting for SAC BGA Assembly Using Sn63 Solder Paste
Have you ever wondered about what happens to a Pb-free Ball-Grid Array (BGA), with Tin/Silver/Copper (SAC) spheres in a Tin/Lead (Sn/Pb) proces...
Everyone Makes Mistakes
This is something you may have run into if you’ve ever manually dipped and placed PoP components.span style="mso-spacerun:......
No-Clean Flux
You may notice that many of the solar grade fluxes and solder pastes are designated ‘no-clean’. This classification......