Halogen-free Fluxes: Standards Status Report
As a supplier of electronics materials, Indium Corporation is constantly faced with customer requests for “halogen-free” (HF) soldering fl...
Dr. Andy Mackie's Blog
Solder Paste: Drying Out or Relaxing?
Had some very interesting conversations at the IWLPC show last week, as always: one discussion was with my good friend Jeff Schake of Dek. He knew I h...
Eight Random Things I Learned at IWLPC 2009
Why 8 random things? Because that’s the number of random things I’ve got listed below, that’s why – do I look like Letterman? ...
NanoFoil(R) - Nanotech comes to Indium Corporation
I just sat down to talk to Tommy Acchione (pronounced “akki-OWN”) Applications Engineer with Indium Corporation’s new product ...
INTERVIEW: Steve Adamson, Asymtek: Electronics Fluid Dispensing
Steve Adamson of Asymtek I had the......
Flux Residue Levels: Not as Simple as you Think
After you’ve reflowed solder in contact with a flux, you’re always left with a certain amount of flux residue. There are no clear industry...
Canada Considers Banning Resins/Rosins
Got contacted last week by Tony Hilvers of the IPC (Association Connecting Electronics Industries). Tony tells me that the Canadian Government is...
INTERVIEW: Klaus Roehmer: PINK Vacuum Reflow
Figure 1: 15% Voiding with air reflow Figure 2: ~0% Voiding after vacuum reflow ......
INTERVIEW: Dr Jennie Hwang: World-Renowned Solder Expert
Dr Jennie Hwang I recently had the opportunity to discuss several issues in Pb-free die-attach and other solder applications with Jennie Hwang Ph...
Effect of Powder Size on Solder Paste (part II)
... and we’re back now with the real situation of solder powder size and its effect on solder paste rheology. Size distribution – Real sol...
Effect of Particle Size on Solder Paste (Part I)
A well-respected colleague asked this week if the metal loading of type ‘4’ solder powder in a paste was lower than that for type ‘3...
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...