Tag Archives: Patty and the Professor

In Electronics Manufacturing, Does Cpk =1 Yield 66,800 DPM?

As Patty was walking past the Professor’s office on her way to see Pete and Rob, she decided to drop in. “Professor, I got the strangest phone call. A man claimed he had invented a machine that could create energy,” Patty … Continue reading

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Using the Coffin-Manson Equation to Calculate Thermal Cycles

Folks, Let’s look in on Patty and friends …. Patty, Rob and Pete were headed to their regular monthly meeting where they, along with the Professor, discussed a book they were all reading.  This month’s book was about General Leslie … Continue reading

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Failure Rate Calculation

Folks, Let’s see how Patty, Rob, and Pete are doing helping Mike Madigan establish his Zero Defects program. “So let me see if I got this straight: if I want to establish that the defect rate is 1 per million … Continue reading

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The Rule of 3/N for Estimating Field Failure Rates

Folks, It looks like Patty is a bit troubled…. When she was younger, Patty was always annoyed by cranky old people, and now she was worrying that she might become one. The trigger making her cranky was what students know … Continue reading

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Phil Zarrow Weighs in on Productivity

Folks, I ran into good friend Phil Zarrow the other day. Phil, Jim Hall, and I developed the SMTA Certification Program. We ended up chatting a bit about productivity, one of my favorite topics. Ron: Phil, you have likely visited … Continue reading

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Wave Soldering is Here to Stay

Patty was just getting ready to leave her office for a bi-weekly luncheon with the Professor, Pete, and Rob. They had regular meetings like this to discuss new technical topics or to review books. It was Patty’s turn to take … Continue reading

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Electronics Assembly Process Optimization

Mike Madigan was not used to feeling intimidated.  After all, as the CEO of ACME, a multi-billion US dollar EMS company, he was used to doing the intimidating.  However, he had just finished a meeting with the CEOs of his … Continue reading

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The False Positive Paradox

Folks, Let’s check in on Patty… Patty was intensely preparing a lecture on Bayes’ Theorem. She always felt that this theorem was the most profound in probability and statistics. She remembered a real application, when her best friend took the … Continue reading

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Demonstrating Zero Defects In SMT Production?

Folks, let’s see how Patty is doing at Ivy U … Patty had to admit that she really liked being a professor at Ivy University. No, that wasn’t strong enough; she was ecstatic. The combination of the stimulating and collegial … Continue reading

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Comparing Two Wiebull Distributions

Folks, Let’s look at Patty’s last day of class … As she was driving north to teach her statistics class, Patty was sad to see her stint at Ivy U come to a close. She was even more nervous about … Continue reading

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