Physics and Technology & Software

Sustainable compounds for efficient flotation purification processes

Sustainable compounds for efficient flotation purification processes

The technology comprises switchable materials for selective and efficient flotation purification processes, which are for instance tuned for the recycling of electronics and mineral processing.

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Efficient fixation of pelvic ring fractures

Efficient fixation of pelvic ring fractures

The technology enables a simultaneous fixation of the anterior and posterior pelvic ring fracture, in combination with an adaptive force control and efficient compression of fracture gaps.

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Nanofluidic voltage generator

Nanofluidic voltage generator

A self-powered device comprising a plurality of nanochannels is presented, which is capable to generate an impressive voltage induced by mechanical load.

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Commercial vehicle lightweight chassis

Commercial vehicle lightweight chassis

The non-driven and rigid utility vehicle chassis offers significant lightweight advantages, improved suspension properties and a built-in wheel alignment mechanism.

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Sustainable composite materials and functional structures

Sustainable composite materials and functional structures

A process technology is suggested, which enables an efficient manufacturing of functional composite structures with a plant-based core material and relatively short processing times.

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Efficient frequency selective signal filtering

Efficient frequency selective signal filtering

A signal filter and an efficient procedure are presented, which enable the online filtering of interferences with known frequencies with a minor or rather no phase loss and accordingly without signal delay.

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Micro-structured black titania surfaces

Micro-structured black titania surfaces

We present a new technology which leads to the development of surface micro structures and a black appearance of Ti containing, commercially available glasses by irradiation with an excimer laser (ArF laser with 193 nm wavelength and 20 ns pulse duration). The technology can be accomplished in a standard air environment and does not require vacuum or inert gas.

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Hub and shaft-hub connection

Hub and shaft-hub connection

A novel hub for a free from play transmission of relatively high torsional moments between a shaft and a hub is presented. Moreover, versatile applicable hubs are suggested, by considering manufacturing and supply effort and component variety.

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Mechanical propeller emergency stop mechanism

Mechanical propeller emergency stop mechanism

A technology for the mechanical stop of one or multiple rotating propellers is suggested. The emergency propeller stop is achieved by combining a material-mediated engagement mechanism with temporal coordination of rotor contact.

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Effiziente Entfernung von Restsauerstoff aus Inertgasen

Effiziente Entfernung von Restsauerstoff aus Inertgasen

Ein hocheffizientes Verfahren zur Entfernung von Restsauerstoff aus Edelgasen wird vorgeschlagen, das den Einsatz hochreaktiver Substanzen umgeht und die Verunreinigung von Edelgasen vermeidet.

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Efficient removal of residual oxygen from inert gases

Efficient removal of residual oxygen from inert gases

A highly efficient process for the removal of residual oxygen from inert gases is suggested, which bypasses the use of highly reactive substances and avoids contamination of inert gases.

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Power sensor for cold atmospheric pressure plasma

Current transformer as power sensor for cold atmospheric plasmas

This compact and cost-effective technology facilitates a real-time, simultaneous measurement of plasma voltage and plasma current with a combined device in the high-voltage circuit of a cold atmospheric plasma. The system exhibits a good time resolution and enables a live plasma self-regulation.

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Self-locking connection hook

Self-locking connection hook

The invention describes multifunctional, self-locking connection hook elements, which combine features of a rigging plate and a hook in one component. The components can be produced cost-effectively from plastics and metals.

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Biobased adhesive formulation

Biobased adhesive formulation

A novel production method for a biobased adhesive, which comprises a tailored lignin structure as main component, is presented. The process technology overcomes the use of toxic phenol and formaldehyde, while the resulting adhesive exhibits good physicochemical and mechanical properties.

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Flexible hollow fiber for pulse compressors

Flexible hollow fiber for pulse compressors

A stretched flexible hollow fiber is proposed as a waveguide in high-energy pulse compressors. This approach leads to superior straightness virtually independent of the fiber length. It is particularly well suited for fibers with inner diameters much larger than the wavelength, where the main limitation for the fiber length is losses due to undesired fiber bending.

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Z-shifter - diffractive labeling of curved surfaces

Z-shifter for diffractive labeling of curved surfaces

The newly developed method allows for shifting of the interference plane in the Z-direction during diffractive marking of surfaces with a grating interferometer. Plane-parallel plates are used, the rotation of which introduces a beam offset that causes a Z-shift of the interference plane when the beams are combined.

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Superimposed CGHs using laser ablation of diffractive pixels

Superimposed CGHs on metals using laser ablation of diffractive pixels

A special interference process allows the fabrication of computer-generated holography (CGH) as carrier of information which can’t be recognized with the human eye. The CGHs consist of N * M pixels which, when illuminated with coherent light, generate an imagine with the same pixel dimensions in a Fourier plane. Several CGHs can be written on the same area. When illuminated with the same coherent reading beam, they appear separately in different directions (diffraction orders).

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