Abstract: An apparatus has a circuitry which detects a first biometric feature of a user; detects a second biometric feature of the user, wherein the second biometric feature is detected based on image data representing the second biometric feature, and wherein the second biometric feature differs from the first biometric feature; and estimates an illumination indication for the second biometric feature, based on the image data.

Abstract: The present invention relates to a dialysis machine having a hydraulic system that is intended for providing a dialysis solution or an element of the dialysis solution, wherein the hydraulic system has a degassing pump for degassing the dialysis solution or an element of the dialysis solution, and having a pneumatic system in which a vacuum is present at least at times for operating a component of the dialysis machine, wherein there is a connection line between the suction side of the degassing pump and the pneumatic system for a vacuum generation in the pneumatic system.

Abstract: A bulk SiC single crystal is produced by placing an SiC seed crystal in a crystal growth region of a growth crucible, and introducing SiC source material into an SiC reservoir region, and the bulk SiC single crystal is grown on from an SiC growth gas phase by deposition. The growth crucible is surrounded by an insulation that extends rotationally symmetrically and axially towards the central middle longitudinal axis. The insulation has mutually concentric insulation cylinder components and the insulation is notionally divided into insulation ring segments that are in turn notionally divided into volume elements. The insulation cylinder components are selected and positioned relative to one another such that every volume element of the insulation ring segment in question has a volume element density varying by not more than 10% from an average insulation ring segment density of the insulation ring segment in question.

Abstract: An apparatus for treating a medical fluid is provided which includes a treatment machine having a coupling surface, with a cassette made of a hard part having liquid-conducting passages which are covered by a flexible film being able to be coupled to the coupling surface of the treatment machine. A corresponding medical cassette is also provided. An air-free coupling of the flexible film of the cassette to the treatment machine is ensured in that air can be sucked out areally along a plane between the flexible film and the coupling surface during the coupling process and/or with a coupled cassette. A method for coupling the cassette and a method for checking the leaktightness of the cassette via the vacuum control of the air suction is also provided.

Abstract: An imaging optical unit serves within a metrology system for examining a lithography mask. The lithography mask can be arranged in an object field of the imaging optical unit. The object field is defined by two mutually perpendicular object field coordinates. The imaging optical unit has an aperture stop of which the aspect ratio in the direction of the two object field coordinates differs from 1. This results in an imaging optical unit which can be used for the examination of lithography masks that are designed for projection exposure with an anamorphic projection optical unit.

Abstract: The present invention relates to a silicon carbide (SiC) substrate with improved mechanical and electrical characteristics. Furthermore, the invention relates to a method for producing a bulk SiC crystal in a physical vapor transport growth system. The silicon carbide substrate comprises an inner region (102) which constitutes at least 30% of a total surface area of said substrate (100), a ring shaped peripheral region (104) radially surrounding the inner region (102), wherein a mean concentration of a dopant in the inner region (102) differs by at least 1-1018 cm-3 from the mean concentration of this dopant in the peripheral region (104).

Abstract: A catadioptric projection objective for images an object field onto an image field via imaging radiation. The projection objective includes at least one reflective optical component and a measuring device. The reflective optical component, during the operation of the projection objective, reflects a first part of the imaging radiation and transmits a second part of the imaging radiation. The reflected, first part of the imaging radiation at least partly contributes to the imaging of the object field. The transmitted, second part of the imaging radiation is at least partly fed to a measuring device. This allows a simultaneous exposure of the photosensitive layer at the location of the image field with the imaging radiation and monitoring of the imaging radiation with the aid of the measuring device.

Abstract: A system including circuitry configured to determine a reflectance feature of a liquid based on reflectance image data generated based on multispectral image data of the liquid; determine a structural feature of the liquid based on image data of the liquid; and to provide quality information of the liquid based on the reflectance feature and the structural feature.

Abstract: A system including circuitry configured to process multispectral image data of a meal to obtain information on the contents of the meal; and generate, based on the obtained information, a query with guidance to change image capture settings.

Abstract: A method for producing engine components with a complex geometric structure particularly for an aircraft engine, includes providing a first component that has a first sintered state with a first degree of compaction; providing at least one second component that has a second sintered state with a second degree of compaction; wherein the second degree of compaction is lower than the first degree of compaction; and wherein the at least one second component has an opening, into which a portion of the first component is introducible; and wherein the opening is dimensioned to close substantially completely during a sintering joining process, to form a force-fitting sintered joint with the first component; introducing the first component into the opening; and carrying out the sintering joining process.

Abstract: The production of engine parts with a complex geometrical structure. More particularly, a method for producing a complex part, comprising making available a first component, having a thermal expansion coefficient of the first component; a first joining surface; and a first bearing surface; making available a second component, having a thermal expansion coefficient of the second component; a second joining surface; a second bearing surface; and making available a jacket element, having a thermal expansion coefficient of the jacket element; and a jacket-element bearing surface; and heating the first component, the second component and the jacket element from a first temperature to a second temperature in order to carry out a joining process on the first component and the second component. Furthermore, a part, in particular for a gas turbine engine for an aircraft, and to a gas turbine engine of this kind.

Abstract: A check valve assembly having an inlet and an outlet for medical fluids, comprising a valve body, wherein the check valve assembly in an initial state allows a flow of a working fluid and/or a sterilization fluid through the check valve assembly in both directions of flow, that is from the inlet to the outlet and vice versa, and wherein the check valve assembly in an operating state allows only one direction of flow of the working fluid, wherein the check valve assembly comprises a pin-pin-reception connection, which is embodied so that the check valve assembly can be transferred from the initial state into the operating state by applying force on the pin-pin-reception connection and/or by an impression of path on the pin-pin-reception connection.

Abstract: A cutting device, knife carrier suitable for use in the cutting device, a cutting system and method for cutting a strand of stacked bands of a food product are disclosed. The cutting device, knife carrier, cutting system and method combine a transverse cutting knife with a diagonal cutting knife disposed at an oblique angle with respect to the transverse cutting knife. The diagonal cutting knife diagonally cuts the stack simultaneously with transverse cutting of the stack by the transverse cutting knife to form substantially triangular prism shaped stacks made of corresponding substantially triangular shaped slices.

Abstract: In an image processing system a processor is configured to perform an image processing method. The method performs receiving a spectral image of a person's skin and identifying the person based on the received spectral image of the person's skin and skin reflectance information.

Abstract: The invention relates to a method for testing at least one function of a medical functional device which is inserted in and connected and compressed with a medical treatment apparatus, and/or a function of this treatment apparatus, wherein between a hydraulic device or a pneumatic unit of the treatment apparatus and the functional device at least one fluid communication is established. It further relates to a detection device which is programmed and/or configured for executing the method according to the invention as well as a medical treatment apparatus which comprises at least one detection device and/or is in signal transmission or is connected for signal transmission with it, a digital storage medium, a computer program product as well as a computer program.

Abstract: An arrangement for examining a sample which can be excited by means of electromagnetic radiation comprises a first dichroitic beam splitter having a first and a second prism, which are connected to one another on the base surfaces thereof, and a dichroitic layer arranged between the base surfaces of the two prisms, wherein an entry surface of the first prism encloses an angle (?) in the range from 10° to <40° with the dichroitic layer. Furthermore a light source provides the electromagnetic radiation suitable for excitation of the sample, the radiation coupled into the entry surface of the first prism, wherein a part of the radiation is reflected on the dichroitic layer in the direction of the sample, which is positioned downstream of an exit surface of the first prism. Finally, a detector detects electromagnetic radiation emitted by the sample, passed through the beam splitter and leaving the latter on a measurement surface.

Abstract: The present invention relates to a chamfered silicon carbide substrate which is essentially monocrystalline, and to a corresponding method of chamfering a silicon carbide substrate. The silicon carbide substrate (100) comprises a main surface (102) and a circumferential end face surface (114) which is essentially perpendicular to the main surface (102), and a chamfered peripheral region (110), wherein a first bevel surface (106) of the chamfered peripheral region (110) includes a first bevel angle (a1) with said main surface (102), and wherein a second bevel surface (108) of the chamfered peripheral region (110) includes a second bevel angle (a2) with said end face surface (114), wherein, in more than 75% of the peripheral region, said first bevel angle (a1) has a value in a range between 20° and 50°, and said second bevel angle (a2) has a value in a range between 45° and 75°.

Abstract: The present invention relates to a chamfered silicon carbide substrate which is essentially monocrystalline, and to a corresponding method of chamfering a silicon carbide substrate. A silicon carbide substrate according to the invention comprises a main surface (102), wherein an orientation of said main surface (102) is such that a normal vector ({right arrow over (O)}) of the main surface (102) includes a tilt angle with a normal vector ({right arrow over (N)}) of a basal lattice plane (106) of the substrate, and a chamfered peripheral region (110), wherein a surface of the chamfered peripheral region includes a bevel angle with said main surface, wherein said bevel angle is chosen so that, in more than 75% of the peripheral region, normal vectors ({right arrow over (F)}_i) of the chamfered peripheral region (110) differ from the normal vector of the basal lattice plane by less than a difference between the normal vector of the main surface and the normal vector of the basal lattice plane of the substrate.

Abstract: A cutting device, knife carrier suitable for use in the cutting device, a cutting system and method for cutting a strand of stacked bands of a food product are disclosed. The cutting device, knife carrier, cutting system and method combine a transverse cutting knife with a diagonal cutting knife disposed at an oblique angle with respect to the transverse cutting knife. The diagonal cutting knife diagonally cuts the stack simultaneously with transverse cutting of the stack by the transverse cutting knife to form substantially triangular prism shaped stacks made of corresponding substantially triangular shaped slices.

Abstract: The present disclosure relates to a medical condensate trap for use in external blood treatment by means of a blood treatment apparatus. The condensate trap comprises an interior; a first connection for connecting the interior in fluid communication to a gas outlet of the blood treatment apparatus; a second connection for connecting the interior in fluid communication to a gas inlet of the blood treatment apparatus; and a third connection for connecting the interior to an air port of a blood treatment device. The blood treatment device may be, for example, a blood tubing set or a blood cassette.