A system and method for providing and programming a programmable inductor is provided. The structure of the programmable inductor includes multiple turns, with programmable interconnects incorporated at various points around the turns to provide a desired isolation of the turns during programming. In an embodiment the programming may be controlled using the size of the vias, the number of vias, or the shapes of the interconnects.

A flat coil, a manufacturing method thereof and an electronic apparatus are disclosed. The manufacturing method comprises: rolling a metal foil lamination onto a carrier roller to form a foil rod, wherein the metal foil lamination includes at least one layer of metal foil; sliding the foil rod from the carrier roller; slicing the foil rod into thin disks; and processing the thin disks to form at least one flat coil. According to this disclosure, a new solution for a flat coil is proposed.

A coil component comprising a coil conductor layer wound on a plane, an outer-circumferential lead-out conductor led out on the same plane as the coil conductor layer from an outer-circumferential end of the coil conductor layer, and an inner-circumferential lead-out conductor led out on the same plane as the coil conductor layer from an inner-circumferential end of the coil conductor layer. The coil component further comprises a branch conductor disposed to branch from at least one of the outer-circumferential lead-out conductor and the inner-circumferential lead-out conductor, and extending on the same plane as the coil conductor layer.

A photosensitive paste contains an inorganic powder, a photopolymerizable monomer, an alkali-soluble polymer, and an oxime ester initiator having a diphenyl sulfide group.

A coil substrate includes a stacked structure in which a plurality of structures are stacked, each of the structures including a first insulating layer and a wiring formed on the first insulating layer, which becomes a part of a spiral-shaped coil; and an insulating film that covers a surface of the stacked structure, the spiral-shaped coil being formed by connecting the wirings of the adjacent structures in series.

Disclosed herein is a method for manufacturing a planar coil, the method including forming a base conductive layer on a base material, the base conductive layer including: a coil wiring portion having one end, other end, and first to third connecting positions, the second connecting position being closer to the other end compared with the first connecting position, the third connecting position being closer to the one end compared with the second connecting position; a power-feed wiring portion that connects the first connecting position with an external power source; and a connection wiring portion that short-circuits the second connecting position and the third connecting position; forming a wiring conductive layer on the base conductive layer by electrolytic plating by feeding power from the external power source; and removing the power-feed wiring portion and the connection wiring portion.

A tunable three-dimensional (3D) inductor comprises a plurality of vias arranged with spacing among them, a plurality of interconnects in a metal layer, wherein the plurality of interconnects connect the plurality of vias on one end, and a plurality of tunable wires that connects to the plurality of vias on the other end to form the 3D inductor. The physical configuration and inductance value of the 3D inductor are adjustable by tuning the plurality of tunable wires during manufacturing process.

An embedded magnetic component transformer device includes an insulating substrate with a cavity and a magnetic core housed within the cavity. First and second electrical windings pass through the insulating substrate around the magnetic core. The first electrical winding includes a first end terminal and a second end terminal, and a first tap terminal between the first and second end terminals. The device includes circuitry with a first input terminal electrically connected to the first end terminal and a first output terminal. In a first configuration of the circuitry, the first output terminal is electrically connectable to the second end terminal. In a second configuration of the circuitry, the first output terminal is electrically connectable to the first tap terminal.

A system and method for providing and programming a programmable inductor is provided. The structure of the programmable inductor includes multiple turns, with programmable interconnects incorporated at various points around the turns to provide a desired isolation of the turns during programming. In an embodiment the programming may be controlled using the size of the vias, the number of vias, or the shapes of the interconnects.

The invention provides an inductor (1) comprising at least one first conductive layer (4a) comprising at least one first turn (5) of conductive material and at least one second conductive layer (4b) comprising at least one second turn (5) of conductive material, at least one conductive bridge (7) connecting the first and second turns (5), a layer of insulating material (6a) being interposed at least partially between the first and second turns (5), the first and second turns (5) being at least partially superimposed in the stacking direction (Z) of said layers (4a, 4b, 6a), characterized in that, in the area of superimposition of said turns, the width (I1) of the section of the first turn (5, 4a) is greater than the width (I2) of the section of the second turn (5, 4b).