Abstract: In an embodiment a method for manufacturing a multilayer varistor includes providing a first ceramic powder for producing a first ceramic material and at least one second ceramic powder for producing a second ceramic material, wherein the ceramic powders differ from each other in concentration of monovalent elements X+ by 50 ppm??c(X+)?5000 ppm, wherein X+=(Li+, Na+, K+ or Ag+), and wherein ?c denotes a maximum concentration difference occurring between an active region and a near-surface region of the multilayer varistor, slicking of the ceramic powders and forming of green films, partially printing of a part of the green films with a metal paste to form inner electrodes, stacking printed and unprinted green films, laminating, decarbonizing and sintering the green films and applying outer electrodes.

Abstract: An electromagnetic wave sensor 1 has electromagnetic wave absorbers disposed side by side in first and second directions, temperature detection portions held by the respective electromagnetic wave absorbers and sets of two arm portions connected to each electromagnetic wave absorber at two connection portions. In a plan view, the arm portions have two first extending portions extending from the connection portions in directions of which components in the second direction are opposite to each other, and two second extending portions extending from the first extending portions in directions of which components in the first direction are opposite to each other. Four sides of a rectangle circumscribing each of the electromagnetic wave absorbers with a smallest area are inclined with respect to the first direction in directions in which each electromagnetic wave absorber is away from the second extending portions with the connection portions as fulcrums.

Abstract: A power transmission device that wirelessly transmits power to a vehicle, the power transmission device including an information emitter that, in a case in which the position of the vehicle acquired by the information acquirer is located in a power transmission range of the power transmission coil and, also, the instruction receiver receives the instruction about power transmission, emits a first type of information that indicates a presence of the foreign object when the detector detects the foreign object, and in a case in which the instruction receiver does not receive the instruction about power transmission even though the position of the vehicle acquired by the position information acquirer is located in the power transmission range of the power transmission coil, does not emit the information that indicates the presence of the foreign object.

Abstract: A stroke sensor that allows adjustment of the magnetic field distribution without changing the positions of the magnets is provided. Stroke sensor 1 has magnets 2A, 2B, and sensor 3A that detects a magnetic field that is generated by magnets 2A, 2B. Magnets 2A, 2B are movable relative to sensor 3A in first direction X. Magnet 2A has surface 5A that faces sensor 3A in second direction Z, magnet 2B has surface 5B that faces sensor 3A in second direction Z, and surface 5A and surface 5B have different polarities. A position in first direction X at which magnetic field intensity in second direction Z is zero is positioned between reference axis RA and magnet 2B. Reference axis RA is parallel to second direction Z and passes through middle point MP of minimum section S that includes magnets 2A, 2B in first direction X.

Abstract: A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle ? other than 90°. A detection value depends on the direction of the first magnetization.

Abstract: An object of the present invention is to provide a magnetic sensor capable of, while suppressing an increase in manufacturing cost, controlling the gap size so as to make the gap between the element formation surface of the sensor chip and the magnetism collecting member as small as possible and to make variations among products fall within a certain range and a manufacturing method for such a magnetic sensor. A magnetic sensor includes a sensor chip 20a mounted on a substrate 2 such that the element formation surface 20a is perpendicular to the substrate 2 and a magnetism collecting member 30 mounted on the substrate 2 such that the surface 31 faces the substrate 2 and the surface 32 faces the element formation surface 20a. The surfaces 31 and 32 of the magnetism collecting member 30 have flatness higher than that of the other surfaces thereof.

Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.

Abstract: A gas sensor includes a feedback circuit part and a sensor circuit part. The feedback circuit part includes a reference resistor and a first temperature sensing element which are connected in series, a first heater resistor that heats the first temperature sensing element, and a first amplifier circuit that controls the amount of current to flow in the first heater resistor based on an internal potential. The sensor circuit part includes a second temperature sensing element and a second heater resistor that heats the second temperature sensing element. A current according to the output of the first amplifier circuit flows in the second heater resistor. With this configuration, it is possible to automatically change the amount of current to flow in the second heater resistor according to ambient temperature without digital processing to thereby heat the second temperature sensing element to a constant temperature.

Abstract: A device for producing a non-thermal atmospheric pressure plasma and a method for operating a piezoelectric transformer are disclosed. In an embodiment a device includes a piezoelectric transformer, a driver circuit configured to apply an input signal to the piezoelectric transformer and a field probe configured to measure a field strength of an electric field produced by the piezoelectric transformer at a measurement point, wherein the driver circuit is configured to adapt the input signal while taking into account measurement results of the field probe, and wherein the device is configured to produce a non-thermal atmospheric pressure plasma.

Abstract: In a multilayer filter, first to fourth resonant circuits are connected to an input/output portion. The input/output portion includes an input/output port group including an unbalanced port and a pair of balanced ports or an input/output port group including two pairs of balanced ports. Each of the first to fourth resonant circuits includes an inductor conductor and first and second capacitor conductors. The inductor conductor includes first and second ends. The first capacitor conductor is connected to the first end. The second capacitor conductor is connected to the second end. The second and third resonant circuits are magnetically coupled to each other. The second and third resonant circuits are arranged between the first resonant circuit and the fourth resonant circuit in a first direction. Each of first and second electrodes of a jump capacitor conductor is connected to the inductor conductors of the first and fourth resonant circuits.

Abstract: A multilayer electronic device includes an element body and a pair of external electrodes. The element body includes an interior region in which inner dielectric layers and internal electrode layers are alternately laminated and an exterior region located outside the interior region in its lamination direction. The pair of external electrodes exists on surfaces of the element body. Main-phase particles in the inner dielectric layers and outer dielectric layers of the exterior region include a main component having a perovskite crystal structure represented by a general formula of ABO3. r1<r2<r1×4.0 is satisfied, in which r1 is an average particle size of the main-phase particles constituting the inner dielectric layers, and r2 is an average particle size of the main-phase particles constituting the outer dielectric layers.

Abstract: A laminated body contains a first metal layer containing copper and a second metal layer containing nickel and laminated directly on the first metal layer. A first surface of the second metal layer is a surface in contact with the first metal layer. A second surface of the second metal layer is a reverse surface of the first surface. A thickness direction of the second metal layer is a direction approximately perpendicular to the first surface and oriented from the first surface toward the second surface. A unit of a content of nickel in the second metal layer is % by mass. The content of nickel in the second metal layer increases along the thickness direction.

Abstract: An R-T-B-based permanent magnet including: R (rare earth element); T (Fe and Co); B (boron); and one or more selected from Al, Cu, Ga, and Zr. R includes Ce. The total R content is 31.3-34.0 mass % (inclusive), the Co content is 1.85-3.00 mass % (inclusive), the B content is 0.80-0.90 mass % (inclusive), the Al content is 0.03-0.90 mass % (inclusive), the Cu content is 0-0.25 mass % (inclusive), the Ga content is 0-0.10 mass % (inclusive), the Zr content is 0-0.60 mass % (inclusive), and the Fe content is substantially the remainder. The Ce content relative to R is 15-25 mass % (inclusive).

Abstract: A laminated resin film includes: a resin layer; and a Cu film having on one surface or both surfaces of the resin layer, in which in the Cu film, an orientation index of a plane is 0.15 or more according to a Lotgering method, a half-width of an X-ray diffraction peak obtained by X-ray diffraction measurement of the plane is 0.3° or less, and Expression (1) is satisfied. y>3.75x?0.675 ??Expression (1) (in Expression (1), Y is the orientation index of the plane in the Cu film according to the Lotgering method, and x is the half-width of the X-ray diffraction peak obtained by the X-ray diffraction measurement of the plane in the Cu film.

Abstract: Provided is a magnetic core in which metal magnetic particles occupy an area of 75% to 90% on a cross-section. The metal magnetic particles include first large particles having a crystalline metal material and having a Heywood diameter of 3 ?m or more on the cross-section of the magnetic core, and second large particles having a nanocrystal structure or an amorphous structure and having a Heywood diameter of 3 ?m or more, and an insulation coating of the first large particles is thicker than an insulation coating of the second large particles.

Abstract: A laminated body contains a first metal layer containing copper; and a second metal layer containing nickel and laminated directly on the first metal layer. A first surface of the second metal layer is a surface in contact with the first metal layer. A second surface of the second metal layer is a reverse face of the first surface. A thickness direction of the second metal layer is a direction approximately perpendicular to the first surface and oriented from the first surface toward the second surface. A unit of a content of nickel in the second metal layer is % by mass. The content of nickel in the second metal layer 2 decreases along the thickness direction D.

Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.

Abstract: A dielectric composition includes a dielectric grain including a perovskite compound and a first segregation phase including at least Ca, Al, Si, and O.

Abstract: In an embodiment, a component includes a first electrode and a second electrode arranged one above the other in a stacking direction, wherein the first electrode and the second electrode overlap in a first overlap region, wherein the first electrode has, in a first region containing the first overlap region, an extent in a first direction perpendicular to the stacking direction that is greater than an extent of the second electrode in the first direction in the first region, and wherein the first electrode has, in the first region containing the first overlap region, an extent in a second direction perpendicular to the stacking direction and to the first direction that is greater than an extent of the second electrode in the second direction in the first region, and a third electrode arranged in the same plane as the second electrode, wherein the first electrode is a floating electrode, wherein the first electrode and the third electrode overlap in a second overlap region, wherein the first electrode has, in

Abstract: Disclosed herein is a coil component that includes a first coil, and a second coil disposed so as to surround the first coil. The first coil includes a first section extending in a first direction, a second section extending in a second direction orthogonal to the first direction, and a third section positioned between the first and second sections. Gaps between the first, second, and third sections of the first coil and the second coil as viewed in a coil axis direction have a first width, a second width, and a third width, respectively. The second width is larger than the first width and smaller than the third width.