Abstract: A micro-hotplate apparatus including a diaphragm carrier device; a diaphragm that at least in part spans at least one cavity embodied in the diaphragm carrier device; and at least one heating conductor disposed on and/or in the diaphragm, the micro-hotplate apparatus additionally encompassing at least one reflector element that is disposed on an inner side, directed toward the cavity, of the diaphragm, in such a way that by way of the at least one reflector element a thermal radiation emitted from the at least one heating conductor and/or from the diaphragm is reflectable at least in part back onto and/or into the diaphragm. A sensor having a micro-hotplate apparatus is also described.

Abstract: A sensor array and a method are provided for operating a sensor array with a first sensor and a second sensor, the second sensor being designed for an operation at an ambient temperature, the first sensor representing a heated sensor, which is designed for being operated at an operating temperature that is above the ambient temperature, the first and the second sensor being connected to each other via a carrier, the carrier bringing about thermal coupling between the first and the second sensor, the first sensor being heated to the operating temperature during a first phase, and a measurement being carried out by the first sensor during the first phase, the heating being switched off or at least being reduced in a second phase, and a measurement being carried out by the second sensor during the second phase, an increased temperature of the second sensor as a result of the heating during the first phase being taken into account when evaluating the measurement of the second sensor.

Abstract: An exhaust gas guide element for conducting at least a portion of an exhaust gas to a sensor for a vehicle. The exhaust gas guide element has a greater extent in a direction of a longitudinal axis than in a direction of a transverse axis, and is gas-permeable along the direction of the longitudinal axis. One end of the gas guide element along the direction of the longitudinal axis is configured as a receiving region, and the opposite end is configured as a measuring region. A sensor can be positioned in the measuring region, and a gas receiving element is positioned in the receiving region.

Abstract: A chemically sensitive field effect transistor includes a substrate, a conductor track structure situated on the substrate, and a functional layer which is contacted via the conductor track structure. To be able to form a thin, oxidation-stable and temperature-stable conductor track structure, the conductor track structure is made of a metal mixture which includes platinum and one or more metals selected from the group made up of rhodium, iridium, ruthenium, palladium, osmium, gold, scandium, yttrium, lanthanum, the lanthanides, titanium, zirconium, hafnium, niobium, tantalum, chromium, tungsten, rhenium, iron, cobalt, nickel, copper, boron, aluminum, gallium, indium, silicon, and germanium.

Abstract: A micromechanical solid-electrolyte sensor device includes a micromechanical carrier substrate having a front side and a back side. The micromechanical solid-electrolyte sensor device also includes a first porous electrode and a second porous electrode. The micromechanical solid-electrolyte sensor device also includes a solid-electrolyte embedded between the first porous electrode and the second porous electrode.

Abstract: A sensor component is described for a gas and/or liquid sensor having a substrate having at least one first printed conductor and a second printed conductor, which are fashioned such that a voltage can be applied, and having at least one sensitive semiconductor material, additionally including at least one trench a contact segment of the first printed conductor and a contact segment of the second printed conductor being situated on two inner side surfaces at a distance from one another, and the at least one sensitive semiconductor material being filled into the at least one trench in the form of at least one particle, grain, and/or crystal, at least between the first contact segment of the first printed conductor and the first contact segment of the second printed conductor. Also described is a production method for a sensor component for a gas and/or liquid sensor. In addition, also described is a method for detecting at least one material in a gaseous and/or liquid medium.

Abstract: An outer part for a device which is attachable thereto as a housing and/or an attachment part, a first reflective surface and a second reflective surface being formed on the outer part so that at least one signal emitted by an optical and/or acoustic source is directly or indirectly deflectable onto at least one detector surface of an optical and/or acoustic detector, an optical path being configured as a cavern or continuous recess in the outer part or as a depression of a boundary surface of the outer part, the optical path having at least one opening via which at least one substance is transferable into the optical path, and the at least one signal being deflectable into the optical path to the second reflective surface which is formed at a second end of the optical path with the first reflective surface at a first end of the optical path.

Abstract: A device for emitting electromagnetic radiation includes at least one optical semiconductor element configured to generate electromagnetic radiation, at least one photodiode, and at least one beam splitter. The beam splitter is arranged relative to the optical semiconductor element and the photodiode in such a way that one portion of the electromagnetic radiation generated by the optical semiconductor element passes through the beam splitter and a further portion of the electromagnetic radiation generated by the optical semiconductor element is reflected by the beam splitter and is directed onto the photodiode.

Abstract: An optical assembly includes at least one optical semiconductor component which is configured for electroluminescence. The optical semiconductor component is further configured to generate electromagnetic radiation distributed around a radiation maximum. At least one short-pass edge filter is positioned in a beam path of the electromagnetic radiation. A limiting wavelength of the short-pass edge filter is greater than a wavelength of the radiation maximum by a predefined amount.

Abstract: A device, a method, and a use thereof for detecting a concentration of a gas or of a gas component. The device as a gas sensor includes at least one sensor element including a gas-sensitive layer and a heating element for heating the gas-sensitive layer. The heating element is able to heat the sensitive layer to a desired temperature prior to the detection and/or is able to maintain it at a desired temperature during the detection. The heating element allows the gas-sensitive layer to be outgassed if needed, so as to allow absorption again. To heat the heating element, there is a first contacting to which a first voltage may be applied. Moreover, subsequent to the heating step, a second voltage may be applied to the sensor element or to the gas-sensitive layer for measured value detection with the aid of a second contacting.

Abstract: An optical assembly configured to emit electromagnetic radiation comprises first and second electroluminescent semiconductor components positioned adjacent to each other. The first electroluminescent semiconductor component is transparent to electromagnetic radiation generated by the second electroluminescent semiconductor component, and the second electroluminescent semiconductor component is transparent to electromagnetic radiation generated by the first electroluminescent semiconductor component. The first electroluminescent semiconductor component and the second electroluminescent semiconductor component are configured to actuate independently of each other.

Abstract: A method for analyzing a gas includes measuring a concentration of a chemical species of the gas in a measuring space of a gas sensor. The gas sensor has a semiconductor substrate with an electrical circuit and a first thin-film ion conductor that separates a reference space for a reference gas from the measuring space for the gas. The first thin-film ion conductor has a reference electrode that faces the reference space and a measuring electrode that faces the measuring space. The reference electrode and the measuring electrode are connected to the electrical circuit. The measuring of the chemical species includes picking off an electrical voltage between the reference electrode and the measuring electrode of the gas sensor. A partial pressure of the chemical species in the gas is determined by processing the electrical voltage in the electrical circuit by using a stored processing specification.

Abstract: A sensor device includes a sensor element configured to detect a measurement value based at least in part upon a physical variable, and a support element configured to support the sensor element. The support element has at least one connection region which is located in a section of the support element, and which is configured to connect the section of the support element to a section of the sensor element such that the sensor element is mounted so as to be movable with respect to the support element.

Abstract: A sensor device for sensing a gas includes a sensing region, and a readout region that is electrically and mechanically connected to the sensing region by way of a connecting web. The readout region, the sensing region, and the connecting web are formed from a substrate, and are isolated from the substrate by a clearance cutout. The sensing region has an ion-conducting region configured to provide a measuring signal dependent on the gas. The readout region (is configured to read out the measuring signal.

Abstract: A microelectrochemical sensor includes an energy supply unit and a sensor unit. The energy supply unit is configured to generate electrical energy using a reference fluid. The sensor unit is configured to determine a concentration difference of a chemical species between a measuring fluid and the reference fluid. The measuring fluid has an unknown concentration of the species, and the reference fluid has a known concentration of the species. The sensor unit is electrically connected to the energy supply unit and is designed to determine the concentration difference using the electrical energy from the energy supply unit.

Abstract: An exhaust gas sensor device for recording a concentration of at least one exhaust gas component in an exhaust system of an internal combustion engine includes at least one exhaust gas sensor with intrinsic signal amplification. The at least one exhaust gas sensor records the concentration of at least one exhaust gas component.

Abstract: A functional element positioned in front of an active detection region of a sensor element has a compact main body with a gas-side surface, a sensor-side surface, and at least two functional channels located between the gas-side surface and the sensor-side surface. The functional channels have a functionality that is different from one another with respect to a gas that can pass through. Such a functional element allows particularly variable operation of a sensor with great long-term stability.

Abstract: A microelectrochemical sensor having a diaphragm, a web, a first and a second electrode. The diaphragm is permeable to ions of a chemical species, is arranged transversely with respect to a cutout in a base body, and closes off the cutout in a fluid-tight fashion. The web is arranged on a first side of the diaphragm between a first partial surface and a second partial surface, and is designed to adjust a temperature of the diaphragm to an operating temperature using electrical energy. The first electrode has a first partial electrode and a second partial electrode, is permeable to fluid, and is arranged on the first side of the diaphragm. The web prevents electrical contact between the first electrode and the diaphragm. The second electrode has a third partial electrode and a fourth partial electrode, is also permeable to fluid, and is arranged on a second side of the diaphragm.

Abstract: A microelectrochemical sensor includes a carrier material composed of a semiconductor substrate, and includes a chemosensitive sensor element. The chemosensitive sensor element is positioned in a first partial region of the carrier material. A heating element is positioned in a region of the chemosensitive sensor element and is configured to regulate a temperature of the chemosensitive sensor element. A microelectronic unit is positioned in a second partial region of the carrier material, and is connected to the chemosensitive sensor element and the heating element via conductor tracks integrated into the carrier material. The microelectronic unit is configured to operate the heating element and the sensor element.

Abstract: An electronic component includes a printed conductor structure on a substrate, as well as a film which contacts the printed conductor structure. The film has a smaller layer thickness than the printed conductor. The printed conductor structure has a region which is covered by the film for the purpose of contacting.