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 ...
No-Clean Flux
You may notice that many of the solar grade fluxes and solder pastes are designated ‘no-clean’. This classification......
Wafer-Level Microsphere Bumping (Flux)
90um flux deposits on silicon (Follows this post) span style="font-size: 10pt;......
Soldering to Gold
In previous posts, we have mentioned soldering to gold, but never discussed the unique processing aspects related to this. div sty...
Water Wash Solder Pastes and Halogen-Free
The question often arises as to whether or not a water wash solder paste should be halogen-free. Since halogen-free is fundimentally an environm...
Solderspatter: Solder Paste in Unexpected Places
Figure 1: Solderspatter (soldersplash) on Gold/Nickel Figure 2: Phase Inversion during Reflow ......
What flux do you use for indium?
Don’t’ expect a simple answer – that depends on your application. span......
Surface Preparation for Flux-less Reflow – The Solution
I can’t promise that every gold-indium or copper-indium soldering process can work without a flux, but there are tricks to give you a better cha...
Semiconductor Packaging Industry Trends for 2009
A recent interview with Andy Mackie,(Ph.D., Indium Corporation)in Advanced Packaging Magazine helped shed some light......