H01F2017/0066

Multilayer Inductor Construction
20230298807 · 2023-09-21 ·

A multilayer inductor comprises a plurality of magnetic layers and metal electrode tracks formed on the magnetic layers. A ceramic-inorganic material composite is placed in the magnetic core area in the pattern of coils formed by the metal electrode tracks. The ceramic-inorganic material composite comprises two or more first layers and second layers. The first layers comprise a ceramic material having a positive slope of the dielectric constant versus temperature curve. The second layers comprise an inorganic material having a negative slope of the dielectric constant versus temperature curve. The first layers and the second layers are stacked on each other in an alternating manner. The metal electrode tracks are arranged in such a way that the void space between two adjacent metal electrode tracks where no effective magnetic lines of force exist is minimized. The multilayer inductor enables stable device characteristics and enhances the inductive performance.

Wireless power receiver having transfer optimization and method thereof

According to one aspect of the present disclosed subject matter, a receiver inductively powered by a transmitter for powering a load, the receiver comprising: a resonance circuit capable of tuning its resonance frequency for coupling with the transmitter and generate AC voltage; a power supply section configured to rectify the AC voltage and adjust a DC current and a DC voltage to the load; and a control and communication section designed to set parameters for the receiver and communicate operation points (OP) to the transmitter, wherein the parameters and the OP derived from determining a minimal power loss of the receiver.

INDUCTOR AND CIRCUIT STRUCTURE AND METHOD OF MANUFACTURING THE SAME

An inductor unit includes a conductive structure, a first magnetic element and an insulating layer. The conductive structure has a bottom conductive layer, a top conductive layer, and a first side conductive layer extending from the bottom conductive layer to the top conductive layer. The first magnetic element is disposed on the bottom conductive layer of the conductive structure. The insulating layer is disposed on the bottom conductive layer of the conductive structure, wherein the insulating layer covers and surrounds the first magnetic element. The circuit structure including the inductor unit and the methods for manufacturing the same are also provided.

COIL COMPONENT
20210366637 · 2021-11-25 ·

A coil component includes an insulator part and a coil part. The insulator part is constituted by an electrical insulation material, and is no more than 600 μm long and no more than 600 μm high. The coil part is wound around one axis and placed inside the insulator part. The coil part has an opening part constituted by straight line parts and curved line parts and whose shape as viewed from the one axis direction is an approximate quadrangle, wherein the line length of the curved line parts along the inner periphery of the opening part is 20% or more but no more than 40% of the line length of the inner periphery of the opening part. The coil component can satisfy both a size reduction need and the properties need.

Inductor Inlay for a Component Carrier and a Method of Manufacturing the Same

An inductor inlay, a component carrier, and methods for manufacturing the inductor inlay and the component carrier. The inductor inlay has a magnetic layer stack of interconnected magnetic layers and an electrically conductive structure embedded in the magnetic stack. The electrically conductive structure is configured as an inductor element with a coil-like shape. A component carrier includes a stack with at least one electrically conductive layer structure and at least one electrically insulating layer structure and the inductor inlay with the magnetic layer stack with interconnected magnetic layers and the electrically conductive structure embedded in the magnetic layer stack. Methods for manufacturing the inductor inlay and component carrier are further described.

Electronic component

An electronic component includes an element body, an external electrode, and a resin film having electrical insulation properties. The element body includes a principal surface and a side surface adjacent to the principal surface. The external electrode includes a first electrode portion disposed on the principal surface and a second electrode portion disposed on the side surface. The resin film is disposed on the principal surface and is in contact with the principal surface. Each of the first electrode portion and the second electrode portion includes a conductive resin layer disposed on the element body. A conductive resin layer included in the first electrode portion is disposed on the resin film and is in contact with the resin film.

COIL COMPONENT
20220013277 · 2022-01-13 ·

A coil component includes a body, a coil portion disposed inside the body, a first external electrode and a second external electrode spaced apart from each other on one surface of the body and connected to the coil portion, a first insulating layer and a second insulating layer respectively connected to the one surface of the body, respectively disposed to side surfaces of the body to extend upwardly of the one surface of the body, and a third insulating layer and a fourth insulating layer respectively connected to the one surface of the body, respectively disposed on end surfaces of the body and each extending upwardly of the one surface of the body. A portion of each of the first and second external electrodes, exposed from the first to fourth insulating layers, is spaced apart from each of a plurality of edges of the one surface of the body.

Magnetic inductor with shape anisotrophy

Embodiments are directed to a method of forming a laminated magnetic inductor and resulting structures having anisotropic magnetic layers. A first magnetic stack is formed having one or more magnetic layers alternating with one or more insulating layers. A trench is formed in the first magnetic stack oriented such that an axis of the trench is perpendicular to a hard axis of the magnetic inductor. The trench is filled with a dielectric material.

A VERTICAL MAGNETIC STRUCTURE FOR INTEGRATED POWER CONVERSION

The present invention provides an inductor device comprising one or more interconnected columns of conductive material embedded in a supporting structure, wherein the one or more columns comprise an input terminal and an output terminal; and wherein each column is surrounded by a first magnetic layer.

Stress management scheme for fabricating thick magnetic films of an inductor yoke arrangement

Embodiments of the invention are directed to a method of fabricating a yoke arrangement of an inductor. A non-limiting example method includes forming a dielectric layer across from a major surface of a substrate. The method further includes configuring the dielectric layer such that it imparts a predetermined dielectric layer compressive stress on the substrate. A magnetic stack is formed on an opposite side of the dielectric layer from the substrate, wherein the magnetic stack includes one or more magnetic layers alternating with one or more insulating layers. The method further includes configuring the magnetic stack such that it imparts a predetermined magnetic stack tensile stress on the dielectric layer, wherein a net effect of the predetermined dielectric layer compressive stress and the predetermined magnetic stack tensile stress on the substrate is insufficient to cause a portion of the major surface of the substrate to be substantially non-planar.