A Look Inside the Solder Flux Pen
Here is a picture of an Indium Corporation solder flux pen, sectioned to show you the internals. Who DOESN’T want to see THAT, right?!? Fl...
Rework
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...
Good Reads
Folks, If you need to take a break from topics such as solder paste, solder preforms, tin whiskers, indium TIMs etc, there are a few books I would r...
Flux Pens for Hand Soldering Solar Cells
A few months back, while discussing tricks for hand soldering c-Si solar cells, I mentioned flux . One tip I didn’t mention is how to APPLY......
How Low is Low Temperature in Soldering?
Do you ever have a need for a “low temperature” solder (meaning an alloy that melts at less than 175C)? You may have delicate components t...
Happy Birthday Indium Corporation!
March 13th is the 78th anniversary of the founding of Indium Corporation. Dr. William S. Murray, J. Robert Dyer JR, and Daniel Gray combined to ...
Effecting And Evaluating Tabbing Ribbon Bond Strength, Reliability, And Performance
Readers have asked how to visually assess a tabbing ribbon interconnection after a bond test. This image is a cell that has been bond tested after sol...
Hand Soldering Recommendations for Solar Module Assembly
Here is a list of tricks to help you overcome the issues that can arise while hand soldering silicon-based solar cells (and other applications as well...
Solder Paste Expiration / Shelf Life
Solder paste is comprised of powdered solder alloy suspended in a flux vehicle. There is a group of flux ingredients that is generically identified as...
QFN Reliability in SMT Electronics Assembly
Folks, Let’s look in on Rob: Rob looked at the new photo of Patty and their twin sons Peter and Michael. What a handful those two 18 month-...
Solving Solder Starvation in SMT Electronics Assembly
Solder starvation is a serious electronics assembly issue – with a very simple solution. Solder starvation occurs when adequate volumes of solde...
Humidity and Solder Paste Do Not Mix
Unbeknowst to me, the refrigerator where I store my solder paste and fluxes that I use for SIR (Surface Insulation Resistance) testing was.....