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Solder Paste for Low Temperature and Pb-Free Applications
There are a lot of parameters to consider when choosing the right solder for your application: 1) The operational temperature of the final device 2) The metallizations that you are soldering to 3)
Special Cause and Common Cause Variation and Knob Twiddling: continued
Folks, Let’s see how Pete is handling the wave solder crisis. Pete had to admit that he was surprised by the positive outcome of his meeting with Fred Castle. He had sent Patty a text the day
Happy Birthday Hieronymus Theodor Richter: co-discoverer of indium metal
Today we celebrate the birthday of the co-discoverer of indium, Hieronymus Theodor Richter. Hieronymus Theodor Richter (pictured left) (21 November 1824 – 25 September 1898) was a German
Where is Tin Silver Solder, Now That You Need It?
Over the years, solder alloy choices have been pretty stable. In the last century, SN63 and SN62 could be foundat any company making any kind of electronic device, and both alloys were the backboneof
My Favorite NanoBond® Application Note
We commonlyreceive questions like: “Can NanoFoil® be used to bond silicon?” or, “What surface flatness do I need to NanoBond® this
Activation of NanoFoil®
NanoFoil® is described as “reactive multilayer foil”. It is comprised of many alternating layers of aluminum and nickel which are each only nanometers thick. These layers are waiting in close
Special Cause and Common Cause Variation and Knob Twiddling
Folks, It's been a while. Let's look in on Patty…… Patty stared, bleary eyed, at her laptop screen. It was the day after the election. She and Rob were following the election
Thermal Activation of NanoFoil®
Don’t throw away that solder iron yet! There are many ways to activate NanoFoil® with heat. All that’s needed to start the reaction is to heat the foil to ~200°C at a rate of
Electrical Activation of NanoFoil®
If you have ever witnessed one of our NanoFoil® demonstrations at a tradeshow, you may remember we used a 9-volt battery to activate the material. Yes, it can be that simple – especially for parts
The NanoBond® Reaction
One of the key points to understanding a NanoBond® application is understanding the reaction that takes place. When NanoFoil® is activated, the nickel and aluminum bilayers (picture on left) start
Wave Propagation of NanoFoil®
The NanoBond® reaction is activated at one or more points and travels throughout the
Heat Dissipation During a NanoBond® Reaction
One of the best parts of using NanoFoil® to create a bond with dissimilar metals or heat sensitive components is that the heat it creates is quickly dissipated before it can heat up areas outside
Heat Penetration During a NanoBond® Reaction
One of the great reasons to use a localized heating method like NanoBonding is to make sure the entire assembly is not heated – only the bond
How to Solder a Wire to a Pad
It seems like a fairly simple thing to do. What could be difficult about soldering a wire to a pad? Well, I hear three common complaints and expressions of frustration: POSITIONING: Typically, in
Optical Activation of NanoFoil®
Lasers and fiber optic waveguides can be used to activate NanoFoil®. Why would you want to use a laser to do this? It lends itself to automation: Imagine a part moving into position, the laser
NanoFoil® X and Y Dimensions
The easiest way to have NanoFoil® parts customized for your NanoBond® application is to let us cut them for you. There are many ways to trim the foil, each method has advantages and
Can Your Mortality Be Modelled with The Weibull Distribution?
Folks, In the last posting, we saw how Weibull analysis helped us to determine that SACm® lead-free solder (SAC105 with about 0.1% manganese) has comparable (actually better) thermal cycle
Choosing the Best Metallization for your NanoBond® Application
Since the NanoBond® process is almost instantaneous, fluxes are not used. (They just don’t have enough time to heat up to their activation temperature and remove oxides.) So, because this
Aligning NanoFoil®
I’ve spent a fair amount of time aligning NanoFoil® and parts lately, and I’ve learned that aligning the assembly uniformly in z axis is as important as the x and y
Weibull Analysis of Solder Joint Failure Data II
Derivation of the Weibull Graph Folks, Last time we introduced Weibull analysis. Let's now derive the relationships needed to calculate the slope, beta, and characteristic life, eta. F(t) is the
Indium Seals
Due to its softness and compressibility, indium is ideal for use in creating a seal. Let's get right into it: Indium preforms are commonly used to create seals. The preforms are made into an
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