The invention describes a procedure and an easy-to-use optical setup to amplify laser pulses with an optical compressor. The clever optical configuration enables an extraordinarily high laser peak power through an extremely resource-friendly and easy to use setup.

Novel hypoxia responding cell system to overcome the limitation of oxygen supply in high-density cell cultures for improved recombinant protein production.

Heat-resistant, water- and gas-impermeable, mechanically resilient and edible barrier layer for the demarcation of differently moist areas in animal feed products.

Bio-based and biodegradable coating system for heat-resistant, water- and gas-impermeable coating of food and food packaging.

Heat-resistant, water- and gas-impermeable, mechanically resilient and edible barrier layer for the demarcation of differently moist areas in snack and convenience food products.

Low-molecular weight compounds for prevention or treatment of Flavivirus infections including Yellow Fever, Dengue virus, West-Nile-virus, Zika virus and others. 

Method for in-line measurement of the degree of crosslinking of liquid silicone rubber in injection molding processes by measuring and analyzing cavity pressure.

The new method enables a temporally and spatially highly resolved determination of residual stresses in coated surfaces or in layered composites, which is performed optically and contactless using digital holography.

An extensively developed friction stir welding tool designed for high-quality and cost-effective joining technology for light metals

An efficient system for injecting gas (e.g. hydrogen) into the combustion chamber of an internal combustion engine, operating at low pressure.

Non-destructive assessment of the residual stresses in a component both in the vertical and horizontal planes, through the use of targeted applied markings.

New assay for the determination of amylase activities with significantly improved sensitivity, lower cost and easier feasibility than comparable assays.

Multimedia dialogue system (driving assistance system; 'Situation Awareness Manager') for use with the so-called Take Over Request (TOR) in vehicles. A recognition query is carried out and documented, and only if the driver answers correctly enough (situation awareness) is there a transfer of responsibility from the vehicle to the driver. Careless, routine responses are thus prevented.

An extensively developed technology for reciprocating engines, consisting of several novel solutions for reliable technical implementation.

LPBF process for the generation of porous structures for the gentle machining of complex components with thin-walled and filigree structures

Method, device, and computer program product for compressing an input data set. Data compression by means of adaptive subsampling.

Novel, high resolution polarization measuring device for the measurement of 3D geometries, based on the use of thermal radiation from the machining process.

Innovative software tool/onboard computer for e-bikes to check the feasibility of a desired route on the basis of adjustable personal factors and the use of real-time route parameters with a given battery capacity and then to be able to master it safely and with appropriate physical effort. The assistance power of the electric motor is continuously and proactively checked and automatically (re-)regulated over the entire course of the route, taking into account the battery charge.

A special software makes specific, imperceptible modifications to images of a sequence whereby the viewer gets the impression of a greater color gamut (amount of displayable colors) compared to a display without this innovative software-support ("conventional display"). Color nuances in image areas with saturated colors are improved. The invention is suitable, among others, for all monitors, TVs or VR-displays.

The innovative method simplifies and automates the determination of porosity, roughness and thickness of porous silicon films with single or double layers by using measured reflectance spectra in the visible spectral range.

The invention relates to a device and a method for determining the field of depth of an optical setup, in particular anoptical microscopes, by means of a glass cube in which a calibration or measurement pattern has been engraved.

With the innovative filter element for headphones, the wearer can distinguish whether an external sound source approaches from the front or back and in general allows to localize sounds in the vertical plane. This innovation may prevent dangerous situations for traffic, for example if a vehicle is approaching in the back of the wearer. Any sound source, i.e. auditory object in the environment of the wearer can be precisely localized, especially auditory objects in the ´blind spot´ of the wearer.

Environmentally stable, 2D/3D printable inorganic p-type thermoelectric materials based on an inorganic binder comprising a mixture of Cu, Se and S powder. The corresponding flexible thermoelectric generators (TEGs) can be manufactured reproducibly and efficiently with a cost-effective printing process, show high power density and allow wider applications i.e. they can be integrated into non-flat surfaces of different micro and complex electronic or mechanical systems.

Process for controlling sulfur, chlorine and alkali cycles in cement clinker production plants

In order to prevent falls, the wearers of smart glasses or AR glasses are shown optical indicators at the edge of the field of vision in the form of, for example, squares or dot patterns.

The innovative piezoelectric inchworm linear motor can be easily miniaturized with a high degree of efficiency and large actuating force and is therefore particularly suitable for use in medical engineering (e.g. as distractor device in orthopedics, orthodontics or cranio-maxillofacial surgeries).

Novel circulatory pump (VAD / Ventricular Assisted Device) for long-term therapy of cardiac insufficiency, characterized by small overall dimensions and low energy consumption, optimized flow characteristics and less mechanical damage to blood components in addition. In principle, it can be used on various anatomical structures such as the aorta and pulmonary artery, as well as on the heart, of course.

A switchable rectifier is integrated in the receiver unit, allowing for dual-mode operation of the inductive receiver system. This way, different charging powers can be used effectively with low losses, and the inductive charging of e-vehicles at different charging systems becomes more efficient.

Cell-friendly universal tool for transfection of numerous types of molecules into all common cells and cell lines. High throughput due to automatable sample preparation, simple storage conditions and user-friendly sample preparation.Cell-friendly universal tool for transfection of numerous types of molecules into all common cells and cell lines. High throughput due to automatable sample preparation, simple storage conditions and user-friendly sample preparation.

Coreless winding for the production of complex three-dimensional support structures

Biodegradable, surface-active surfactants for compatibilizing more than two phases

Researchers at the Karlsruhe Institute of Technology (KIT) have developed novel sensor arrays ("electronic noses") that are able to detect and distinguish enantiomers of different volatile organic compounds (VOC)...

The present invention relates to an innovative method and the respective equipment for the additive manufacturing of plastic components with a significantly increased print speed compared to commercial 3D printers and 3D printing techniques.

Vegetarian and vegan foods are increasingly in demand, but at the same time many people like the typical savory taste of meat and sausage products. A simple, cost-effective biotechnological method has now been developed which allows savory meat flavors to be produced by fermenting spices using basidiomycete mycelium (edible mushroom, GRAS status) for flavoring vegetarian and vegan foods in particular.

The integration of actuators allows the structural cross-section of load-bearing elements to be significantly reduced without sacrificing vibration resistance. The savings potential for materials and emissions is between 30 and 50 %, and the construction concept offers completely new architectural freedom..

This technology allows metal objects to be reliably detected in wireless charging systems.

The invention provides a simple solution to the "foreign object problem”, i.e., the heating of electrically conductive foreign objects in the magnetic field during inductive charging of electric vehicles.This solution presented enables an uninterrupted charging process.

This further development of a Royer converter allows a reliable, wireless power transfer of energy at high switching frequency and voltage. It is thus possible to implement wireless power transfer systems that can operate with mains voltage without using an additional buck converter

Here, an extremely simple and effective screening method for the identification of cell-compatible drugs against viruses such as SARS-CoV-2,...

System to enable realistic driving simulations by using movable dazzle devices.

A new test procedure and the corresponding testing equipment allows examining thermoformability of raw plastic granulates based on biaxial stretching and maximum stretching or elongation.

The present invention relates to a branching node with high load-bearing capacity made of fiber-reinforced plastic (FRP) and concrete. It is the ideal connecting component for branched load-bearing structures in the field of building and bridge construction. The flexible manufacturing process allows for cost-effective production of different geometries of the support nodes required for the specific application.

Environmentally stable, 2D/3D printable inorganic thermoelectric materials on an Ag-Se n-type basis with high thermoelectric (TE) performance. The corresponding flexible thermoelectric generators (TEGs) can be manufactured reproducibly and efficiently with a cost-effective printing process, show high power density and allow wider applications i.e. they can be integrated into non-flat surfaces of different micro and complex electronic or mechanical systems.

In these miniature spectroscopes according to the invention, the use of a novel anamorphic mirror optics in combination with field of view discriminators leads to a compact optical arrangement and avoids interfering influences in the interferogram. This makes it possible to measure moving objects such as fire storms.

Nanoscopic zoomlenses, dynamic beam steering and holograms – thanks to an inventive combination of metamaterial on top of a phase change material, all...

Using an optical or electrical signal to change the chirality and therefore the optical activity in either the visible, infrared or THz spectrum for a...

Plasmonic nano-antenna made of Yttrium dihydride have optical properties, that can be changed reversely by adding hydrogen without being sensitive to...

Diese innovative Seilendverbindung ermöglicht es auf einfache und sichere Weise ein hochmodulares Faserseil mit einer Struktur zu verbinden, bzw. es...

This innovative rope end connection makes it possible to connect a high modular fiber rope to a structure in a simple and safe way, and also to release...

Complex optics in small devices – by using several diffractive optical elements this is now possible. The optical elements are printed in one piece...

This technology (antenna array and algorithm) enables the precise identification of metallic objects and reduces electromagnetic reflection...

Laser amplifiers play an important role in industrial production processes. A constant high quality of the laser pulses is indispensable for an...

This robust trepanning optics with only one rotating element (grid mirror) offers great flexibility with regard to the realizable drill diameter/...

These broadband grating waveguide mirrors with a diffraction efficiency of 99.7 %, that are as well polarization and wavelength selective, can be...

The emitting spectral bandwidth of laser diodes for semiconductor diode lasers is optimally reduced to a very small range. Resonant waveguide grating...

The new developed mineral plastic foam, as a bio-inspired hybrid material, can solve many of the problems associated with conventional insulation and damping materials used in building construction, automotive engineering and the housing of electrical devices. Despite its excellent processability, the innovative material is inexpensive, non-combustible, economical, environmentally friendly and can be recycled in a sustainable way in terms of energy.

Thanks to a clever design of the laser disk itself, the depolarization caused by the two heat spreaders can be neutralized. This creates a very...

The development of a new kind of head spreader allows to control the contact surface between laser disc and head spreader. Through this invention, the...

Instead of letting the seed beam cross the pump spot as often as 80 times, now a much smaller seed beam can be used for gridding the pump spot,...

With this procedure 3D-printed optical elements can be functionalized. By filling microcavities after printing, components such as diaphragms...

In this drone system, the rotors are pivoted and mounted independently of each other and also independently of the fuselage movement.  In combination with a smart sensor and control system, automatic pilot control and thus an extremely stable flight condition of light flying objects even in turbulent conditions becomes a reality.

Due to the role of epigenetics in a vast array of diseases, the study of epigenetic mechanisms has become one of the most rapidly growing fields of biology. Amongst others, epigenetic... 

The novel modulation method enables amplitude modulation of high-frequency pulse trains and, in contrast to conventional methods, allows the maximum modulation frequency to be applied even to pulse trains of an ultrashort pulse laser with pulse durations in the femto- or picosecond range.

Energy-efficient air purification process using supersaturation

This innovative energy concept allows sauna systems to be operated completely autonomously – both in summer and winter. A hybrid storage system consisting of pressurized water or steam tanks serves as an intermediate storage of solar energy – a climate-neutral, self-sustaining and durable sauna system can thus be realized without a stove.

An additive joining technique developed at the University of Stuttgart makes it possible to connect individual components with each other positively using fiber-reinforced pins without the need for post-processing steps in the manufacturing process or foreign materials in the part. The technology thus opens up new possibilities both for the connection of individual components and for interlaminar component reinforcement.

The recurring fire protection test for intumescent systems  - developed at the Karlsruhe Institute of Technology (KIT) - can be carried out minimally invasive directly on site by means of this compact...

The sensor system implemented in the gripper (e.g. in hand prostheses or robot gripper arms) is characterized by its small design and, among other things, by reliable detection of slipping through of objects during the gripping process.

This technology increases the efficiency of DC-DC converters by maintaining the maximum possible inductance value (MET) under all operating conditions. The technology is particularly suitable for...

It is a contactless measurement method that evaluates the frequency change in the primary of an autoresonant circuit that supplies power to the rotor without contact. The temperature of the load is determined based on the applied excitation frequency of the excitation voltage or current of the primary resonant circuit.

During the transfer and further processing of CAD data, the data transformation is decisive for the processing scope available later. With this transformation algorithm, objects are transformed point...

Testing Hydrogen embrittlement - A reliable and robust system is available for force measurement during material testing in autoclaves

The new concept of evaluation for bridge circuits offers the possibility of simultaneous determination of the change in resistance and temperature without the use of additional temperature sensors...

By cleverly combining two conventional methods together with a feedback strategy for mutual improvement, topography and hyperspectral measurements can now be performed in parallel on...

The 'robust one-shot interferometry' (ROSI)  has been optimized in several aspects and now offers a miniaturized, robust and long-term stable as well as high-precision point and line profile measurement at very high measurement and evaluation speeds.

This multi-pass amplifier concept offers a previously unequalled output power in the kW range with a compact design and various scaling and modification options. 

Foveated imaging for conventional image sensors with constant pixel pitch, cost-effectively manufactured in the smallest space. The functionality of these optics can be compared to that of an eagle...

By combining the molding and joining process it is now possible to produce geometrically complex molded parts with large surfaces and integrated functional elements in a highly cost-efficient manner.

The process allows anisometric fillers to be specifically oriented in the desired spatial direction, and enables a high core-periphery layer ratio to be achieved even in thin components. This possibility significantly expands the range of applications for fillers, as their properties can now be used much more efficiently.

This measuring instrument is able to determine the continuous wave power share of the total power of a pulsed laser reliably. This information is very helpful for the development of pulsed lasers and...

Thanks to a newly developed adaptive and interference-insensitive mini-optic, high-resolution magnetic resonance imaging can now be performed with integrated light microscopy. The combination also...

The method developed at RWTH Aachen University enables the identification of immune primers using OTR monitoring in a new and very efficient way. Areas of application include plant protection, but...

The process combines the manufacturing techniques of thermoforming and 3D printing to produce large components with integrated functions in a cost-effective manner. The process steps can be organized as required, thus offering a new arena of choices without the restrictions that previously applied.

This efficient sealing method for multi-layer, woven, three-dimensional fluid containers enables a wide range of applications in a wide variety of industries.The sealing process can also be...

In a project funded by the Baden-Württemberg Stiftung gGmbH, the Fraunhofer-Institut für Werkstoffmechanik IWM has developed an improved pre-treatment process for diamond-coated carbide tools. A...

Intelligent braiding cell 4.0: With the help of a knowlage database, the wished braids are automatically made into finished program codes, machine sequences and work steps are defined and an analysis of manufacturing feasibility is carried out.

The pivoting sensor can be cost-effectively upgraded to existing navigation systems and can be used for other functions such as fine positioning under storage systems. For more complex functions, an AGV can be equipped with several of these multifunctional sensors.

A new design of impellers for braiding machines makes the braiding process much more flexible. This new method enables variable tying of the braids during the braiding process. In addition, it is possible to precisely guide large bobbins at higher production speeds without loss of quality. 

A innovative technology has been developed that measures soil water content, suction tension and salt content simultaneously and on-site. Signal transmission and the evaluation can be performed telemetrically or via cable, on-site or remote. The technology uses laser diodes, no spectroscopy is required.

A compact shap-variable screw cap with leverage effect created by the combination of elastic material and cleverly positioned crossed flexible structures facilitates the opening of containers and bottles

This flexible, modular shelving system can serve as a space-saving interim storage facility in a flexible production line. The self-propelled system can be used to store and transport body components of motor vehicles...

The invention describes a driverless transport vehicle (AGV) for the assembly of automobiles or commercial vehicles. The core of the invention is a mobile assembly platform with a lifting device that...

"Q-primers" are ammonium compounds, which make it possible to permanently functionalize virtually any surface. It is an environmentally friendly and cost-effective process that allows the...

Currently, there are only very few, costly synthetic routes for the production of ultra long-chain compounds, as they typically rely on tedious multistep reaction sequences. At the...

At the Karlsruhe Institute of Technology (KIT), a new platform concept for the formulation of highly conductive, printable pastes has been developed. Corresponding pastes are free of polymeric or...

Optical fibers are particularly well suited for long-distance data transmission, as the attenuation losses are significantly lower than e.g. when using copper conductors. Scientists at the University...

In order to increase the storage stability and shelf life of milk, a new treatment process has been developed at Hohenheim University, one that also requires comparatively low treatment...

The novel rope termination for high-strength fiber ropes is a permanent, form-fitting connection which is both durable and strong. In addition, it allows for easy integration of sensor-based monitoring...

The Institute of Combustion and Power Plant Technology (IFK) of the University of Stuttgart has developed a measuring device for use in coal power plants. The device allows for permanent monitoring...

The load-bearing capacity of metal inserts in fiber composite components, which is usually insufficient, is significantly improved by applying a structural adhesive to the insert. The insert is then adhesively bonded to the fiber material during hardening, which holds the insert perfectly in place. The method allows to combine metal inserts and fibre reinforced compounds to create a load-bearing connection.

When producing rear contact solar cells, both negatively and positively doped areas need to be produced on the rear of the solar cell. Moreover, the front side of the solar cell has to be...

Scientists from Stuttgart University developed a flexible high-density fibreboard with slip-resistant and shock-absorbent properties. The fibreboard consists of 80 % to 90 % straw, a natural, ...

With the new type of cathode material, the structural and material separation of current collector and cathode material is no longer necessary. In the single-stage strip electroplating process, which dispenses with the addition of binder and electrically conductive filler particles, a quantitatively significantly higher proportion of active material is made possible in the cathode. Li-ion or Li-sulfur cells can thus be operated more efficiently.

 

Monocrystalline solar cells that are produced using the relatively inexpensive CZ method (Czochralski method) display a noticeable drop in efficiency of more than 1 % in absolute figures under...

Secondary impeller plane for automated yarn manipulation in radial braiding machines for braiding components with widely varying diameters.

A new process and a new welding tool have been developed to realize friction stir welded butt joints on plates of different material and thickness with significantly increased strength characteristics (99.4%).

In cooperation with Italian partners, Karlsruhe University of Applied Sciences recently developed a new type of anti-fouling coating on membranes with scalable retention to improve the quality of...

Microcomposite particles coated with mangnetic ion exchange material can selectively bind phosphates in wastewater, even at low phosphate concentrations.  The superparamagnetic properties of the microcomposite particles enable the use of magnetic separation processes with high separation efficiency. They are easy and inexpensive to manufacture and reusable.

A novel divergent nozzle design, which provides for a homogeneous flow profile even at long distances from the nozzle exit, was developed at the University of Stuttgart. The flow profile is optimized...

The novel MEDUSA technology for turbocharging combustion engines fits the current trend to downsize engines perfectly. The optimal inflow into the turbine, particularly at low speeds of revolution,...

The new Soft Switching Three Level Inverter (S3L–Inverter) is of striking simplicity and is therefore inexpensive. Because of the underlying principle, it works without losses and thus with maximum...

The breakdown monitoring which is the object of this invention is achieved in real time by means of a photo diode which is integrated in the semiconductor device. During a breakdown a p-n junction...

The efficiency of solar cells made of CZ silicon decreases by more than 1 % in absolute figures under sunlight within a few hours (light induced degradation - LID). At the University of Konstanz...

This radar technology was developed to determine distances between objects and objects’ material properties. In contrast to conventional radar methods, the receiver is decoupled from the...

The process presented, a special form of heat treatment, now allows formation of Al-steel-TWB and Al-Al-TWB with a previously unattainable degree of formability, and thus also the process-safe integration of Al-steel-TWB and Al-Al-TWB.

In addition to developing high-power and high repetition rate laser sources it is essential to implement versatile and precise positioning of the individual pulses on the workpiece in order to...

This method makes it possible to remotely check the software versions offered by a service provider without having to rely on dedicated interfaces or provider-side ...

This on-chip optofluidic array with organic lasers is ideal for rapid on-site investigation of any analyte that absorbs (itself or its products of a specific detection reaction) in the...

This heavy duty anchor is specially designed to withstand the dynamic loads of earthquakes. The load on the fastenings is reduced so that the assembled components are less stressed (pipes, falling...

This innovative method for modifying the surface electrodes allows for production of fast-charging batteries with high energy density and reduced aging. Structuring is achieved by selective and exclusive removal of passive material, which significantly improves ionic transport capabilities without reducing the amount of energy that can be stored.

With the new method, developed at University of Stuttgart, the temporal sequence of the laser pulses can be exactly adapted to the relative speed of the machining station. Conversely, the machining...

The new area confocal scanning microscopy (ACMS) is uniquely suited to optical non-contact measurements such as surface inspection and 3D measurement technology. Compared to customary measuring...

The new direct patterning procedure for semiconductors provides the possibility to create new, delicate layouts and designs for micro- and nanoelectronics.The invention is based on a simple...  

This coating process makes selective use of the flexible production and shaping processes of FRP materials and separates the thermal load of the coating process from the substrate manufacturing process. As a result, high adhesion strengths of the functional layers on different FRP systems are reached.

The unit presented here is enormously compact and yet offers high torque density and dynamics as well as efficient transmission behaviour. This is particularly advantageous for robots or exoskeletons/active prostheses. Flexible control strategies enable variable drive behaviour that can be adapted to the respective application.