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Composite magnetic material and process for production
US8999075B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8999075-B2 |
| Application number | US-201113700675-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 28, 2011 |
| Priority date | Jun 30, 2010 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
Official abstract text for this publication.
A composite magnetic material manufactured by mixing a metal magnetic powder with an insulating binder to produce a mixed powder, press-molding the mixed powder to produce a molded product, and heat-treating the molded product in an oxidizing atmosphere at not lower than 80° C. and not higher than 400° C. to form an oxide film on a surface of the molded product. The metal magnetic powder includes Si, Fe, and component A, and the composition thereof satisfies 5.5%≦Si≦9.5%, 10%≦Si+component A≦13.5%, and the remainder is Fe, where % denotes weight %. The component A includes at least one of Ni, Al, Ti, and Mg.
First claim
Opening claim text (preview).
The invention claimed is: 1. A production process of a composite magnetic material, the process comprising: mixing a metal magnetic powder with an insulating binder to produce a mixed powder; press-molding the mixed powder to produce a molded product, and heat-treating the molded product in an oxidizing atmosphere at not lower than 80° C. and not higher than 400° C. to form an oxide film on a surface of the molded product, wherein the metal magnetic powder includes Si, Fe, a…
Assignees
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8999075B2 cover?
- A composite magnetic material manufactured by mixing a metal magnetic powder with an insulating binder to produce a mixed powder, press-molding the mixed powder to produce a molded product, and heat-treating the molded product in an oxidizing atmosphere at not lower than 80° C. and not higher than 400° C. to form an oxide film on a surface of the molded product. The metal magnetic powder includ…
- Who is the assignee on this patent?
- Matsutani Nobuya, Takahashi Takeshi, Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01F41/0266. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).