Soft magnetic exchange-coupled composite structure, and high-frequency device component, antenna module, and magnetoresistive device including the soft magnetic exchange-coupled composite structure
US-9437358-B2 · Sep 6, 2016 · US
Nanocomposite magnetic materials for magnetic devices and systems
US9818514B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9818514-B2 |
| Application number | US-201414904887-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 25, 2014 |
| Priority date | Jul 26, 2013 |
| Publication date | Nov 14, 2017 |
| Grant date | Nov 14, 2017 |
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- Title
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Abstract
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Nanocomposite magnetic materials, methods of manufacturing nanocomposite magnetic materials, and magnetic devices and systems using these nanocomposite magnetic materials are described. A nanocomposite magnetic material can be formed using an electro-infiltration process where nanomaterials (synthesized with tailored size, shape, magnetic properties, and surface chemistries) are infiltrated by electroplated magnetic metals after consolidating the nanomaterials into porous microstructures on planar substrates. The nanomaterials may be considered the inclusion phase, and the magnetic metals may be considered the matrix phase of the multi-phase nanocomposite.
First claim
Opening claim text (preview).
What is claimed is: 1. A nanocomposite magnetic material, comprising: a magnetic electroplated metal matrix phase; and an inclusion phase of nanomaterials bound by the magnetic metal matrix phase, wherein the metal matrix phase is electrically connected to a conductive surface under the metal matrix phase, and wherein the inclusion phase comprises nanomaterials of a metal alloy with a dielectric shell. 2. The nanocomposite magnetic material of claim 1 , wherein the magnetic metal matrix phase comprises a soft magnetic material, and wherein the soft magnetic material comprises at least one of the following: Ni; Fe; Co; Ni—Fe alloy; and Co—Fe alloy. 3. The nanocomposite magnetic material of claim 1 , wherein the magnetic metal matrix phase comprises a hard magnetic material, and wherein the hard magnetic material comprises at least one alloy selected from Co—Ni, Co—Pt, Fe—Pt, Nd—Fe—B, and Sm—Co. 4. The nanocomposite magnetic material of claim 1 , wherein the magnetic metal matrix phase comprises a magnetostrictive material. 5. The nanocomposite magnetic material of claim 1 , wherein the inclusion phase has a fill fraction of 20-65% by volume. 6. The nanocomposite magnetic material of claim 1 , wherein the inclusion phase has a fill fraction of 60-95% by volume. 7. The nanocomposite magnetic material of claim 1 , wherein a thickness of the nanocomposite magnetic material is in a range of about 100 nm to about 500 μm.
Assignees
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Classifications
Electrolytic deposition, i.e. electroplating; Electroless plating · CPC title
Alloys characterised by their composition · CPC title
Porous product · CPC title
ultrathin or granular films (H01F10/005 and H01F10/3227 take precedence; applying ultrathin or granular layers to substrates H01F41/301) · CPC title
Magnets · CPC title
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- What does patent US9818514B2 cover?
- Nanocomposite magnetic materials, methods of manufacturing nanocomposite magnetic materials, and magnetic devices and systems using these nanocomposite magnetic materials are described. A nanocomposite magnetic material can be formed using an electro-infiltration process where nanomaterials (synthesized with tailored size, shape, magnetic properties, and surface chemistries) are infiltrated by …
- Who is the assignee on this patent?
- Univ Florida
- What technology area does this patent fall under?
- Primary CPC classification H01F1/0576. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 14 2017 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).