Abstract: A DCDC converter module is provided that includes an insulating substrate having first and second surfaces; and a circuit section at the insulating substrate. The circuit section includes a switching element and an output filter connected to the switching element in series from an input end to an output. The output filter has an output inductor, and first and second output capacitors connected in parallel to each other and having different capacitance. A current path from the switching element to the output end of the circuit section penetrates through the insulating substrate from the first surface to the second surface. The first and second output capacitors are different from each other in position in a thickness direction and are arranged to the current path. An inductor component is between a plus terminal of the first output capacitor and a plus terminal of the second output capacitor.

Abstract: A package board that includes an inductor layer having: a first magnetic layer including first magnetic particles and a resin; an inductor wiring that functions as an inductor in the first magnetic layer; and a second magnetic layer on at least one surface of the first magnetic layer, including second magnetic particles that are higher in average flatness than the first magnetic particles and a resin, the second magnetic particles having a shape where the dimension in a direction along the main surface of the second magnetic layer is longer than the dimension in the thickness direction of the second magnetic layer.

Abstract: A voltage converter is provided that includes a variable inductor device that is disposed between an input line and an output line, a switching device that is disposed between the input line and the variable inductor device, a capacitor that is disposed between the output line and a ground line and a control circuit configured to switch an inductance value of the variable inductor device and to switch a control mode of the switching device according to a load current in the output line. The control circuit is configured to set the inductance value of the variable inductor device to a first value when the load current is less than a threshold value and set the inductance value of the variable inductor device to a second value that is smaller than the first value when the load current is higher than the threshold value.

Abstract: An inductor component includes an element body including a magnetic layer, a first coil and a second coil that are disposed adjacent to each other on a plane in the element body, and a first connection conductor that connects the first coil and the second coil. A first axis of the first coil and a second axis of the second coil are disposed parallel in a first direction that is orthogonal to the plane. A shortest distance between the first coil and the second coil is equal to or greater than a larger wiring width of a first wiring width of the first coil and a second wiring width of the second coil, and is equal to or less than an average value of a first diameter of a first smallest circle enclosing the first coil and a second diameter of a second smallest circle enclosing the second coil.

Abstract: A coil that includes a coil wire spirally wound along an axis. The coil wire includes a first wiring portion and a second wiring portion which are aligned along the axis. The first wiring portion includes a first end surface on a side in a first direction from the first wiring portion toward the second wiring portion, and a second end surface on a side in a second direction opposite to the first direction. The first end surface includes a first end in an inner side portion in a radial direction of the coil wire. The second end surface is in an outer side portion in the radial direction of the coil wire with respect to a straight line passing through the first end and parallel to the direction of the axis.

Abstract: A package substrate that includes: an inductor layer having a magnetic body and inductor wires. The magnetic body includes a first magnetic layer and a second magnetic layer on at least one main surface of the first magnetic layer. The inductor wires are in the first magnetic layer and include a first wire and a second wire adjacent to each other and magnetically coupled. The second magnetic layer overlaps the first wire and the second wire in a thickness direction. The second magnetic layer has anisotropic magnetic permeability in which magnetic permeability in a main surface direction differs from the thickness direction. The magnetic permeability of the second magnetic layer in the main surface direction is higher than in the thickness direction. The magnetic permeability of the second magnetic layer in the main surface direction is higher than magnetic permeability of the first magnetic layer in a main surface direction.

Abstract: A coil that includes: a coil wire spirally wound along an axis; and an insulator that covers at least a portion of the coil wire. In a cross section including the axis, the insulator includes: a first insulation portion in contact with a first end surface of the coil wire on a first side in a direction of the axis of the coil wire, a second insulation portion in contact with a second end surface of the coil wire on a second side in the direction of the axis of the coil wire, and a third insulation portion between adjacent turns in the direction of the axis of the coil wire. At least one of a first thickness of the first insulation portion and a second thickness of the second insulation portion is thinner than half of a third thickness of the third insulation portion.

Abstract: An inductor component includes an element body having a magnetic material, and a coil that is disposed inside the element body. The coil includes a coil wire that is spirally wound along an axis with a first end of the coil wire at a positive side of the axis and a second end of the coil wire at a negative side of the axis. At least one of a first end surface of the first end of the coil wire and a second end surface of the second end of the coil wire includes a recess, and a portion of the element body is located inside the recess.

Abstract: A vibration unit includes a light transmitting member including at least a portion of a detection region of an imaging element, and a vibration element including a vibrating body coupled to the light transmitting member. The light transmitting member includes a central region and a peripheral region located around the central region. The light transmitting member includes a hydrophilic film in the peripheral region thereof.

Abstract: An optical unit includes an optical sensor, a protective cover disposed in a direction of view from the optical sensor, an actuator to drive the protective cover, and a casing including a space between the casing and the protective cover and to which the optical sensor and the protective cover are attached. A first region on the casing adjacent to an outer edge of the protective cover with the space interposed between the casing and the outer edge of the protective cover is a hydrophobic region where a contact angle of a droplet is equal to or larger than a predetermined angle.

Abstract: A vibrating device includes a translucent cover, an ejector to eject a liquid onto the surface of the translucent cover, and a first vibrating portion to vibrate the translucent cover at a vibration acceleration of larger than about 8.0×105 m/s2 and equal to or smaller than about 21.0×105 m/s2.

Abstract: An optical device includes a protective cover and a driver. An outer surface of the protective cover includes a first region having higher hydrophobicity than a second region. The first region is separated from the second region by a first boundary line extending from a starting point deviating from a center point of the protective cover in the direction toward an outer edge portion of the protective cover and a second boundary line extending from the starting point in the direction toward the outer edge portion of the protective cover, and which is located on a side where the center point is not included. Among angles defined by the first and second boundary lines, an angle on the side where the center point is not included is equal to or less than about 180°.

Abstract: A cleaning device includes a housing holding an imaging device, a protective cover located in a field of view of the imaging device, a vibrator to vibrate the protective cover, a piezoelectric driver to drive the vibrator, a cleaning liquid discharger to discharge, onto a surface of the protective cover, a cleaning liquid including an abrasive, and a signal processing circuit to control the piezoelectric driver and the cleaning liquid discharger. When causing the cleaning liquid discharger to discharge the cleaning liquid, the signal processing circuit can control the piezoelectric driver such that the protective cover is vibrated at a vibration acceleration of larger than about 8.0×105 m/s2 and equal to or less than about 21.0×105 m/s2.

Abstract: A semiconductor composite device is provided that includes a voltage regulator, a package board, and a load, and converts an input DC voltage into a different DC voltage to supply the converted DC voltage to the load. The VR includes a semiconductor active element. The package board includes a C layer in which a capacitor is formed, and an L layer in which an inductor is formed. A plurality of through holes penetrate the C layer and the L layer in a direction perpendicular to the mounting face in the package board. The capacitor is connected to the load through the through hole. The inductor is connected to the load through the through hole and to the VR through the through hole.

Abstract: A vibration device includes a light-transmissive body, and a vibrator to vibrate the light-transmissive body at a vibration acceleration of equal to or more than about 1.5×105 m/s2 and equal to or less than about 8.0×105 m/s2.

Abstract: An electronic component includes a single-layer glass plate, an outer-surface conductor that is disposed above an outer surface of the single-layer glass plate and that is at least a part of an electrical element, and a terminal electrode that is a terminal of the electrical element. The terminal electrode is disposed above the outer surface of the single-layer glass plate and being electrically connected to the outer-surface conductor.

Abstract: A cleaning device for an imaging unit includes a housing that holds an imaging section, a protection cover provided in the visual field of the imaging section, a vibrator section that vibrates the protection cover, and a cleaning nozzle that discharges a cleaning liquid. The cleaning liquid discharged by the discharge section reaches a surface of side of the protection cover that is opposite to the side thereof adjacent to or in a vicinity of the imaging section. According to the vibrator section vibrating the protection cover, a portion of surface of the protection cover exhibits an amount of displacement larger than that of a portion of surface of the protection cover that the discharged cleaning liquid has reached.

Abstract: A vibration device includes a light-transmitting body that is located on a subject side of an imaging element, a cylindrical body that includes a first end portion, a second end portion on the opposite side from the first end portion, and an outer surface and an inner surface that connect the first end portion and the second end portion to each other, the cylindrical body being connected to the light-transmitting body and holding the light-transmitting body on the first end portion side thereof, and a piezoelectric element provided along a circumferential direction of the cylindrical body and that torsionally vibrates the cylindrical body.

Abstract: A package board that includes an inductor layer having: a first magnetic layer including first magnetic particles and a resin; an inductor wiring that functions as an inductor in the first magnetic layer; and a second magnetic layer on at least one surface of the first magnetic layer, including second magnetic particles that are higher in average flatness than the first magnetic particles and a resin, the second magnetic particles having a shape where the dimension in a direction along the main surface of the second magnetic layer is longer than the dimension in the thickness direction of the second magnetic layer.

Abstract: A cleaning device includes a casing holding an image capturing device, a protective cover disposed in a visual field of the image capturing device, a vibrator to vibrate the protective cover, a controller to control the vibrator, a monitor to detect an electrical characteristic value associated with a vibration of the vibrator, and a storage to store determination criteria based on which the controller evaluates the electrical characteristic value detected by the monitor. The controller is configured to evaluate the electrical characteristic value based on the plurality of determination criteria stored in the storage and clean a surface of the translucent body by controlling the vibrator according to the determination.