Wafer-Level Microsphere Bumping (Flux)
90um flux deposits on silicon (Follows this post) span style="font-size: 10pt;......
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...
Another Method to Determine Solder Reflow Profile: Thermal Profiler or DSC
Differential Scanning Calorimeter (TA Instruments Q100) The optimal solder reflow profile for a given assembly involves a peak reflow temperature that...
Take Care Mixing Solders in Rework
Folks, Recently someone asked me about reworking a SAC305 solder joint with a SnBi solder. The reason to consider SnBi was that the lower melting...
Solderspatter: Solder Paste in Unexpected Places
Figure 1: Solderspatter (soldersplash) on Gold/Nickel Figure 2: Phase Inversion during Reflow ......
Is Sn/Cu Alloy a Good Choice for Solder Paste?
Folks I was chatting recently with Indium Corporation’s Mike Fenner about Sn/Cu alloys for solder paste. Mike has many years of experience ...
Enlist the Experts before Choosing a Solder Alloy for Chip Attach
A few of Indium’s solder experts ready to assist. I am well aware that many of you are now working in stressed out, short-handed workplaces and ...
Ed Briggs Weighs in on "Graping"
Folks, Recently I caught up with Ed Briggs, a member of Indium Corporation’s technical staff. I asked Ed if he would share with us his tho...
An Interview with Seth Homer
Seth Homer is a Product Support Specialist for Engineered Solder Materials. He’s like a Green Beret or Navy Seal of solder preforms...
Other Benefits of a Good Solder Joint
Proper solder joints provide mechanical, electrical, and thermal interconnections that are reliable over the course of a product’s lifespan. spa...