Abstract: The invention relates to a method for determining the quality of an imaging plate, comprising the steps of carrying out an exposure of the imaging plate, carrying out a scan of the imaging plate in order to determine an image, determining a signal-to-noise ratio of the image or/and carrying out edge recognition on the image and calculating a quality value of the imaging plate on the basis of the signal-to-noise ratio of the image or/and on the basis of the recognized edge structure. Furthermore, the invention relates to an imaging plate scanner for carrying out such a method.

Abstract: Disclosed is an apparatus for heating plastic preforms, having a transport device which transports the plastic preforms along a predetermined transport path, the transport device having a circulating transport and a plurality of holding devices for holding the plastic preforms, having a plurality of heating devices which are arranged stationarily along the transport path, in such a way that the plastic preforms transported along the transport path are heated by these heating devices, the heating devices each having a plurality of heating lamps, and the apparatus having a detection device which is configured to detect a failure of the heating lamps, wherein the apparatus has a control device which is configured to control the apparatus in dependence on a number of heating lamps detected having failed.

Abstract: The present invention relates to a method for manufacturing a product with a spatially structured surface from a semi-finished product, a semi-finished product required for this purpose and a product produced in this way. The method is characterized in that a patterned target bending location is produced in the semi-finished product, and in that the semi-finished product is then subjected to a pressure over its surface, which is dosed in such a way that the pressure causes a plastic deformation of the semi-finished product along the target bending location, so that a product with a spatially structured surface is produced.

Abstract: The pressure sensor of the invention includes at least one platform, at least one measuring membrane 30, and a transducer, wherein the measuring membrane comprises a semiconductor material, wherein the measuring membrane, enclosing a pressure chamber, is secured on the platform, wherein the measuring membrane is contactable with at least one pressure and is elastically deformable in a pressure-dependent manner, wherein the transducer provides an electrical signal dependent on deformation of the measuring membrane, wherein the platform has a membrane bed, on which the measuring membrane lies in the case of overload, in order to support the measuring membrane, wherein the membrane bed 21 has a glass layer 20, whose surface faces the measuring membrane and forms a wall of the pressure chamber, wherein the surface of the glass layer has a contour, which is suitable for supporting the measuring membrane 30 in the case of overload, characterized in that the contour of the membrane bed 21 is obtainable by a sagging

Abstract: A pressure sensor includes a sensor body with a sensor chamber in the interior, at least a first separating membrane, forming a first separating membrane chamber connected with the sensor body. A measuring membrane divides the sensor chamber into two chamber portions. A pressure transfer liquid, with which the first separating membrane chamber, the first chamber portion and a channel therebetween are filled, in order to transfer a pressure to the measuring membrane; wherein the pressure sensor is specified for a temperature range between a minimum temperature and a maximum temperature, as well as for a pressure range.

Abstract: A pressure measuring cell includes at least one ceramic measuring membrane body; and at least one ceramic platform, wherein the measuring membrane body is connected with the platform along an annular, peripheral joint. The joint is formed as a welded connection between the measuring membrane body and the platform, wherein the measuring membrane body has a pressure-dependently deformable measuring membrane. A pressure sensor includes a pressure measuring cell and a housing, wherein the pressure measuring cell is held by the housing, and wherein the pressure measuring cell closes a housing opening, through which the pressure measuring cell communicates with an environment of the housing. A seal is clamped between a sealing surface surrounding the opening of the housing and a sealing surface of the pressure measuring cell.

Abstract: The pressure sensor of the invention includes at least one platform, at least one measuring membrane 30, and a transducer, wherein the measuring membrane comprises a semiconductor material, wherein the measuring membrane, enclosing a pressure chamber, is secured on the platform, wherein the measuring membrane is contactable with at least one pressure and is elastically deformable in a pressure-dependent manner, wherein the transducer provides an electrical signal dependent on deformation of the measuring membrane, wherein the platform has a membrane bed, on which the measuring membrane lies in the case of overload, in order to support the measuring membrane, wherein the membrane bed 21 has a glass layer 20, whose surface faces the measuring membrane and forms a wall of the pressure chamber, wherein the surface of the glass layer has a contour, which is suitable for supporting the measuring membrane 30 in the case of overload, characterized in that the contour of the membrane bed 21 is obtainable by a sagging

Abstract: A method for manufacturing a connection between two ceramic parts comprises: providing a first ceramic part and a second ceramic part; providing an active hard solder, or active braze, on at least one surface section of at least one of the ceramic parts; and heating the active hard solder, or active braze, in a vacuum soldering, brazing process. The entire active hard solder, or active braze, for connecting the first and second ceramic parts is provided in such a manner that at least one surface section of at least one of the ceramic parts, preferably both ceramic parts, is coated by means of gas phase deposition of the alloy of the active hard solder, or active braze.

Abstract: A pressure sensor, comprising: a monocrystalline membrane body, which includes a measuring membrane and an edge region surrounding the measuring membrane. The edge region has a greater material thickness than the measuring membrane and the edge region has a first mounting surface, whose surface normal is given by a first principal crystal axis. A monocrystalline substrate, which, with respect to crystal structure, comprises the same semiconductor material as the membrane body, the substrate has a second mounting surface, whose surface normal extends parallel to the first principal crystal axis. The membrane body is tightly connected to the substrate by joining the first mounting surface to the second mounting surface. The orientations of other principal crystal axes of the membrane body and the substrate are, in each case, oriented parallel relative to one another.

Abstract: A method for manufacturing measuring transducers, especially pressure or pressure difference measuring transducers, in which a high degree of quality, safety and accuracy of measurement is achievable with little logistical and manufacturing effort. The measuring transducer has a memory readable and writable via an associated RFID interface, and at least one sensor for registering a physical, measured variable and for transducing such into an electrical variable, wherein the sensor is equipped with sensor electronics, which serves to condition the electrical variable into an electrical measurement signal dependent on the measured variable, and which is equipped with an RFID transponder, via which the sensor is supplied with energy, and via which measurement signals can be read out wirelessly.

Abstract: A pressure measuring cell includes at least one ceramic measuring membrane body; and at least one ceramic platform, wherein the measuring membrane body is connected with the platform along an annular, peripheral joint. The joint is formed as a welded connection between the measuring membrane body and the platform, wherein the measuring membrane body has a pressure-dependently deformable measuring membrane. A pressure sensor includes a pressure measuring cell and a housing, wherein the pressure measuring cell is held by the housing, and wherein the pressure measuring cell closes a housing opening, through which the pressure measuring cell communicates with an environment of the housing. A seal is clamped between a sealing surface surrounding the opening of the housing and a sealing surface of the pressure measuring cell.

Abstract: A flow measuring arrangement for measuring flow through a measuring tube comprises at least one constriction located in the measuring tube, which effects a reduction of a volume through which a medium flows; at least one deflectable membrane applied to said constriction, wherein deflection of the membrane effects a change of a volume through which medium flows in the measuring tube; a pressure measuring system connected to the measuring tube for measuring pressure (?p, p); measuring electronics, which determines flow based on the measured pressure (?p, p); an apparatus for producing a time variable deflection of the membrane and a diagnostic system, which determines an affect of said deflections of the membrane on the measured pressure (?p, p), and which diagnoses the flow measuring arrangement based on the deflections and determined effects thereof on the measured pressure (?p, p).

Abstract: A method for manufacturing a connection between two ceramic parts comprises: providing a first ceramic part and a second ceramic part; providing an active hard solder, or active braze, on at least one surface section of at least one of the ceramic parts; and heating the active hard solder, or active braze, in a vacuum soldering, brazing process. The entire active hard solder, or active braze, for connecting the first and second ceramic parts is provided in such a manner that at least one surface section of at least one of the ceramic parts, preferably both ceramic parts, is coated by means of gas phase deposition of the alloy of the active hard solder, or active braze.

Abstract: A pressure difference measuring cell for registering pressure difference between a first pressure and a second pressure, comprises: an elastic measuring arrangement having at least one measuring membrane, or diaphragm, that comprises silicon; a platform, which is pressure-tightly connected with the elastic measuring arrangement; a first hydraulic path for transferring a first pressure onto a first surface section of the elastic measuring arrangement; and a second hydraulic path for transferring a second pressure onto a second surface section of the elastic measuring arrangement. The first pressure opposes the second pressure, and the elastic deflection of the measuring arrangement is a measure for the difference between the first and the second pressure, wherein the pressure difference measuring cell has additionally at least one hydraulic throttle, characterized in that the at least one hydraulic throttle comprises porous silicon.

Abstract: An apparatus having at least one sensor for registering at least one chemical and/or physical, process variable, and at least one modularly constructed, measuring transducer circuit, which has at least one sensor unit, which ascertains a measured variable from the process variable registered by the sensor and supplies the sensor with energy as needed, and at least one application specific, signal processing unit for ascertaining a measured value of the measured variable, wherein a conditioned output signal is provided between the sensor unit and the application specific, signal processing unit, wherein the application specific, signal processing unit is exchangeably embodied, and wherein, as a function of a predeterminable accuracy of measurement with which the apparatus ascertains the measured values, a plurality of different types of application specific, signal processing units are provided.

Abstract: The pressure sensor of the invention includes at least one platform, at least one measuring membrane 30, and a transducer, wherein the measuring membrane comprises a semiconductor material, wherein the measuring membrane, enclosing a pressure chamber, is secured on the platform, wherein the measuring membrane is contactable with at least one pressure and is elastically deformable in a pressure-dependent manner, wherein the transducer provides an electrical signal dependent on deformation of the measuring membrane, wherein the platform has a membrane bed, on which the measuring membrane lies in the case of overload, in order to support the measuring membrane, wherein the membrane bed 21 has a glass layer 20, whose surface faces the measuring membrane and forms a wall of the pressure chamber, wherein the surface of the glass layer has a contour, which is suitable for supporting the measuring membrane 30 in the case of overload, characterized in that the contour of the membrane bed 21 is obtainable by a sagging

Abstract: A pressure sensor includes a sensor body with a sensor chamber in the interior, at least a first separating membrane, forming a first separating membrane chamber connected with the sensor body. A measuring membrane divides the sensor chamber into two chamber portions. A pressure transfer liquid, with which the first separating membrane chamber, the first chamber portion and a channel therebetween are filled, in order to transfer a pressure to the measuring membrane; wherein the pressure sensor is specified for a temperature range between a minimum temperature and a maximum temperature, as well as for a pressure range.

Abstract: A pressure sensor includes a hydraulic path filled with a pressure transfer liquid and a pressure transducer having a pressure sensitive deformation body. The hydraulic path includes a channel which extends from a pressure input opening at least to the deformation body, wherein the pressure input opening is spaced a separation distance from the deformation body, and wherein pressure on the deformation body deviates from pressure at the pressure input opening by the difference of the hydrostatic pressure of the pressure transfer liquid between the pressure input opening and the deformation body.

Abstract: A pressure transfer device comprises a hydraulic path, which is formed by a duct, which extends through a solid body arrangement from a pressure source to a pressure sink, wherein the pressure source comprises a separating diaphragm chamber, which communicates with the duct, and which is sealed with a flexible isolating diaphragm, wherein the isolating diaphragm is contactable with a pressure to be transferred, wherein the pressure sink comprises a sealed sink chamber, which communicates with the duct, wherein the separating diaphragm chamber, the duct and the pressure sink chamber are filled with a pressure transfer liquid, wherein the pressure transfer liquid has according to the invention a magnetically changeable viscosity, and wherein the pressure transfer means further comprises in at least one section of the hydraulic path at least one magnet for influencing the viscosity of the pressure transfer liquid.

Abstract: A pressure sensor, comprising: a monocrystalline membrane body, which includes a measuring membrane and an edge region surrounding the measuring membrane. The edge region has a greater material thickness than the measuring membrane and the edge region has a first mounting surface, whose surface normal is given by a first principal crystal axis. A monocrystalline substrate, which, with respect to crystal structure, comprises the same semiconductor material as the membrane body, the substrate has a second mounting surface, whose surface normal extends parallel to the first principal crystal axis. The membrane body is tightly connected to the substrate by joining the first mounting surface to the second mounting surface. The orientations of other principal crystal axes of the membrane body and the substrate are, in each case, oriented parallel relative to one another.