Abstract: An overload-resistant pressure measuring sensor includes a pressure sensor arranged in an interior of a sensor housing and can be exposed, through an opening in the sensor housing, to a medium under pressure of up to 1000 bar. The medium may be a hydrogen-containing medium and can be measured with high measurement accuracy. The pressure sensor is mounted on connection elements protruding into the interior and free-standing in the interior such that the pressure sensor is exposed to the pressure prevailing in the interior on all sides. The pressure sensor includes two ceramic measuring bodies connected to one another while enclosing a pressure chamber, and are each deformable by the pressure acting thereon, and further includes an electromechanical transducer which converts a mechanical variable that is dependent on a sum of the pressure-dependent deformations of both measuring bodies into a measurable electrical measurement variable.

Abstract: The present disclosure relates to a method for manufacturing a pressure sensor having a main body and a pressure-sensitive ceramic measurement membrane, wherein an outer edge of the measurement membrane is connected in a pressure-tight manner by an encircling joint to a surface of the main body facing the outer edge of the measurement membrane, wherein the joint includes a ternary active hard solder in eutectic composition: providing the main body, the measurement membrane and the active hard solder; positioning the active hard solder between the outer edge of the measurement membrane and the surface of the main body; heating the main body, the measurement membrane and the active hard solder to a joining temperature which essentially corresponds to a temperature of the eutectic point of the active hard solder.

Abstract: A pressure measuring device includes a ceramic pressure sensor and a process connection, the pressure sensor including a measuring membrane. The pressure measuring device further includes a carrier made of titanium and having a free-standing tubular carrier region running parallel to the surface normal onto the measuring membrane and having an end region adjacent the process connection connected to the process connection and an end region opposite the process connection to which the pressure sensor is fastened by a jointing that connects an outer edge of a front face of the pressure sensor to the end region of the carrier opposite the process connection and carries the pressure sensor.

Abstract: A pressure measuring device includes a ceramic pressure sensor including a ceramic measuring membrane and a sensor mounting configured to secure the pressure sensor such that a membrane region of the measuring membrane surrounded by a membrane edge is contactable with a medium having a pressure to be measured. The sensor mounting includes a titanium or titanium alloy mounting element including an opening through which the membrane region is contactable with the medium. The membrane edge is connected directly with the mounting element by a diffusion weld produced by a diffusion welding method.

Abstract: A pressure measuring sensor having a ceramic pressure sensor includes a temperature transducer to provide a thermovoltage dependent on a temperature gradient. The temperature transducer includes two series-connected thermoelements, each of which has a galvanic contact between a wire of the thermoelement and a connecting conductor connecting the galvanic contacts of the two thermoelements to one another. The temperature transducer enables the compensation for a measuring error caused by a temperature gradient occurring along the pressure measuring sensor.

Abstract: According to an embodiment of a first aspect of the invention, there is provided a distributed network comprising a plurality of nodes. Each of the plurality of nodes is configured to run one or more computational units comprising its own unit state. The network is configured to individually execute, by an execution subset of the plurality of nodes, s set of execution messages in a deterministic manner, thereby mutating the unit states of one or more of the computational units of the execution subset. The network is further configured to regularly make, by the nodes of the execution subset, a read snapshot of the unit states of the one or more computational units of the execution subset and to provide, by one or more nodes of the execution subset, user access to the read snapshot. Further aspects of the invention relate to a corresponding computer-implemented method, a node, a computer program product and a software architecture.

Abstract: A pressure measuring device includes a ceramic pressure sensor and a process connection, the pressure sensor including a measuring membrane. The pressure measuring device further includes a carrier made of titanium and having a free-standing tubular carrier region running parallel to the surface normal onto the measuring membrane and having an end region adjacent the process connection connected to the process connection and an end region opposite the process connection to which the pressure sensor is fastened by a jointing that connects an outer edge of a front face of the pressure sensor to the end region of the carrier opposite the process connection and carries the pressure sensor.

Abstract: A pressure measuring device includes a ceramic pressure sensor including a ceramic measuring membrane and a sensor mounting configured to secure the pressure sensor such that a membrane region of the measuring membrane surrounded by a membrane edge is contactable with a medium having a pressure to be measured. The sensor mounting includes a titanium or titanium alloy mounting element including an opening through which the membrane region is contactable with the medium. The membrane edge is connected directly with the mounting element by a diffusion weld produced by a diffusion welding method.

Abstract: A pressure sensor comprising two parts connected with one another via an active braze joint manufactured by active hard soldering, or brazing, with an active hard solder, or braze, especially a pressure contactable, pressure-dependently elastically deformable, measuring membrane, especially a ceramic measuring membrane, and a platform, especially a ceramic platform, which are connected by an active braze joint connecting an outer edge of the measuring membrane (which covers a pressure chamber with an outer edge of an end of the platform facing the measuring membrane, whose measuring characteristics are improved in that the active braze joint has a coefficient of thermal expansion dependent on the dimensions of the active braze joint and on the materials of the parts and matched to a coefficient of thermal expansion of at least one of the parts, especially the measuring membrane.

Abstract: A pressure measurement cell comprises: a ceramic counter body; a ceramic measuring diaphragm which is joined in a pressure-tight manner with the counter body, creating a measurement chamber between the counter body and the measuring diaphragm, by means of a circumferential joint. The measuring diaphragm can be deformed by a pressure to be measured; an electrical converter for converting a pressure-dependent deformation of the measuring diaphragm into an electrical signal; and a temperature transducer for providing at least one electrical signal dependent on a temperature or on a temperature gradient of the pressure measurement cell. The temperature transducer comprises at least one first thermocouple having a galvanic contact between a first conductor with an electrically conductive material and a second conductor with at least one second electrically conductive material.

Abstract: An active brazing material for the energy-efficient production of active-brazed connections that consists of layer sequences arranged on top of one another, the layer sequences of which consist of layers arranged on top of on another, the layer sequences of which each comprise at least one layer of brazing material, wherein the layers of brazing material of each layer sequence each contain at least one component of a base active braze and, in conjunction with each other, contain all components of the base active braze, the layer sequences of which each comprise at least one first reaction layer consisting of a first reactant to which at least one second reaction layer is directly adjacent in the active brazing material and consists of a second reactant that exothermally reacts with the first reactant, wherein an enthalpy of formation of the exothermic reaction of the reactants is greater than or equal to 45 kJ/mol—in particular, greater than or equal to 50 kJ/mol.

Abstract: A pressure measurement cell is disclosed including a base body, substantially cylindrical at least in sections, a measuring membrane joined to the base body in a pressure-tight manner along a perimeter joint to form a measurement chamber between the base body and the measuring membrane, and a joining material that joins the perimeter joint between the base body and the measuring membrane. The base body and/or the measuring membrane have/has a stepped recess into which the joining material is at least partially disposed, the stepped recess structured to yield a minimum distance between the base body and the measuring membrane.

Abstract: A method for producing a connection between two surfaces or surface sections of two ceramic parts comprises: provision of a first ceramic part and of a second ceramic part; provision of an active brazing solder material on at least one surface section of at least one of the ceramic parts; and heating the active brazing solder in a vacuum brazing process. The whole active brazing solder material is provided for connecting the first and the second ceramic part by a sputtering method, wherein at least one surface section of at least one of the ceramic parts, preferably of the two ceramic parts, is layered with a layer sequence of individual components of the active brazing solder material, wherein the average strength of the layers of an individual component of the active brazing solder is no more than 0.5%, in particular not more than 0.2%, preferably not more than 0.1% and especially preferably not more than 0.05% of the strength of the joining region.

Abstract: A versatilely usable pressure sensor is described, which has a ceramic pressure measuring cell (5) clamped in the pressure sensor with interpositioning of a seal (1) outwardly sealing an interior of the pressure sensor and loadable via an opening (3) of the pressure sensor with a pressure (p) to be measured, and whose seal (1) comprises a film (21) of a thermoplastic material, especially polytetrafluoroethylene (PTFE), clamped (in an axial direction and extending perpendicularly to planes of the sealing surfaces (25, 27)) between a form-retaining, planar sealing surface (25) of the pressure measuring cell (5) and a form-retaining sealing surface (27, 27?) of a counterbody (19, 19?) outwardly surrounding the opening (3), characterized in that the film (21) includes a first film segment (23), which is clamped between the sealing surface (25) of the pressure measuring cell (5) and the sealing surface (27, 27?) of the counterbody (19), and the film (21) includes a second film segment (29), which extends over a la

Abstract: A pressure sensor comprising: a solid metal sensor body, having a front region and a base adjoining thereto, which has an outer edge, which can be clamped by means of a fastening device; a recess, which is provided in the front region and is open towards a front side of the front region that faces away from the base; a metal measuring diaphragm, to which a pressure is applied from outside during measurement operation and which can be deformed elastically depending upon the pressure, is arranged on the front side of the sensor body, closes off the recess from the outside, and is spaced apart from the outer edge of the front region; and an electromechanical transducer for detection, by means of measuring the pressure-dependent deformation of the measuring diaphragm, having at least one measuring element, which is electrically insulated from the measuring diaphragm and the sensor body by means of an insulating element.

Abstract: A pressure measurement cell, comprising: a ceramic measurement membrane and a ceramic counterpart. The measurement membrane is joined to the counterpart in a pressure-tight manner forming a pressure chamber between the measurement membrane and the counterpart by means of an active brazing solder. The pressure measurement cell furthermore has a solder stop layer on a surface of the measurement membrane and/or the counterpart, wherein the solder stop layer has a metal oxide or a reduced form of the metal oxide. The metal oxide has at least one oxidation stage, which, assuming an activity coefficient of Rakt=1 at an inverse temperature of 8·10?4/K, has an oxygen coexistence decomposition pressure of not less than 1?23 MPa (10?23· bar) and not more than 1?12 MPa (10?12· bar) and which, assuming an activity coefficient of Rakt=1, at an inverse temperature of 9·10?4/K has an oxygen coexistence decomposition pressure of not less than 1?27 MPa (10?27 bar) and not more than 1?15 MPa (10?15 bar).

Abstract: A differential pressure measuring cell comprises a measuring membrane; two opposing bodies; and one converter. The measuring membrane is arranged between the opposing bodies and is connected in a pressure-tight manner to the two opposing bodies, forming in each case one measuring chamber. The opposing bodies each have a pressure duct through which a pressure can be made to act upon the respective measuring chamber. The converter is provided in order to convert a deformation of the measuring membrane, which deformation is dependent upon a difference between the pressures, into an electrical signal; wherein the opposing bodies each have a chamber section oriented toward the measuring membrane and a rear wall section oriented away from the measuring membrane with, between these, a decoupling chamber.

Abstract: A pressure measurement cell comprises: a ceramic counter body; a ceramic measuring diaphragm which is joined in a pressure-tight manner with the counter body , creating a measurement chamber between the counter body and the measuring diaphragm , by means of a circumferential joint. The measuring diaphragm can be deformed by a pressure to be measured; an electrical converter for converting a pressure-dependent deformation of the measuring diaphragm into an electrical signal; and a temperature transducer for providing at least one electrical signal dependent on a temperature or on a temperature gradient of the pressure measurement cell. The temperature transducer comprises at least one first thermocouple having a galvanic contact between a first conductor with an electrically conductive material and a second conductor with at least one second electrically conductive material.

Abstract: A method for connecting a component to a support via soldering between a first contact surface of the component and a second contact surface of the support. The method is distinguished by features including that at least one spacer is embodied in such a manner and arranged between the first contact surface and the second contact surface that the first contact surface and the second contact surface are spaced from one another, and that the soldering is executed in such a manner that the component and the support are connected with one another via the first contact surface and the second contact surface. Also claimed is a component connectable with a support via soldering is intended.

Abstract: A pressure sensor comprising two parts connected with one another via an active braze joint manufactured by active hard soldering, or brazing, with an active hard solder, or braze, especially a pressure contactable, pressure-dependently elastically deformable, measuring membrane, especially a ceramic measuring membrane, and a platform, especially a ceramic platform, which are connected by an active braze joint connecting an outer edge of the measuring membrane (which covers a pressure chamber with an outer edge of an end of the platform facing the measuring membrane, whose measuring characteristics are improved in that the active braze joint has a coefficient of thermal expansion dependent on the dimensions of the active braze joint and on the materials of the parts and matched to a coefficient of thermal expansion of at least one of the parts, especially the measuring membrane.