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...
Solder Alloys
What is a “Pasty Range”?
Image from Metals Handbook”, Volume 6 (1983) When it comes to solidus and liquidus temperatures, things aren’t just black and......
Corrosion of Indium-Base Solders
Indium TIMs are not susceptible to this type of metallic corrosion. Image courtesy of www.moonraker.com.au/techni/news2.htm ......
Soldering to Gold
In previous posts, we have mentioned soldering to gold, but never discussed the unique processing aspects related to this. div sty...
Soldering to Gold with Au/Sn or Tin Solder
Various assemblies utilize solders, including Au/Sn and tin solder, for thermal attachments. These solders perform multiple functions: 1)s...
Tabbing Ribbon Flux for Solar Assembly
If you’re new to PV module assembly (tabbing in particular), you’re probably trying to get a feel for all the needed materials.&nbs...
Soldering to Non-Metallics with Indium
Soldering to non-metallics is of interest in numerous applications. Bonding to crystal, ceramic or glass is requested commonly. One of the best materi...
Nickel Felt Applicator
I’ve always thought that the “nickel felt applicator” needs some explaining. …And a picture. …Heck, why not ...
Microspheres for MEMS
Sick of trying to find “off the shelf” solder spheres to fit your application? We make microspheres on......
Controlling Junction Temperature of LEDs with Thermal Management Materials
The junction temperature in an LED (the p-n junction temperature) is most critical to consider for LED cooling. If this temperature rises above t...
Standard PV Interconnect Ribbon Sizes
I probably should have mentioned in my last post, you don’t need to start from scratch. Here are......