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Showing posts from November, 2026

How to Choose a Reliable Digital Micrometer for a Shop Floor

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  A micrometer is only useful if you can trust the number on the display. On a shop floor, that trust is tested every day by coolant, dust, fast-paced work and different operators. Here is how to judge whether a digital micrometer will hold up. Start with the measurement job Before comparing models, write down what you measure. Think about the tolerance, the size range and where the work happens. A micrometer used in a quality lab faces different demands from one used beside a machine tool. Consider who will use it too. If several operators share the tool, consistency matters more than any single feature. Resolution and accuracy Resolution is the smallest change the display can show. Accuracy is how close the reading is to the true value. They are not the same thing. A display can show very fine steps and still be less accurate, so check both. One high-accuracy digimatic outside micrometer in the Series 293 lists 0.1 μm resolution, a 0.1 μm absolute rotary sensor and ...

Metrology in the Semiconductor Industry: Measuring What Matters on the Production Line

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  Semiconductor manufacturing works at a scale where small errors have large consequences. A probe card that is slightly out of alignment or a lead frame that drifts out of tolerance can cost yield further down the line. This is why metrology sits at the centre of the process, not at its edge. Why measurement matters so much Metrology is the science of measurement, and in semiconductors it supports process control, quality checks and failure analysis. Every stage produces parts with tight tolerances, and each part has to be verified before it moves on. The aim is simple. Catch problems early, understand why they happen and keep the process stable. Good measurement turns guesswork into data that engineers can act on. Where measurement is needed Three areas show how broad the need is. Probe cards, lead frames and micro-scale features each present a different challenge, and each calls for a different measuring approach. A single tool rarely covers all three well. Before you choose equ...