Cats Eye, excellent performance thanks to superb mechanics

The Cats Eye is an optical instrument for ESO, and is part of the Very Large Telescope Interferometer (VLTI). This system is built on top of the mountain Cerro Paranal in the Attacama desert in Chile. The delay lines, and in particular the Cats Eyes, make sure that the optical path length through telescope 1 and 2 from the incoming wavefront to the detector is identical to within 20 nm.

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References

Order of frictions and stiffnesses…

For lumped systems consisting of different frictions and stiffnesses, there has been confusion in literature about hysteresis curves and virtual play for many decades.

Make it clean

In mid-April, the second edition of the Manufacturing Technology Conference and the fifth edition of the Clean Event were held together, for the first time, at the Koningshof in Veldhoven (NL).

Bringing particles to light

Particle contamination monitoring and cleanliness control are fundamental to micromanufacturing processes across diverse industries to achieve cost-effective production of high-quality and reliable microscale devices and components.