A winding device includes a winding core configured to take up a wire, wherein the winding core includes an inner winding core configured to be rotated by a rotating part and an outer winding core configured to surround the inner winding core and rotate together with the inner winding core.

An inductive component and a method for producing an inductive component are disclosed. In an embodiment, the inductive component includes a first core part having wound first and second wires and a second core part arranged on the first core part. In various embodiments the inductive component has a low mode conversion, a low inductance in differential-mode operation, a high inductance for common-mode signals, a constant characteristic impedance, a low capacitive coupling of the wires, and/or a low leakage inductance.

An inductive component and a method for producing an inductive component are disclosed. In an embodiment, the inductive component includes a first core part having wound first and second wires and a second core part arranged on the first core part. In various embodiments the inductive component has a low mode conversion, a low inductance in differential-mode operation, a high inductance for common-mode signals, a constant characteristic impedance, a low capacitive coupling of the wires, and/or a low leakage inductance.

A common-mode choke coil includes a core having a winding core portion, a first winding and a second winding. A winding start side region ranges from one end portion to a position where a first winding is brought into contact with the winding core portion, and a winding finish side region ranges from the other end portion to a position where a second winding is brought into contact with the winding core portion. The first winding is wound on the winding core portion such that the first winding is positioned on a negative direction side in an x axis direction with respect to the second winding at the same turn in the winding start side region and the second winding is interposed between the first winding and the winding core portion in the winding finish side region.

A common-mode choke coil includes a core having a winding core portion, a first winding and a second winding. A winding start side region ranges from one end portion to a position where a first winding is brought into contact with the winding core portion, and a winding finish side region ranges from the other end portion to a position where a second winding is brought into contact with the winding core portion. The first winding is wound on the winding core portion such that the first winding is positioned on a negative direction side in an x axis direction with respect to the second winding at the same turn in the winding start side region and the second winding is interposed between the first winding and the winding core portion in the winding finish side region.

Systems and devices for providing differential input/output communication with a superconducting device are described. Each differential I/O communication is electrically filtered using a respective tubular filter structure incorporating superconducting lumped element devices and high frequency dissipation by metal powder epoxy. A plurality of such tubular filter structures is arranged in a cryogenic, multi-tiered assembly further including structural/thermalization supports and a device sample holder assembly for securing a device sample, for example a superconducting quantum processor. The ace between the cryogenic tubular assembly and room temperature electronics is achieved using hermetically sealed vacuum feed-through structures designed to receive flexible printed circuit board cable.

Systems and devices for providing differential input/output communication with a superconducting device are described. Each differential I/O communication is electrically filtered using a respective tubular filter structure incorporating superconducting lumped element devices and high frequency dissipation by metal powder epoxy. A plurality of such tubular filter structures is arranged in a cryogenic, multi-tiered assembly further including structural/thermalization supports and a device sample holder assembly for securing a device sample, for example a superconducting quantum processor. The ace between the cryogenic tubular assembly and room temperature electronics is achieved using hermetically sealed vacuum feed-through structures designed to receive flexible printed circuit board cable.

A wireless charging coil with a high Q factor includes a plurality of wire groups. Each of the wire groups includes a plurality of wires, a self-bonding film and a plurality of insulation layers. The wires are spun together in a helical manner to form a self-woven structure of the wire group. The self-bonding film surrounds the plurality of wires, and each of the insulation layers covers a surface of a wire. The plurality of wire groups together are wound into a plurality of turns on a same winding surface, and all of the plurality of wire groups are wound on the same winding surface. Each turn is wound by the plurality of wire groups.

A wireless charging coil with a high Q factor includes a plurality of wire groups. Each of the wire groups includes a plurality of wires, a self-bonding film and a plurality of insulation layers. The wires are spun together in a helical manner to form a self-woven structure of the wire group. The self-bonding film surrounds the plurality of wires, and each of the insulation layers covers a surface of a wire. The plurality of wire groups together are wound into a plurality of turns on a same winding surface, and all of the plurality of wire groups are wound on the same winding surface. Each turn is wound by the plurality of wire groups.

A method of manufacturing an arrangement for transferring energy from a primary unit conductor arrangement by a magnetic or an electromagnetic field to a secondary unit conductor arrangement in which the field induces an electric voltage, wherein the method comprises the steps: arranging a conductor arrangement selected from the primary unit conductor arrangement and the secondary unit conductor arrangement in a first layer of the arrangement and providing a second layer, so that the second layer is located on a back side of the first layer opposite to a front side of the first layer on which the magnetic or electromagnetic field is transferred or received during operation, wherein the second layer is made of a constituent material, comprising magnetic and/or magnetizable particles dispersed within the constituent material and wherein the magnetic or magnetizable particles are moved with respect to their positions and/or orientations within the constituent material before the constituent material is hard and the movement is caused by a magnetic field.