Multilayer inductor and the fabrication method thereof
AssigneeCyntec Co., Ltd.
InventorChih Hung Wei
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Abstract
A multilayer electrical component is disclosed, wherein the multilayer electrical component comprises: a plurality of magnetic layers stacked over one another, wherein each magnetic layer is made of a first magnetic material, and wherein for each magnetic layer, a trench is formed in the magnetic layer, the bottom surface of the trench being located higher than the bottom surface of the magnetic layer; a second material that is different from the first material is disposed in the trench in the magnetic layer; and a conductive layer is disposed over the trench for forming a conductive element of the electrical component.
Claims20
A multilayer electrical component, comprising:
- a plurality of magnetic layers stacked over one another, wherein each magnetic layer is made of a first magnetic material, and wherein for each magnetic layer, a trench is formed in the magnetic layer, the bottom surface of the trench being located higher than the bottom surface of the magnetic layer, wherein a second material that is different from and has a lower permeability than the first magnetic material is disposed in the trench of the magnetic layer;
- and a conductive layer, disposed over the magnetic layer and comprising at least one conductive pattern, wherein at least one portion of the at least one conductive pattern is disposed on the second material for forming a conductive element of the electrical component.
A multilayer inductor, comprising:
- a plurality of magnetic layers stacked over one another, wherein each magnetic layer is made of a first magnetic material, and wherein for each magnetic layer, a trench is formed in the magnetic layer, the bottom surface of the trench being located higher than the bottom surface of the magnetic layer, wherein a second material that is different from and has a lower permeability than the first magnetic material is disposed in the trench of the magnetic layer;
- and a conductive layer, disposed over the magnetic layer and comprising at least one conductive pattern, wherein at least one portion of the at least one conductive pattern is disposed on the second material, wherein the conductive layers are electrically connected to form a coil.
Dependencies are inferred from the claim text.