Ultrasonic Transducer Product Development Consulting
Reliability vs. Variability
Are you concerned about reliability?
Are you concerned with the reliability of your ultrasonic transducer? Are you concerned about delamination, fracture, and depoling? You can solve this by utilizing a deep understanding of your transducer to reduce variability based off of the universal principle that higher power operation results in more failures.
Let me give the world's most simple solution to the problem of reliability- just use less power.
You may pushback and say that the performance is going to get worse if you do that.
If you want to reduce power without negative consequences, you need to tighten up variability.
An example
For example, say your performance spec requires 3um of displacement and your current devices run at 5um +/- 1.5um. In order to improve reliability you need to reduce the performance to 4um with a variability of +/-1.0um.
The moral
The easy way to fix reliability is to spend more money on a tougher design. The elegant way to fix reliability is to use a deep knowledge of factors causing variability to reduce variation and bring the mean level of performance closer to the necessary specifications.
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