Abstract: A surge arrester includes a gas-tight discharge chamber that is formed by at least one insulating body and two electrodes. The electrodes extend into the discharge chamber and include an electrode spacing with respect to one another and a wall spacing with respect to the insulating body inner wall. The electrode spacing is equal to twice the wall spacing or is less than twice the wall spacing.

Abstract: A pressure sensor (1) is specified, comprising a housing (2), a membrane (3), which forms with the housing (2) a chamber (4) closed off toward the outside, and a filling opening (6) for filling the chamber (4) with a fluid medium (5). The filling opening (6) is closed by means of a soldering or welding closure (7, 8). Furthermore, a method for producing a pressure sensor (1) is specified, wherein a housing (2), which together with a membrane (3) forms a chamber (4), is provided, the chamber (4) is filled with a fluid medium (5) through a filling opening (6), and the filling opening (6) is subsequently closed by means of soldering or welding.

Abstract: A spark gap arrangement comprises a triggerable spark gap (TF) and a trigger circuit (TRG), which comprises a first and a second charge store (C1, C2), a first resistor (R1), a triggerable dissipation element (SF, SF3, TD, TH) and a transformer (T1). The trigger circuit is set up to intermediately store the energy of an input pulse supplied to the input side of the trigger circuit (TRG), wherein storage takes place at least by means of the first charge store (C1). A part of the stored energy is transferred to the second charge store (C2) via the first resistor (R1). The triggerable dissipation element (SF, TD, TH) is set up to turn on on the basis of a voltage across the second charge store (C2) and to discharge the first charge store (C1) via a primary side (T11) of the transformer (T1). In this case, a secondary side (T12) of the transformer (T1) is connected to a main electrode (HE) of the triggerable spark gap (TF) and to a trigger electrode (TE) of the triggerable spark gap (TF).

Abstract: An electrical device having at least one functional element that includes a ceramic body, on which a first electrical contact layer and a second electrical contact layer are applied to two opposite-lying side faces, respectively, and the functional element is arranged between a first contact strip and a second contact strip, wherein the first contact strip and the second contact strip comprise several contact pins, respectively, and wherein the first contact layer electrically contacts at least one contact pin of the first contact strip and the second contact layer electrically contacts at least one contact pin of the second contact strip.

Abstract: An electrical component includes at least one external contact having a first metallization and a second metallization. The metallizations are fired and the second metallization only partly covers the first metallization. Furthermore, an electrical component includes at least one frame-shaped metallization. Furthermore, an electrical component includes a first and second metallization that have a different wettability with solder material.

Abstract: A surge arrester comprises an electrical insulator (10), which surrounds a cavity (20), a pin electrode (30) and a tube electrode (40), which are arranged in the cavity (20), wherein the pin electrode (30) projects into the tube electrode (40). An ignition strip (50) is applied on an inner surface (S10a) of the insulator facing the cavity (20). An outer metallization (61, 62, 63) is arranged on an outer surface (S10b) of the insulator (10). As a result, an effective reduction of the protection level can be achieved in the case of the surge arrester.

Abstract: A front-end circuit with a tunable filter is disclosed. In an embodiment, the front end circuit includes a first signal path connected to an antenna connection, a first filter arranged in the first signal path, wherein the first filter is tunable within a first frequency range, and an extra signal path and a first fixed filter arranged therein, wherein the first fixed filter has a passband for an extra frequency band, wherein the first fixed filter is not tunable, and wherein the extra frequency band is arranged outside or inside the first frequency range. The front end circuit further includes a narrowband antenna tuner configured to be set to a respective tunable frequency range, wherein the narrowband antenna tuner is arranged between the first filter, the first fixed filter and the antenna connection in the first and second signal paths.

Abstract: The invention relates to a method for filling at least one cavity (5a, 5b) of a multi-layer component (1) with filling material (9). In a first step, the method comprises providing a main body (2) of the multi-layer component (1), the main body (2) having at least one cavity (5a, 5b). In a subsequent step, the method comprises placing the main body (2) in a chamber (11) and then generating a first pressure, the first pressure being a negative pressure. Then, a filling material (9) is arranged on the main body (2). Furthermore, the invention relates to a multi-layer component (1). The multi-layer component (1) has a main body (2) with at least one cavity (5a, 5b), wherein the cavity (5a, 5b) is filled with a filling material (9) which has a viscosity of between 200 mPas and 2000 mPas.

Abstract: A reactance filter includes a series branch that connects a signal input to a signal output. At least one parallel branch branches off from the series branch with respect to ground. A parallel resonator is arranged in each parallel branch. Two or more series resonators are connected in series in the series branch. A capacitor is connected in parallel with one of the series resonators in the series branch.

Abstract: An improved electroacoustic component is provided. The component includes a carrier wafer with a passivation layer, a piezoelectric layer above the passivation layer and an interdigitated transducer in an electrode layer on the piezoelectric layer. The component is configured to work with a shear mode.

Abstract: The invention relates to an electronic component having a layer sequence, which comprises at least a first electrode (10), a second electrode (20) and an active region (30) and contains monoatomic carbon layers at least in sub-regions.

Abstract: A surge arrester includes a gas-tight discharge chamber that is formed by at least one insulating body and two electrodes. The electrodes extend into the discharge chamber and include an electrode spacing with respect to one another and a wall spacing with respect to the insulating body inner wall. The electrode spacing is equal to twice the wall spacing or is less than twice the wall spacing.

Abstract: An electroacoustic transducer having an alternative finger structure is provided. The number of fingers of a cell of length A is divisible by four. The electrode fingers of the cell are divided into four groups. The distance (?2) between the second group and the third group is less than the distance (?1) between the first group and the second group and less than the distance (?3) between the third group and the fourth group.

Abstract: A packaging structure including at least one hermetically sealed cavity in which at least one microelectronic device is arranged, the cavity being formed between a substrate and at least one cap layer through which several release holes are formed; several separated portions of metallic material such that each of the separated portions of metallic material is arranged on the cap layer above and around one of the release holes and forms an individual and hermetical plug of said one of the release holes; at least one diffusion barrier layer comprising at least one non-metallic material, arranged on the cap layer and forming a diffusion barrier against an atmosphere outside the cavity at least around the release holes; and wherein parts of the diffusion barrier layer are not covered by the portions of metallic material.

Abstract: The multi-layer component has a main body (1) made of ceramic layers (2) and two-dimensional inner electrodes (3, 3a, 3b, 3c) in an alternating sequence. Outer electrodes (4, 4a) which are separate from each other are located on the outer surfaces (5, 5a) of the main body. The inner electrodes each have a connecting region and an overlapping region adjacent thereto. A rectilinear edge (16) of the connecting region is connected in an electrically conductive manner to one of the outer electrodes. The overlapping region is arranged at distances (6, 6a) from the outer electrodes. The edge of the connecting region that is connected to the outer electrode is at least as long as the extent of the overlapping region along straight lines running parallel to said edge, and the overlapping region is multiply interrupted at least along a number of said straight lines.

Abstract: A ceramic multi-layer capacitor is disclosed. In an embodiment, the capacitor includes a main body having ceramic layers and first and second electrode layers arranged therebetween, wherein the ceramic layers includes a ceramic material on the basis of BaTi1-yZryO3 where 0?y?1, which has a temperature-dependent capacitance anomaly.

Abstract: An RF component can have a reduced electromagnetic internal coupling and may be suitable for miniaturization as a result. The component includes a micro acoustic filter of ladder-type design in a housing and a double coil having a first coil segment and a second coil segment. The two coil segments are oriented in opposite directions. The two coil segments are arranged without crossover in one layer and the double coil is arranged in proximity to a parallel branch resonator of the ladder-type filter structure.

Abstract: The invention relates to a module package which comprises a module substrate 1, a chip 2, 3 applied using the flip chip process, and an encapsulation layer 8, and to a method for producing same. The chip 2, 3 has component structures on the top side 13, 14 thereof. Said top said 13, 14 faces the module carrier 1, wherein a gap 4, 5 is formed between the top side 13, 14 of the chip and the module carrier 1. A filler is added to the encapsulation layer 8. The encapsulation layer 8 partly fills underneath the chip 2, 3, wherein at most the part of the chip 2, 3, on which no component structures are present, is underfilled, and at a minimum the material of the encapsulation layer 8 completely encloses the sides of the chip 2, 3.

Abstract: A duplexer includes an antenna terminal, a transmission amplifier terminal and a reception amplifier terminal. The transmission amplifier terminal is coupled to the antenna terminal via a transmission filter. The reception amplifier terminal is coupled to a reception filter and the reception filter is coupled to the antenna terminal via a band-stop filter.

Abstract: The invention relates to a plasma generation device comprising a plurality of plasma modules for generating a plasma. Each plasma module has a module housing with at least one gas inlet for supplying a process gas. Furthermore, a discharge device for generating the plasma from the process gas and a plasma outlet are provided. The plasma generation device has at least two plasma modules for generating a plasma. Each plasma module has at least one gas outlet for some of the process gas, wherein the at least one gas outlet of at least one plasma module issues into a respective gas inlet of another plasma module.