Category Archives: Dr. Ron

Materials expert Dr. Ron Lasky is a professor of engineering and senior lecturer at Dartmouth, and senior technologist at Indium Corp. He has a Ph.D. in materials science from Cornell University, and is a prolific author and lecturer, having published more than 40 papers. He received the SMTA Founders Award in 2003.

Alloy Metal Weight Fraction Calculation

Iasad writes, “Dear Dr. Ron, I see that you have developed software to calculate the density of an alloy if given the weight fractions of the constituent metals. Is it possible to find the weight fractions of the metals in … Continue reading

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Solder Alloy Density Equation: Why What Most People Think is Right is Wrong

Folks, It’s hard to believe but I have been blogging for over 10 years. In all of this time, with the hundreds of posts I have made, the most popular topic by far has been calculating density in a metal … Continue reading

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Full Autonomous Autos: Decades Away and In Need of Unprecendented Reliability

Folks, Since writing my last blog post, there continues an unending litany of articles about the imminent arrival of the self-driving car. I stand by my position that a fully functional self-driving car is decades away. Let me discuss why. I … Continue reading

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Self-Driving Vehicles Will Require Unprecedented Reliability

Autonomous (driverless or self-driving) cars will require unprecedented software and hardware reliability. This need may require double or triple redundancies in some critical systems. Those of us in electronics assembly think first of the reliability issues with hardware, but software concerns … Continue reading

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Smartwatches Will Never Be A Dominant Technology

Folks, We saw a while ago that the decline in sales of PCs, tablets, and smartphones is easy to understand.  There are two main drivers of this trend: The market is saturated. In other words, almost everyone that wants one … Continue reading

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PCs, Tablets, and Mobile Phones are not Dying (and Will Continue to Present Voiding Challenges)

Folks, Looks like Patty and Rob are on another adventure.  Let’s look in …. Patty had been driving the same 2001 Saab station wagon since college. It had been a great car, but, with almost 200,000 miles on it and … Continue reading

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Using Solder Preforms to Reduce Voiding in BTCs

Folks, Let’s see how Patty and the team are doing on their presentation on voiding for Mike Madigan … Patty was kind of down. Like millions of others, she and Rob watched, in horror, as Jordan Spieth had his meltdown … Continue reading

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To Minimize BTC Voiding, Start with the Right Solder Paste

Let’s see what’s up with Patty …. Patty was just dropped off at O’Hare airport after finishing a 3 day workshop on Lean Six Sigma statistics, design of experiments, and statistical process control. Interestingly, the students were lawyers. In recent … Continue reading

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BGA Voiding in Electronics Assembly

Patty had to admit that the last few weeks were exciting.  Her talk to US Army Rangers and Navy Seals on critical thinking went really well.  Now, the local newspaper was asking her to comment on political polling in the … Continue reading

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Voiding: A Critical Issue in Electronics Assembly

Folks, Looks like Patty and the team have a new assignment from Mike Madigan. Let’s look in …. Patty had just waved to her twin boys as they got on the school bus when her mobile phone rang.  The voice was … Continue reading

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