Abstract: In order to extend the life and reduce the fitting complexity involved, what is proposed is: the light-emitting unit comprises a plurality of individual identical cooling apparatus/light-emitting means modules (3), which are connected for form clusters (5), wherein each cooling apparatus/light-emitting means module (3) comprises a ceramic carrier body (1), which has, on one or more of its surfaces, sintered metallization regions (7), said metallization regions (9) forming a printed circuit board, to which one or more LEDs (2) is/are electrically conductively connected.

Abstract: The invention relates to a force module (20) for generating forces in a highly dynamic manner by assembling a plurality of piezo actuators (1) for connecting to a voltage source. To enable the force module (20) to generate forces in the range of a few 100 kN in a highly dynamic and spatially resolved manner, according to the invention it is proposed that the force module (20) consists of at least two sub-modules (21), each having at least two piezo actuators (1) and their electrical contacting elements, and a controlling and protection module (16) for the piezo actuators (1) in the sub-modules (21), wherein all electric contacting elements of the sub-modules (21) are fed into the controlling and protection module (16).

Abstract: The invention relates to a milling tool (1) having a length Itotal and diameter dtotal and having blades (2) for the milling of mostly metal workpieces. In order to prevent an uncontrolled failure of the milling tool, it is proposed that the blades (2) are partially or entirely made of polycrystalline cubic boron nitride (PcBN) or polycrystalline diamond (PCD) and the diameter dtotal of the milling tool lies between 7 mm and 40 mm.

Abstract: Ceramic diode carriers (10) comprising a ceramic carrier body (2) integrally connected to ceramic cooling elements (7) dissipating heat, wherein sintered metallization regions (41) are disposed as conductors on the surface (3) of the carrier body (2). LEDs (13) can be fastened to the diode carrier (10), the electrical connections thereof being electrically connectable to the conductors. In order to produce luminous bodies from ceramic diode carriers (10), at least two identical ceramic diode carriers (10) are connected into an array.

Abstract: The invention relates to a ready-to-use ceramic blanking die (1), which is produced by sintering a blank, as an indexable insert, comprising an upper face and a lower face (2, 3) which each have a support surface (4) for installation in a tool holder of a cutting tool, lateral surfaces (5) that connect the upper and lower faces (2, 3), and cutting edges (6) for machining workpieces.

Abstract: The invention relates to a method for joining two partners to be joined at defined joining points, one partner (1) being made of a ceramic material and the other partner being made of a metal or a ceramic material. The aim of the invention is to improve such a method in such a way as to make the same easy to use while creating a permanent joint. Said aim is achieved by arranging the partners (1) to be joined in such a way that the partners (1) are in contact with each other at the joining points, and directing a laser beam to one of the partners (1) at the joining points in such a way as to make the laser beam shoot through said partner and at least partially penetrate into the other partner (1).

Abstract: Disclosed is an LED light comprising at least one LED (43) that is arranged on a ceramic support element (32) and is connected thereto in a thermally conducting manner, and an electronic driver (17) that is electrically connected to the LED (43) to supply power and control the power supplied to the LED (43). The driver (17) is connected in a thermally conducting manner to the support element (32) in order to improve the electric control function and performance of the LED (43) in the light.

Abstract: In order to supply power and control the power supplied to an LED (43), in particular an LED (43) comprising a ceramic support element (4, 32), an LED driver circuit (17) is designed to regulate the supply current for the LED (43) in accordance with the temperature of the support element (4, 32).

Abstract: The invention relates to a cutting template, to a cutting block, preferably a cutting template, and to a cutting block for use in medical technology.

Abstract: A method for the targeted introduction of cleavage lines or predetermined breaking lines in ceramic substrates for subsequent separation, wherein, in a thermal treatment step or methods step, the cleavage line or predetermined breaking line is heated locally and then cooled suddenly by a coolant in such a way that targeted cracking or material weakness occurs along the cleavage line or predetermined breaking lines.

Abstract: A negative insert has double-positive clearance surface.

Abstract: A cutting tool for radial and axial recessing and for lateral motion for so-called grooving of primarily metallic materials, having a clamping holder and a cutting element base, fastened to the damping holder, on which a cutting element rests, the cutting element being pressed onto the cutting element base by a damping finger of a clamping claw, and the cutting element being guided on the cutting element base with a prism.

Abstract: A cutting tool has a recess for receiving a cutting insert having a clamping depression on the rake face. The cutting insert is held in the carrier tool by a clamping finger having a lug. The clamping finger being secured on the carrier tool via. a clamping bolt so that when tightening the clamping bolt, the clamping finger pulls the cutting insert into the recess. A sickle-shaped engagement element engages into the clamping depression of the cutting insert being arranged on the lug. The clamping bolt has a clamping head overhanging its shank. The clamping head is seated on an angled locating surface of the clamping finger with respect to the axis of the clamping bolt, wherein said surface is arranged so compression force of the clamping finger on the cutting insert is enhanced. The lug has a clamping surface for bearing on the rake face of the cutting insert.

Abstract: A lamp for receiving at least one light emitting diode as a light-emitting means, having a bottom part as a supporting element and for feeding the electric connecting wires to a mounting device carrying the at least one light emitting diode, and having a lamp shade. The mounting device is a separate mounting substrate having a breaking strength between 100 and 1,000 MPa and is arranged on the bottom of the device.

Abstract: A tool holder as a carrier tool for a cutting tool for turning, milling or drilling applications for the machining of primarily metal materials, having an incorporated receiving recess with seat walls for receiving a cutting body, wherein the cutting body is fastened with fastening means.

Abstract: A metal cutting tool has a supporting tool, which has a recess for accommodating a cutting plate. The cutting plate is provided with a clamping trough, which is held in the supporting tool by a clamping claw. The clamping claw is fixed against the supporting tool by a clamping screw. A pressure piece is placed on the clamping claw and its underside facing the cutting plate is provided with a cam, which is in contact with the clamping trough and the clamping claw pulls the pressure piece toward the clamping screw.

Abstract: The invention relates to an acetabular cup (4) and a cup insert (3) for a hip joint prosthesis (12), wherein the cup insert (3) is coupled to the acetabular cup by means of a clamping cone (5) of a conical clamping device in the equatorial region (7) of the two components (3, 4) and, in the unloaded state of the cup insert (3), a gap (8) is provided between the two components (3, 4) below the clamping cone (5) to the pole (6), said gap being delimited by the radial contours of the two components (3, 4). In order to reduce the tensile stresses in the cup insert, the radial contours of the two components (3, 4) have identical geometric elements in the same order, starling front the lower cone end (9) to the pole (6), and tangential or substantially tangential transitions exist between the geometric elements.

Abstract: A device for generating electrical energy in a rotating system for the purpose of supplying electric current to electronic components in the system, comprising external forces, acting on the system, that act on piezoelectrically active energy converters in the system, as a result of which electrical energy is generated, and comprising an electronic system for processing the generated electrical energy and transferring it to the components.

Abstract: A socket insert of a hip joint prosthesis having a spherical-indentation-shaped recess in which a spherical head of a femur is mounted. The spherical indentation has a run-in zone which ends on one side with a circular arc tangentially in an end face of the socket insert and extends on another side as far as the run-in edge. Between a start of the circular arc with a radius of the length (RE) and the run-in edge of the spherical indentation with the radius of the length (RK) the run-in zone forms a curve, the function of which is continuously differentiated twice at every point.

Abstract: A composite material consisting of aluminium oxide as a ceramic matrix and zirconium oxide dispersed therein. A method for the production thereof, components containing the composite and methods of using the same are also provided.