Micromagnetic device for power processing applications and method of manufacture therefor
AssigneeAgere Systems Inc.
InventorsDean P. Kossives, Ashraf W. Lotfi, Lynn F. Schneemeyer, Michael L. Steigerwald, R. Bruce Van Dover
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Abstract
The present invention provides a power micromagnetic integrated circuit having a ferromagnetic core, a method of manufacture therefor and a power processing circuit employing the same, that-includes: (1) a substrate; (2) an insulator coupled to the substrate and (3) a metallic adhesive that forms a bond between the insulator and the ferromagnetic core to secure the ferromagnetic core to the substrate.
Claims40
For use with a power micromagnetic device having of a ferromagnetic core and formed on a substrate having an insulator coupled thereto, an adhesive, comprising:
- a metallic material that forms a bond between said insulator and said ferromagnetic core to secure said power micromagnetic device to said insulator.
A method for securing a ferromagnetic core of a power micromagnetic device to a substrate having an insulator coupled thereto, comprising the step of:
- forming an adhesive bond between said insulator and said ferromagnetic core with a metallic material.
A power micromagnetic integrated circuit having a ferromagnetic core, comprising:
- a substrate;
- an insulator coupled to said substrate;
- and
- a metallic adhesive that forms a bond between said insulator and said ferromagnetic core to secure said ferromagnetic core to said substrate.
A method of manufacturing a power micromagnetic integrated circuit, comprising the steps of:
- providing a substrate;
- depositing an insulator proximate to said substrate;
- depositing a metallic adhesive on said insulator;
- and
- depositing a ferromagnetic core on said metallic adhesive, said metallic adhesive forming a bond between said insulator and said ferromagnetic core to secure said ferromagnetic core to said substrate.
A power processing circuit, comprising:
- an input source of electrical power;
- a switching circuit for receiving said electrical power and producing therefrom switched electrical power;
- and
- a power micromagnetic integrated circuit, including:
- a substrate having an insulator coupled thereto;
- a ferromagnetic core and a winding to impart a desired magnetic property to said ferromagnetic core;
- and
- a metallic adhesive that forms a bond between said insulator and said ferromagnetic core to secure said ferromagnetic core to said substrate.
Dependencies are inferred from the claim text.