Abstract: A lighting device (40-40?, 45-45?, 50-50?, 60, 80, 93-93?) is provided for the uniform illumination of curved, uneven, or polyhedral surfaces. The lighting device has a plurality of flat chip-on-board LED modules (1, 11, 11?, 21, 31, 41-41?, 46-46?, 51-51?, 61-61?, 71-71??, 811-818), which are arranged adjacent to each other at least in pairs. Each chip-on-board LED module (1, 11, 11?, 21, 31, 41-41?, 46-46?, 51-51?, 61-61?, 71-811-818) has a plurality of light-emitting LEDs (4, 4?, 14, 14?, 24, 34, 64, 72). The lighting device (40-40?, 45-45?, 50-50?, 60, 80, 93-93?) is characterized by at least one pair of the adjacent chip-on-board LED modules (1, 11, 11?, 21, 31, 41-41?, 46-46?, 51-51?, 61-61?, 71-71??, 811-818) being arranged at an angle greater than 0° with respect to the surface normals of the modules.

Abstract: Methods for producing an optical fiber by elongating a silica glass blank or a coaxial group of silica glass components, on the basis of which a fiber is obtained that comprises a core zone, an inner jacket zone enclosing the core zone and a ring zone surrounding the inner jacket zone, are known.

Abstract: The present invention relates to a medical device or implant made at least in part of a high-strength, low-modulus metal alloy comprising niobium, tantalum, and at least one element selected from the group consisting of zirconium, tungsten, and molybdenum. The medical devices according to the present invention provide superior characteristics with regard to biocompatibility, radio-opacity and MRI compatibility.

Abstract: A crystalline epirubicin hydrochloride and a method for its production are provided. The method for producing the crystalline epirubicin hydrochloride includes the steps: (a) providing epirubicin hydrochloride, (b) producing a mixture containing the provided epirubicin hydrochloride and at least one alcohol selected from the group 1-butanol, 2-butanol, and 1-pentanol, and (c) crystallizing epirubicin hydrochloride from this mixture.

Abstract: A fracture-resistant denture base material is obtained from an auto-polymerising or cold-polymerising composition containing (A) a liquid monomer component; (B) a powder-shaped component, and (C) at least one initiator or one initiator system for auto- or cold-polymerisation, whereby at least one member of the groups of aliphatic urethane acrylates and aliphatic urethane methacrylates is present in (A) or/and (B); whereby the fracture-resistant material shows, in particular, a fracture toughness of >1.8 MPa*m1/2 and a fracture work of >400 J/m2 after curing, and, preferably also shows a difference in the yellow value, also called b value, of maximally one unit after 8 weeks of storage in fully desalted water at 50° C. Preferably, no synthetic rubber is present.

Abstract: A known method for producing a porous carbon product comprises producing a monolithic template from inorganic matrix material having pores connected to each other, infiltrating the pores of the template with carbon or a carbon precursor substance forming a green body framework containing carbon surrounded by matrix material and calcining the green body framework forming the porous carbon product. In order to provide a method proceeding herefrom which permits cost-effective production of a product from porous carbon, according to the invention the production of the template comprises a soot separation process in which a hydrolyzable or oxidable starting compound of the matrix material is supplied to a reaction zone, therein converted to matrix material particles by hydrolysis or pyrolysis, the matrix material particles are agglomerated or aggregated and formed to the template.

Abstract: A sampler is provided for taking samples from melts having a melting point higher than 600° C., in particular for metal or cryolite melts. The sampler includes a carrier tube having an immersion end and having a sample chamber assembly arranged on the immersion end of the carrier tube. The assembly has an inlet opening and a sample cavity for the melt and is arranged at least partly inside the carrier tube. The sample chamber assembly has on a part of its outer surface a coupling device, arranged inside the carrier tube, for coupling a carrier lance. A method is also provided for taking samples using such a sampler.

Abstract: Device and method for degassing and dispensing bone cement that can be used to produce a bone cement that is largely free of air inclusions. The device contains a dispensing tube (1) that comprises at least one section (2,3) that is permeable to gas, but impermeable to bone cement. The bone cement is being moved along the gas-permeable section which causes the gas present in the bone cement to flow through the gas-permeable material.

Abstract: A flash lamp is disclosed including an insulative envelope containing a gas and housing a pair of arcing electrodes and characterized by an instance of isolated conductive material being formed at a predetermined location on the inside of the envelope adjacent an electrode. Further disclosed is a corresponding method of manufacturing a flash lamp and apparatus for the same.

Abstract: A known lamp module for spectral analysis devices includes a lamp receptacle body having a cavity for receiving a deuterium lamp having a lamp bulb made of synthetic quartz glass. The cavity has a beam outlet opening closed with an optical transmission element. In order to provide a lamp module having a deuterium lamp with an ozone filter that exhibits a long service life, that can be manufactured economically, and that ensures a high intensity in a wavelength range between 190 nm and 250 nm, such a known lamp module is provided with a VUV edge filter in the beam outlet opening on the side of the optical transmission element facing the deuterium lamp.

Abstract: It is an object of the invention to provide a synthetic silica glass for a cladding of a core from a fiber laser. The refractive index should be low and there should be no foaming foreign substances. This object is achieved by a synthetic silica glass for an optical element, which contains paramagnetic E? defect centers in an amount that is sufficient to set the absorption coefficient at 215 nm is in the range between 0.001 cm?1 and 2 cm?1; it contains paramagnetic oxygen defect centers in an amount that is sufficient to set the absorption coefficient at 250 nm is in the range between 0.001 cm?1 and 2 cm?1; the OH group concentration is 5 wtppm or less; the viscosity at 1100° C. is in the range between 1×1013.5 poise and 1×1015.5; the total content of metallic elements of Group 3 and Group 13 of the periodic table is 50.000 wtppm or less; and the relative refractive index difference of said synthetic silica glass is in the range between +0.

Abstract: A method is provided for manufacturing a partially coated carrier structure including a carrier tape coated by a coating. A protective film is applied to at least a portion of the coating, the coating is partially removed from the carrier tape, and the protective film is removed from the coating. A device for manufacturing a partially coated carrier structure by a method of this type includes a first conveying facility for conveying a carrier tape coated by a coating, an application facility for application of a protective film to at least a portion of the coating, and at least one tool that can be used to partially remove the coating from the carrier tape.

Abstract: A bright noble metal preparation for firing on ceramic/porcelain surfaces at a minimum temperature of 900° C. The preparation has at least one organic noble metal compound including at least one of an organic gold, platinum, silver and palladium compound, at least one flux that consists of organometallic compounds including Cr in the form of at least one organic compound, such that a Cr content is 0.01 to 1.0 mole per mole of noble metal, and at least one vehicle. The bright noble metal preparation is rhodium-free and has a noble metal content of 6 to 20 wt. %, based on the preparation.

Abstract: A malleable, biodegradable hemostatic agent is provided that can be used for mechanical sealing of bleeding bone tissue, as well as a method for forming a malleable, biodegradable hemostatic agent of this type, and a medical implant having a coating that includes a malleable, biodegradable hemostatic agent of this type. The malleable, biodegradable hemostatic agent contains (a) at least one saturated glycerol-1,2,3-tri-fatty acid ester having a melting temperature above 37° C., (b) at least one filling agent present in particulate form, at least in part, and having a melting temperature above 37° C., and (c) at least one compound having a melting temperature not above 37° C. and a solubility at a temperature of 25° C. of less than 50 grams per liter of water.

Abstract: A method for automated manufacture of dentures including providing a digital data set of the individual denture to be produced, a digital separation of the model into dental arch and gingival, producing the dental arch from a ceramic or plastic material using cutting technology, producing the denture base through generative or ablative procedures from predominantly (meth-)acrylate-based plastic materials, connecting the dental arch and gingiva through bonding or joining or a combination of bonding and joining.

Abstract: An electrical high-pressure discharge lamp is provided for a cosmetic skin treatment. The lamp includes an illuminating tube made of quartz glass. At least two electrodes made of metal are arranged in the illuminating tube at a spacing from each other that is larger than the internal diameter of the illuminating tube. A gas is enclosed in the illuminating tube, and the quartz glass is doped with copper and tin, which reduces the transmission by the illuminating tube for electromagnetic radiation of a wavelength shorter than 550 nm. A use of an electrical high-pressure discharge lamp of this type in a tanning device or lamp for cosmetic skin treatment is also provided.

Abstract: A metal fiber based on one or several elements from the group of platinum, palladium, rhodium, ruthenium, and iridium with 0 to 30% by weight of one or several additional alloy elements from the group of nickel, cobalt, gold, rhenium, molybdenum, and tungsten, contains 1 to 500 ppm by weight of boron or phosphorus. A non-woven material or netting, in particular for the production of nitrogen oxide or for the production of hydrocyanic acid, is made of such fibers. For the production of fibers based on noble metals having up to 30% by weight of additional alloy metals by drawing the fibers from a melt, the melting point of the metal is reduced by at least 400° C., before drawing of the fibers, by additionally alloying with boron or phosphorus, and the boron or the phosphorus is removed again from the fibers.

Abstract: A method recovers noble metals from noble metal-containing compositions and includes steps of (i) providing a noble metal-containing composition containing an adsorption agent that is based on an inorganic material and is functionalized by organic groups and has at least one noble metal adsorbed to it, and (ii) ashing of the noble metal-containing composition provided in step (i) in order to adjust a residual carbon content of at most 10% by weight, relative to the total weight of the noble metal-containing composition after ashing, to obtain an ashed composition.

Abstract: In a known method, a SiO2 slip layer is applied to a basic quartz glass body by means of spraying on an SiO2 slip, the slip layer is dried and sintered to form an SiO2-containing functional layer.

Abstract: The present invention relates to a medical device or implant made at least in part of a high-strength, low-modulus metal alloy comprising niobium, tantalum, and at least one element selected from the group consisting of zirconium, tungsten, and molybdenum. The medical devices according to the present invention provide superior characteristics with regard to biocompatibility, radio-opacity and MRI compatibility.