HEIDENHAIN’s new LIP 6000 miniature linear encoder system, consisting of a scanning unit and glass scale, has the unusual capability to measure to 2 nm resolution with high speed of 4m/sec at long ...
It takes considerable time and effort to manufacture “perfect” surfaces. The mirrors on NASA’s James Webb Space Telescope, with a surface area of about 25 m 2 and finished to accuracies of 25 nm, took ...
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