Abstract: One aspect relates to a process for producing a sintered workpiece, which includes sintering of a ceramic material at a temperature of at least 1000° C. and in an atmosphere, in the case of which the partial pressure of atmospheric air is reduced to less than 10?6-times, based on the ambient air at the same temperature under equilibrium conditions.

Abstract: One aspect is a heating element for a system for providing an inhalable aerosol, including a base body with an electrically insulating material, a heating structure arranged on the base body, and a cover layer adapted to fix the heating structure on the base body. One aspect further relates to a method for producing a heating element for a system for providing an inhalable aerosol, to a system for providing an inhalable aerosol, and to a vaporizer unit for such a system.

Abstract: One aspect is a method for producing a multilayered silica glass body. The method involves producing a multilayered silica glass body in which a transparent silica glass layer is provided on the surface of a siliceous substrate made of a siliceous material. The method includes preparing the siliceous substrate, preparing a silica slurry in which silica particles are dispersed in a liquid, applying the silica slurry to the surface of the siliceous substrate, leveling the silica slurry applied to the surface of the siliceous substrate by applying vibration to the siliceous substrate, drying the leveled silica slurry, and vitrifying the dried silica slurry by heating to form a transparent silica glass layer. As a result, a transparent silica glass layer of uniform thickness is obtained at excellent yield, and a method for producing a multilayered silica glass body easily in a short time is provided.

Abstract: One aspect relates to a device for mixing two liquids including a tube having an open end, a main line connected to the tube in a liquid-permeable manner, a rubber-elastic body delimiting a line wall of the main line, at least one secondary line in the rubber-elastic body, wherein the at least one secondary line extends from at least one secondary opening up to the main line and opens via at least one mouth into the main line, a main connection for introducing a first liquid into the main line, at least one feed line for introducing a second liquid into the at least one secondary line, which is connected to the at least one secondary opening in a liquid-permeable manner. The at least one secondary line is closed in the rubber-elastic body without the action of a force and is hydraulically openable by a pressure being exerted on a second liquid fed to the at least one secondary line by an elastic deformation of the at least one rubber-elastic body.

Abstract: A vacuum motor has a piston that linearly oscillates in the internal space of a housing. A gas outlet and a gas inlet (supplying ambient air) located in the housing terminate in the space between the piston and the housing rear side. The piston never covers the outlet or inlet. A valve body closes the inlet. A pestle moves within the housing between the piston and valve body. When the piston moves toward the rear side of the space, the valve body moves against the force of a spring and opens the inlet. The free cross-section of the opened inlet is at least equal in size to the free cross-section of the outlet. A surgical drive system, a medical lavage system, and a medical device for brushing, rasping or sawing of tissue or bone—all include the vacuum motor. Also disclosed is a method for operating the vacuum motor.

Abstract: Composition for use as catalyst in hydrosilylations, comprising at least one platinum compound selected from the group consisting of Pt[(Me2SiCH?CH2)2O]2 and Pt2[(Me2SiCH?CH2)2O]3 and at least one rhodium compound selected from the group consisting of Rh(acac)(CO)2, Rh2(CO)4Cl2, [Rh(cod)Cl]2, Rh(acac)(cod), RhH(CO)(PPh3)3, Rh(CO)(PPh3)(acac), RhCl(CO)(PPh3)2, and Rh-2-ethylhexanoate at a molar ratio of Pt/Rh in the range of 0.1 to 100.

Abstract: One aspect relates to a process for producing an electrical medical implant, comprising the following steps: a. providing an electrical feedthrough, which comprises a substrate, an electrical component, and a contact element; b. coating the electrical component with a layer.

Abstract: One aspect is an ablation system with a wire feed configured to feed a wire and a wire take-up configured to take-up the wire. A wire handling system is configured to advance the wire and to stop the wire between the wire feed and the wire take-up in a controlled manner. A laser ablation processor is located between the wire feed and the wire take-up, the laser ablation processor having at least one laser configured to ablate the wire when the wire is stopped. A clamp system is located between wire feed and the wire take-up and configured to clamp onto the wire when the wire is stopped.

Abstract: One aspect relates to a method of producing a sleeve for a ring electrode for electrophysiological and neuro-medical applications from a biocompatible metallic tape. Repetitive structures are punched into the tape and each includes at least one surface that is connected by at least one fin to at least one external strip. The at least one external strip connects the repetitive structures to each other on the margin. A sleeve mold is formed from a multiple of the repetitive structures through multiple reforming steps by a reforming technique. The sleeve mold is punched off the such that the sleeve is formed with a first tube-shaped region with a larger diameter and a second tube-shaped region with a smaller diameter. The first region with the larger diameter has a larger external diameter and internal diameter than the second region with the smaller diameter, and the two regions are connected.

Abstract: A device for producing a bone cement dough from a monomer liquid and a cement powder and dispensing the bone cement dough. The device includes a cartridge holding the cement powder in an internal space. A monomer receptacle screws onto the cartridge, forms a chamber, and has a plunger with a passage that is permeable to gases and the monomer liquid but is impermeable to the cement powder and that connects the internal space to the chamber. The plunger tightly closes the internal space with the exception of the passage. A gas supply opening is arranged in the wall of the monomer receptacle. A monomer liquid container holds the monomer liquid and is located in the chamber. An opening facility opens the container, and closes the gas supply opening before opening the container. Also provided is a method for producing and dispensing the bone cement dough.

Abstract: One aspect is a feedthrough system including a) a feedthrough including i) an insulating body, ii) an electrically conductive pathway, wherein an end of the electrically conductive pathway is level with a surface of the insulating body, iii) an electrically conductive pad, wherein the electrically conductive pad is attached to the level end of the electrically conductive pathway, b) an electrical contact element including a metal, wherein the electrical contact element is attached to the level end of the electrically conductive pathway by a joint microstructure, or wherein, when the feedthrough includes an electrically conductive pad, the electrical contact element is attached to the electrically conductive pad by a joint microstructure. Furthermore, the present embodiment refers to a process for preparing the inventive feedthrough system, and to a device including the inventive feedthrough system.

Abstract: One aspect relates to a device for mixing a polymethyl methacrylate bone cement formed of two starting components and for storing the starting components of the bone cement. The device has a tubular cartridge with a cylindrical interior. A powder is contained in a front of the cartridge and a container containing a monomer liquid is arranged in a rear of the cartridge. A discharge piston is arranged between the container and the powder, and a conveying piston is on the side of the container opposite the discharge piston. The discharge piston and the conveying piston are arranged in the interior of the cartridge movably in the longitudinal direction. A conduit is provided that connects the front part and the rear part of the interior of the cartridge to one another in a manner permeable for the monomer liquid and for gases and which is impermeable for the powder.

Abstract: A method for additive manufacturing of three-dimensional objects from metallic glasses utilizing a process of melting of successive layers of the starting material by a laser beam or an electron beam. The method includes steps such that every material layer is melted twice, using parameters which yield a crystalline melt trace in the first melting, and the successively melted beam paths contact with one another, while in the second melting, parameters yielding an amorphous melt trace are used, and the successively remelted paths or spots do not come in contact with one another, and/or between the scanning of successive paths or spots, an interval not shorter than 10 ms is maintained, the surface power density in the first remelting being lower than in the second remelting.

Abstract: A process for the treatment of acidic wastewater which comprises hydrochloric acid, nitric acid as an optional component, 0.1 to 30 wt.-% of one or more dissolved metals selected from the group consisting of aluminum and heavy metals other than precious metals, and 10 to 500 wt.

Abstract: One aspect relates to a method of manufacture of a composition, including providing a precursor formulation which includes at least silver chloride and an organic vehicle, wherein the precursor formulation includes agglomerates, and comminuting the precursor formulation, wherein the composition is obtained. One aspect further relates to a substrate which is at least partially coated with a coating including silver chloride, wherein the coating has an average size of agglomerates of 30 ?m or less, to an electrochemical sensor including at least one of these coated substrates and a use of the composition or a wire which is coated with the composition.

Abstract: One aspect is a resistor component for surface mounting on a printed circuit board, including a ceramic substrate with a first side and an opposite second side. A sinterable metallization is at least in some regions arranged on the second side. A resistance element comprising a metal layer is arranged at least in some regions on the first side of the ceramic substrate with a first connection and a second connection. An insulation layer is arranged at least in some regions on the resistance element and the ceramic substrate. A first region on the first connection and a second region on the second connection remain uncovered by the insulation layer. A first contact pad electrically contacts the first connection via the first region, and a second contact pad electrically contacts the second connection via the second region.

Abstract: One aspect is a method for producing a plurality of wire elements, including providing a metal wire, coating the metal wire with a first layer to obtain a first coated wire, subjecting the first coated wire to a first quality control process, marking any first defects identified in the first quality control process, coating the first coated wire with a further layer to obtain a further coated wire, and cutting the further coated wire to obtain a plurality of wire elements. Prior to cutting the further coated wire to obtain the plurality of wire elements, a first length of the first coated wire is less than 10% longer than a further length of the further coated wire.

Abstract: A method for producing a further wire, wherein the method includes, providing a first wire and feeding the first wire through a furnace to obtain the further wire. A further cast of the further wire is larger than a first cast of the first wire.

Abstract: The present invention relates to a sampler for taking samples from a molten metal bath, particularly a molten iron, the sampler comprising: a carrier tube having an immersion end; and a sample chamber assembly arranged on the immersion end of the carrier tube, the sample chamber assembly comprising a cover plate and a housing, wherein the housing comprises: an immersion end having a first opening for an inflow conduit and an opposing end having a second opening for a gas coupler, a first face extending between the immersion end and the opposing end, the first face having a first depression proximate the immersion end and a second depression, the first depression being an analysis zone and the second depression being a ventilation zone, a portion of the analysis zone overlying a distribution zone which is in direct flow communication with the first opening and configured to receive the molten steel from the inflow conduit, wherein the first depression having a cross sectional circle segment profile along a