First Visible Light LED Turns 50!
It is hard to believe, but 50 years ago, on October 9th, the first visible light LED was demonstrated by Nick Holonyak, Jr. of GE Advanced......
Soldering Materials
Ultrasonic Testing a NanoBond® Solder Bond
Ultrasonic Testing (UT), performed by acoustic microscopy, is a great way to determine the quality of a solder bond without destroying the assembly. ...
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...
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...
An Interview on 3D-MID technology with Nouhad Bachnak of Cicor
About a month ago I posted about the various 3D technologies (chip creation, packaging and printed circuit boards) that are being used to op...
Get SMT Process Engineer Certified @ SMTAI!
Folks, This year will mark the 10th anniversary of SMTA’s SMT Process Certification Course. This course was developed by Jim Hall, Phil Za...
Indium Gallium Physical Properties Stretch The Limits
Individually, indium and gallium each have some pretty interesting characteristics. Gallium is liquid at 30°C (86°F) and, because it is less 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 ...
3D Electronics
Browse the coming attractions at your local movie theater. How many 3D movies are being advertised? 3D is a very exciting technology for m...
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...
SIR and ECM Testing For Water-Wash Solder Paste Fluxes
It is not often that we get a request for SIR (Surface Insulation Resistance) and/or ECM (Electro-Chemical Migration) results for a water washable/sol...