Posted On: July 6th, 2021 | By: Dr. Ron Lasky

Belated Happy Birthday RoHS

Folks, Happy Birthday RoHS! A milestone occurred, and it seemed to be missed: RoHS celebrated its 15th birthday on July 1st! For those new to electron...

Posted On: June 21st, 2021 | By: Dr. Ron Lasky

Calculating Total Downtime

Folks, Downtime calculations can be a bit confusing. Most people would assume that if a line has 4 machines and they are each down for 5% of the time...

Posted On: June 6th, 2021 | By: Dr. Ron Lasky

Hypothesis and Confidence Interval Calculations for Cp and Cpks

Folks, I am re-posting an updated blog post on Cp and Cpk calculations with Excel®, as I have improved the Excel® spreadsheet. If you wou...

Posted On: May 9th, 2021 | By: Dr. Ron Lasky

Gallium: An Interesting, Versatile Material

Folks, It is natural to expect that Indium Corporation is the premiere supplier of indium metal, solder pastes, preforms, compounds, and chemistry sol...

Posted On: April 30th, 2021 | By: Dr. Ron Lasky

Answers to SMT Quiz

A few weeks ago, I posted an SMT quiz on my blog. We received 178 responses, which seemed very good to me. Working with my Indium Corpo...

Posted On: April 13th, 2021 | By: Dr. Ron Lasky

Take the SMT Quiz and Perhaps Win a Prize

Folks: Do you know how much copper is in SAC305 solder? What about the most typical solder paste powder diameter? These questions, and eight others, a...

Posted On: April 11th, 2021 | By: Dr. Ron Lasky

Solution to Moore's Law

Folks, In a recent post, I discussed Moore’s Law. I challenged readers to solve for "a" and "b", from the equation a*2^(b*(y...

Posted On: March 29th, 2021 | By: Dr. Ron Lasky

Still Much Hype Around AI and Industry 4.0

Folks, I recently read an article about “Lighthouse Factories” which appear to be implementations of Industry 4.0. It is encouraging that ...

Posted On: March 18th, 2021 | By: Dr. Ron Lasky

Tin: The Foundation Metal of Soldering

Folks, The vast majority of solders used in electronic assembly have, as their base metal, tin. There are some specialty gold solders, like gold-co...

Posted On: March 14th, 2021 | By: Dr. Ron Lasky

Checking Moore’s Law

Folks, Moore’s Law was developed by Gordon Moore in 1965. It predicted that the number of transistors in integrate circuits would double approxi...

Posted On: February 28th, 2021 | By: Dr. Ron Lasky

SMT Assembly is an Optimization Process

Folks, SMT assembly is an optimization process. There is no single stencil printing process for all PWB designs. The stencil printing parameters of st...