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Reliability Paradigm Shift From Time to Stress Metrics

Reliability Paradigm Shift From Time to Stress Metrics

Traditional electronics reliability engineering began during the period of infancy in solid state electronic hardware. The first comprehensive guide to Failure Prediction Methodology (FPM) premiered in 1956 with the publication of the RCA release TR-1100:  “Reliability Stress Analysis for Electronic Equipment” presented models for computing rates of component failures.  “RADC Reliability Notebook” emerged later in 1959, followed by the publication of a military handbook know as  that addressed reliability prediction known as Military Handbook  for [Read more…]

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What will Advance Reliability Engineering?

What will Advance Reliability Engineering?

In all aspects of engineering we only make improvements and innovation in technology by building on previous knowledge. Yet in the field of reliability engineering (and in particular electronics assemblies and systems), sharing the knowledge about field failures of electronics hardware and the true root causes is extremely limited. Without the ability to share data and teach what we know about the real causes of “un-reliability” in the field, it is more easily understood why the belief in the ability able to model and predict the future of electronics life and MTBF continue to dominate the field of electronics reliability

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For Maximum Test Value, Take it to the Limit!

For Maximum Test Value, Take it to the Limit!

When we go to an automobile race such as the Indianapolis 500, watching those cars circle the track can get fairly boring. What is secretly unspoken is that everyone observing the race is watching for a race car to find and sometimes exceed a limit, finding a discontinuity. The limit could be how fast he enters a curve before the acceleration forces exceed the tires coefficient of friction, or how close to the racetrack wall, he can be before he contacts it and spins out of control. Using the race analogy, [Read more…]

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3 Elements of Reliability Goal Setting

3 Elements of Reliability Goal Setting

Embarking on a product development project contains many aspirations, including that the product should work as expected.

The device functions and does so over time. Enough time for the customer to deem the device reliable.

That is one way to approach setting a reliability goal for a project. Estimate what will delight the customer. Set a target for how long without failure your new design function.

The goal provides a focus for the team. [Read more…]