Precision mechanics, optics

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Display glass defects

A special measuring system has been developed for the quality control of display glass. The glass pane is placed on a measuring table by a robot. A measuring arm with several confocal sensors traverses ...

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Display glass / flat glass thickness

A special measuring system has been developed for the quality control of display glass. The glass pane is placed on a measuring table by a robot. A measuring arm with several confocal sensors traverses ...

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Automatic winding of glass fibre cables

An even and tight winding must be maintained for the automatic winding of glass fibre cables on drums. scanCONTROL 2800 profile scanners are used for monitoring the coiling machine. They monitor the windings ...

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Measurement of contact lenses

The object must endure various tests during the search for new materials for contact lenses. In doing so, the lens is located in a small case with saline solution. The lenses are inspected in the case ...

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Thickness measurement of dies

When optical data carriers are produced, the data are initially transferred to a master. Depending on the number of copies, different dies made of nickel are produced from the master by galvanisation. ...

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Distance measurement at 4 degrees Kelvin

In Atomic Force Microscopy (AFM), positioning units are used to move samples for surface topographies. In doing this, the sensor head of the microscope needs to be cooled down to four degrees Kelvin using ...

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Layer thickness measurement (non contacting)

Layer thickness measurement belongs to the group of one-sided, non-contact thickness measurement. Basically, only the layer thickness of electrical insulators can be measured for opaque objects. An eddy ...

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Displacement sensor for nanopositioning tasks

Very small displacements, both static and dynamic, are normally generated by piezo actuators. High precision displacement sensors ensure that these displacements are measured to the required nanometre ...

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