Abstract: A temperature sensor, particularly a high-temperature sensor, is provided in which an MI line or a heat-decoupling wire is arranged between the measurement resistor (chip) and the supply-line cable. Springs are stuck on the strands of the MI line, whereby the contacting to the measurement resistor is realized, or the heat-decoupling wire is stretched on one side to the end facing the measurement resistor and is connected elastically on the other end to the supply-line cable.

Abstract: A housing between mineral-insulated cable and connecting wire in a turbocharger overheating protection device may include the following characteristics: coiled regions of springs (10) arranged point-symmetrically to each other; or the springs (10) are not placed on axes; or the coil regions of the coil springs (10) for cushioning the film resistor are shorter than its substrate length and longer than its substrate width; or the connecting wires of the film resistor are shorter than its substrate length and longer than its substrate width; or the springs are arranged staggered in their longitudinal direction adjacent to each other; or coil springs (10) are used, in which the coils are located only in one half of the spring (10) and the coils of one spring are arranged staggered in the longitudinal direction to the coils of the other spring (10).

Abstract: A coated wire is solderable with soft solder while maintaining separate phases of the core and the coating. A 100 ?m to 400 ?m thick nickel wire may be coated galvanically with silver. For a film resistor with coated wires as connection wires, including a platinum measurement resistor on an electrically insulating substrate and connection wires connected to the measurement resistor, the connection wires have a coated nickel core. The coating may be made of silver or glass or ceramic or a mixture of these materials, or on its outside may be made of glass or ceramic or a mixture of these materials. For producing film resistors a thin metal or glass component is deposited on a connection wire connected to a track conductor arranged on an electrically insulating substrate, and a thick glass paste is deposited and fired on this metal or glass component. For mass production of film, several film resistors encased together in glass may be partitioned by fracturing.

Abstract: A sensor, particularly an impedance sensor, for example a soot sensor, is provided which has two mutually electrically insulated electrodes, wherein at least one external electrode is formed from a composite of metal and inorganic oxide as a film pattern having a film thickness of 0.5 to 20 ?m. The trace width of the film pattern and the spacing between the traces is 5 to 70 ?m and the border region around the conductor trace edge varies less than 10 ?m. Both electrodes can be arranged adjacent to each other as a film pattern in a plane. Preferably, the sensor has a heater. For mass production, electrodes are produced as a film pattern having a film thickness of 0.5 to 20 ?m on electrically insulating oxide bases and, following full-surface imprinting of a metal powder and oxide-containing paste, the electrodes are structured particularly accurately as traces from the printed film. In particular, the film thickness of the printed film is reduced.

Abstract: A resistance thermometer is provided having a measuring resistor in a form of a 0.1 to 10 ?m thick structured platinum layer applied to an electrically insulated surface of a substrate and an electrically insulating coating layer covering the platinum layer. The substrate or its surface contains zirconium dioxide, which is stabilized with oxides of a trivalent and a pentavalent metal. Preferably, the trivalent metal is yttrium and the pentavalent metal is tantalum or niobium. The characteristic curve of the measuring resistor preferably conforms to DIN-IEC 751. For mass production of resistance thermometers having high and reproducible measurement accuracy, a structured platinum layer having a thickness of 0.1 to 10 ?m is applied to an electrically insulating substrate having a thermal expansion coefficient in the range of 8.5 to 10.5×10?6/° K and a roughness less than 1 ?m, and the structured platinum layer is covered by an electrical insulator.

Abstract: A measurement device, particularly an anemometric measurement device, is provided for mounting in an exhaust-gas pipe, particularly an exhaust-gas recirculation pipe. The device includes a ceramic carrier embedded in an injection-molded housing made of plastic, with at least one film resistor mounted on the ceramic carrier on an end opposite the embedding. Electrical connections lead out from the film resistor to the embedded end of the ceramic carrier, and the electrical connections are passed through the injection molding, sealed and mounted within the injection-molded part. Additional components can be used for the sealing and mounting.

Abstract: A high temperature-stable sensor is provided in which electrodes on a substrate or an insulation layer are in contact with a sensitive layer, wherein the electrodes have platinum, rhodium, or iridium or an electrically conductive oxide layer. For this purpose, an intermediate product is provided as a platform chip, which has a deposited layer made of platinum, rhodium, or iridium or an alloy of platinum, rhodium, or iridium and is covered by an electrically conductive oxide. From the deposited layer, a conductive structure is formed and thus a platform chip is created with an electrically conductive structure subject to external influences. This structure has an electrically conductive oxide and/or its parts have long-term, stable characteristic resistance curves under high-temperature loading above about 500° C., especially between about 600° C. and 950° C. A sensor with a gas-sensitive layer formed as a gas-sensitive sensor is preferred.

Abstract: The invention relates to the arrangement of a film resistor (chip) in an exhaust-gas pipe or exhaust-gas recirculation pipe, wherein the film resistor is fixed in a carrier, which is sealed against a shield or a housing, wherein this shield or housing is connected tightly to the exhaust-gas pipe or exhaust-gas recirculation pipe, wherein the carrier and the shield or the housing are sealed against each other spaced apart from the exhaust-gas pipe or exhaust-gas recirculation pipe radially outside of this pipe.

Abstract: A flow sensor element and a method for self-cleaning of the flow sensor element are provided, in which a temperature-measuring element and a heating element are arranged on a carrier element, and these elements can form a multiple-part ceramic component. The temperature-measuring element has a platinum thin-film resistor on a ceramic substrate for the temperature measurement and is heated with an additional platinum thin-film resistor. A measurement device, in particular an anemometric measurement device of a flow sensor, contains film resistors mounted in at least one opening of a cover or a hollow body. Two of the film resistors have resistance values differing by one to three orders of magnitude. The anemometric measurement device has a temperature sensor and a heat output sensor set in a carrier element. The temperature sensor has a temperature-measuring resistor and a heat conductor, as platinum thin-film or thick-film resistors, on a ceramic substrate.

Abstract: A temperature sensor, particularly a high-temperature sensor, is provided in which an MI line or a heat-decoupling wire is arranged between the measurement resistor (chip) and the supply-line cable. Springs are stuck on the strands of the MI line, whereby the contacting to the measurement resistor is realized, or the heat-decoupling wire is stretched on one side to the end facing the measurement resistor and is connected elastically on the other end to the supply-line cable.

Abstract: A soot sensor has a soot-sensitive noble-metal structure formed as strip conductor sections on an electrically insulating carrier, whose strip conductor sections are between 5 and 100 ?m wide and are spaced apart from each other between 5 and 100 ?m. The electrically insulating carrier may be a single crystal and the noble metal crystallized out on a surface of the single crystal, or the electrically insulating carrier may be polycrystalline and the noble metal crystallized out on the polycrystalline, electrically insulating carrier.

Abstract: A measurement device, particularly an anemometric measurement device, is provided for mounting in an exhaust-gas pipe, particularly an exhaust-gas recirculation pipe. The device includes a ceramic carrier embedded in an injection-molded housing made of plastic, with at least one film resistor mounted on the ceramic carrier on an end opposite the embedding. Electrical connections lead out from the film resistor to the embedded end of the ceramic carrier, and the electrical connections are passed through the injection molding, sealed and mounted within the injection-molded part. Additional components can be used for the sealing and mounting.

Abstract: A measurement device, in particular anemometric measurement device of a flow sensor, contains film resistors in one or more opening(s) of a cover or a hollow body. The film resistors are fastened according to the invention in the opening(s). Two film resistors differ with respect to their resistance by one to three orders of magnitude. In an anemometric measurement device of a flow sensor according to the invention, a temperature sensor and a heating capacity sensor are placed in a carrier element. The temperature sensor has a temperature-measuring resistor and a heat conductor as platinum thin-film or thick-film resistors on a ceramic substrate. For self-cleaning of an anemometric measurement device of a flow sensor, in which a temperature-measuring element and a heating element are placed in a carrier element, the temperature-measuring element has a platinum thin-film resistor on a ceramic substrate for temperature measurement and is heated with an additional platinum thin-film resistor.

Abstract: For production of a high-temperature sensor, in which a platinum resistance film is applied on a metal-oxide substrate, in particular sapphire or a ceramic plate, and a ceramic intermediate layer is laid on the resistance film, a self-supporting cover, in particular a ceramic or glass-ceramic cover, is bonded on the ceramic intermediate layer or a glass ceramic is mounted on the intermediate layer over its entire surface. Advantageously, the glass ceramic is electrically conductive or an ion conductor above 750° C. and is laid on up to the cathode of the resistance film up to beyond the intermediate layer. In particular, the cover is bonded with a metal-doped glass ceramic, which is laid on the cathode of the resistance film up to beyond the intermediate layer. Preferably, the electrically insulating intermediate layer is coated with a glass ceramic or a glass ceramic doped with metal, which coating has a resistance of at most one megaohm per square at 850° C. or above.

Abstract: A coated wire is solderable with soft solder while maintaining separate phases of the core and the coating. A 100 ?m to 400 ?m thick nickel wire may be coated galvanically with silver. For a film resistor with coated wires as connection wires, including a platinum measurement resistor on an electrically insulating substrate and connection wires connected to the measurement resistor, the connection wires have a coated nickel core. The coating may be made of silver or glass or ceramic or a mixture of these materials, or on its outside may be made of glass or ceramic or a mixture of these materials. For producing film resistors a thin metal or glass component is deposited on a connection wire connected to a track conductor arranged on an electrically insulating substrate, and a thick glass paste is deposited and fired on this metal or glass component. For mass production of film, several film resistors encased together in glass may be partitioned by fracturing.

Abstract: A high-temperature platform chip has at least three electrodes on an electrically insulating substrate constructed as a heating plate with a heat conductor on the back side.

Abstract: A flow sensor element and a method for self-cleaning of the flow sensor element are provided, in which a temperature-measuring element and a heating element are arranged on a carrier element, and these elements can form a multiple-part ceramic component. The temperature-measuring element has a platinum thin-film resistor on a ceramic substrate for the temperature measurement and is heated with an additional platinum thin-film resistor. A measurement device, in particular an anemometric measurement device of a flow sensor, contains film resistors mounted in at least one opening of a cover or a hollow body. Two of the film resistors have resistance values differing by one to three orders of magnitude. The anemometric measurement device has a temperature sensor and a heat output sensor set in a carrier element. The temperature sensor has a temperature-measuring resistor and a heat conductor, as platinum thin-film or thick-film resistors, on a ceramic substrate.

Abstract: The present invention relates to soot sensors based on one-piece strip conductor structures, to methods for measuring soot, and to the use of heat conductor chips for soot measurement. For this purpose, the invention is based on the sensitivity of intensive variables, especially substance-specific variables. According to the invention, an electric soot sensor is provided, in which at least one chip is provided with at least one one-piece strip conductor having, in particular, two terminal panels, and the soot sensor has a soot determination facility that is adapted to determine an intensive or specific change of a surface. The inventive method is characterized by soot deposits causing a change of an intensive variable, especially of a thermospecific or electrical parameter of a chip, and by determination of said variable.

Abstract: A temperature probe is provided having a sensor element formed from a ceramic substrate and a platinum thin-film resistor arranged thereon. The platinum thin-film resistor is electrically connected with at least two terminal wires, with the at least two terminal wires each being electrically and mechanically connected with a contact pin in a connection area on their side facing away from the sensor element. The diameter of the terminal wires is smaller than the diameter of the contact pins, and the connection area is covered by a glass bead. Use of the temperature probe in a temperature range of about ?70° C. to +600° C. is ideal.

Abstract: A flow sensor element is provided having at least one temperature-measuring element and at least one heating element each having at least one platinum thin film resistor, the at least one temperature-measuring element and the at least one heating element each being arranged on a carrier element which is formed from a ceramic foil laminate or a multi-part ceramic component. The carrier elements have electrical conductor paths and junction surfaces for electrically contacting the at least one temperature-measuring element and the at least one heating element. The at least one temperature-measuring element and the at least one heating element each have a metallic carrier foil with an electrically insulating coating, on which the platinum thin film resistors are arranged. The flow sensor element may be used for mass through-flow measurements of gaseous or liquid media in pipe ducts, for example in an exhaust gas pipe of an internal combustion engine.