Computer-implemented method for checking and correcting of TDR impedance profiles
The technology includes software algorithms and methods for the precise analysis and correction of impedance profiles in the field of time-domain reflectometry.
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Switchable adsorption materials for selective separation processes
The patented technology enables a selective adsorption and efficient separation of metal cations and metal-containing anions from complex solutions.
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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
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
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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Efficient reduction of brake dust by filter sealing and housing design
The technologies comprise novel designs for brake dust filter hoods, which enable an efficient, contact-free capture and filtering of brake dust generated by vehicles with disk brakes.
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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
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
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
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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ADSYNX - Adaptive Control Method for Signal Synchronization
The ADSYNX technology provides a fast and adaptive method for the synchronization of different signals (skew compensation) for any electrical or optical system up to the GHz regime.
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Diffractive marking of glass
This method provides a fast and efficient way for producing diffractive markings - by ablation of small amounts of material - on glass surfaces. The micro relief, which remains, is producing brilliant spectral colors, when illuminated.
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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
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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Plasma electrodes for pulse energy enhancement
A technology for the generation of a non-thermal plasma with enhanced pulse energy is presented. Electrodes are tailored with charge collecting elements, which trigger enhanced pulse energies in plasma filaments and a targeted formation of filamented discharges.
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Efficient generation of plasma-activated aerosols
Solutions for an efficient generation of plasma-activated aerosols with high activities are suggested. A cold plasma is ignited directly in the presence of sprayed liquid droplets, leading to intercalation of reactive species on the surface or in the volume of droplets.
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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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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
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
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
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 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 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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STED principle for laser back ablation
This innovative approach combines the two known methods of Laser Induced Backside Wet Etching (LIBWE) and Stimulated Emission Depletion (STED) to realize laser based material modifications below the diffraction limit. This is especially useful for precision laser modifications of transparent materials.
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Figure correction of glass substrates
Unintentional deformation of optical substrates is a common issue in optics technology. The mechanical stress in thin films can have a deleterious effect on the quality of the optical components by deforming the underlying substrate. This patent describes a figure correction method bases on stresses induced by irradiation of glass substrates with an excimer laser.
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Preconnection element for the protection of hollow fibers
This invention is a further development to the flexible hollow fiber for pulse compression which was also developed at the Institut für Nanophotonik Göttingen e.V. (see Ref.: MM-2010-LLG). When laser light is coupled into hollow fibers, the problem often arises that parts of the light distribution can penetrate the thin wall (50-300 μm) and damage it by erosion/ablation/melting. This preconnection element provides a solution approach.
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Embedded flexible hollow fiber
The technology describes a method to fabricate a virtually ideal wave guide for spectral broadening and high damage threshold. This is achieved by embedding a flexible hollow fiber at ideal straightness in a stretched stat in a thermally conductive solid medium, combining high transmission and high robustness even when high laser powers are coupled in. It is an advancement to the flexible hollow fiber developed at the Institut für Nanophotonik Göttingen e.V. (see reference MM-2010-LLG).
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Efficient source of negative ions
A novel device for the generation of negative ion beams by means of alkali metal sputtering is suggested, which exhibits superior performance characteristics. Its design enables a simple and cheap fabrication, while system maintenance is easy.
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X-ray targets for generating x-ray radiation from a waveguide
These innovative multilayer x-ray targets allow the generation of x-ray radiation based on direct emission of spontaneous x-rays into waveguide modes. Photons are generated by electron impact onto a structured anode target, which is formed as an x-ray waveguide or waveguide array.
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Carbon PreForm - pre-prepared anode material
Lithium-ion batteries represent the decisive component with regard to electromobility. Their electrical parameters significantly determine the range and performance of the electric vehicles. The present patented technology enables a process for preparing the anode material before producing the actual battery.
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On-chip solid-state Zn-air microbatteries
A microimprint method for on-chip fabrication of Zn-air microbatteries is presented, which bypasses complications of catalyst incorporation on the chip at a target position and paves the way towards production of miniaturized, rechargeable energy sources.
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Mould and process for the extrusion of metallic materials
The invention describes moulding tools, which enable the production of extruded metallic parts with predominantly isotropic properties. In addition, a process is proposed, which favours the production of largely isotropic extruded parts with conventional extrusion presses.
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Cavity-enhanced Raman spectroscopy at reduced pressure
The method presented here provides a universal, selective, fast and efficient method for the identification of gaseous molecules based on cavity-enhanced Raman spectroscopy (CERS) at reduced pressure.
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Vertical Electrolyte-gated Organic Transistors
This invention presents a novel nanoscopic device design based on a vertical transistor structure that enables electrolyte-gated organic semiconductors to drive MA cm-2 currents combined with on/off ratios of 108.
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Extraction system for brake dust and tire wear
The innovative systems can efficiently extract the fine dust particles generated by vehicle disc brakes and tire wear. This can help to reduce the amount of particulate matter released into the environment.
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Brake dust filter hood with vortex generator and final separator
The innovative system can detach the boundary layer near the brake disc (which is loaded with brake dust particles) very efficiently and direct it into the filter mats. Overall, the amount of particulate matter released into the environment is significantly reduced.
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Novel technology to predict iron clogging and corrosion in water and hydraulic systems
Corrosion and iron clogging are commonly known problems in hydraulic systems. These phenomena are potentially causing great damage to the system or have negative impact on system performance. Scientists at the Leuphana University of Lüneburg developed a novel method to predict iron clogging in water and hydraulic systems.
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PLASMA-ROLLER for conditioning of surfaces
The PLASMA-ROLLER allowes to desinfect surfaces and/or activate surfaces for coating. A great variety of materials can be residue-free treated without using chemicals.
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Ultra-stable cryostage for cryo fluorescence microscopy applications
The invention relates to a sample holder to be used in cryo fluorescence microscopes or to simply and cost effectively upgrade a room temperature fluorescence microscope. The holder solves existing problems regarding thermal and mechanical stability of the sample and allows for a localization accuracy of a few hundred Angstroms.
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Flexible plasma electrode design for effective treatment of irregular surfaces
Surface activation or cleaning by cold plasma treatment is getting more and more attention. Current plasma based solutions have mostly fixed electrodes, which are only suited for planar surfaces. Scientists at the HAWK developed a plasma device with flexible electrodes, which allow treatment of irregular surfaces.
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Plasma device for tapes and other flexible materials
Surface activation or cleaning by cold plasma is getting more and more attention. Current plasma-based solutions for flexible materials however lack efficiency or are technically too complex and error-prone. Scientists at the HAWK developed a plasma roller device for effective and fast plasma treatment of flexible materials.
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Optical Image Scanning Microscope
The invented method allows to perform high-resolution Image Scanning Microscopy (ISM) purely optically. Very few additional optical components are necessary and the method is suitable for upgrading existing microscopes. The method can also be applied to Two Photon Microscopy.
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Plasma hand dryer
Here we present a hand dryer applying simultaneously an atmospheric-pressure plasma which reduces the amount of germs on the hand surface and in the ambient air significantly.
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Polarization Lightsheet Microscopy
This invention is an extension for lightsheet microscopy that uses the polarization properties of the analyzed specimen to acquire additional information or to enhance image quality.
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Filter-unit-with-microwave-resonator
Presented here is a filter unit that has one or multiple microwave resonators integrated into its filter material, whereby filter load can be monitored during operation. Thus, filter exchange intervals can be adjusted to actual filter capacity.
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LICE ERASER — reliably killing of head-lice and their nits
The LICE-ERASER kills the head-lice and their nits reliably and without any side effects. To use, the LICE-ERASER has to be moved through the hair like a hair-brush. The LICE-ERASER produces a cold plasma generated between the comb tooths, which kills the head-lice and their nits. This procedure is completely free of pain, the user will not feel anything.
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Improved method for alignment and sorting of cells in flow cytometry
Here we present two new methods for flow cytometry and fluorescence-activated cell sorting. Both methods are suitable for the so-called 'sexing' of spermatozoa as well as for many other applications of fluorescence-activated cell sorting and impose less stress on the sorted material than conventional techniques.
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Raman Refractometer Analyser Tool
The following invention represents a possibility to identify infusions when administered by an injection pump. The method involves a combination of Raman spectroscopy and refractometry. Both methods of analysis are based on instrumental analysis. Furthermore, algorithms are used for the evaluation which can be assigned to indirect hard modelling and statistics.
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CRISTAL - sample embedding for correlative microscopy
CRISTAL represents a novel biological sample embedding procedure that is based upon UV-curable resin that both fixes the specimen while simultaneously adjusting the refractive index. Additionally, the procedure further allows histological, electron microscopy or molecular biological analyses of embedded samples.
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New plasma device to treat hair loss
Scientists at the HAWK in Göttingen, Germany developed a new brush-like plasma device for chemical-free treatment of the scalp to promote hair growth. The small device is easy to handle and can significantly enhance microcirculation as well as oxygen saturation, which are key parameters for stimulating hair growth.
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