Plastic moulding compound and use thereof
US-2015175804-A1 · Jun 25, 2015 · US
Magnetic compound and antenna
US11056257B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11056257-B2 |
| Application number | US-201615578411-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 1, 2016 |
| Priority date | Jun 2, 2015 |
| Publication date | Jul 6, 2021 |
| Grant date | Jul 6, 2021 |
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Abstract
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An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.
First claim
Opening claim text (preview).
The invention claimed is: 1. A magnetic compound, consisting of: a magnetic powder composite in which at least a part of a surface of a metal magnetic powder is coated with phthalic acid; and polyarylene sulfide resin, wherein the magnetic powder composite is dispersed in the polyarylene sulfide resin as a matrix. 2. The magnetic compound according to claim 1 , wherein when the magnetic compound is constituted so that a content of the metal magnetic powder in the magnetic compound is 27.5 vol %, a real part μ′ of permeability at a measuring frequency of 2 GHz is 1.5 or more, and tan δμ and tan δε are 0.05 or less. 3. An antenna constituted by the magnetic compound according to claim 1 . 4. An antenna constituted by the magnetic compound according to claim 2 . 5. The magnetic compound according to claim 1 , wherein a coating amount of the phthalic acid in the magnetic powder composite is set so that mass of carbon calculated as a carbon measurement value in a high frequency combustion method is in a range of 0.1 wt % to 10 wt % with respect to a total weight of the magnetic powder composite.
Assignees
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Classifications
- C08K9/04Primary
Ingredients treated with organic substances {(treated with macromolecular compounds C08K9/08)} · CPC title
Additives being defined by their surface area · CPC title
by structural association with other equipment or articles · CPC title
Metals · CPC title
Cobalt · CPC title
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Frequently asked questions
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- What does patent US11056257B2 cover?
- An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.
- Who is the assignee on this patent?
- Dowa Electronics Materials Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08K9/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 06 2021 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).