Composite ferrite composition and electronic device
US-9305690-B2 · Apr 5, 2016 · US
Composite ferrite composition and electronic component
US2016293301A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016293301-A1 |
| Application number | US-201615089992-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 4, 2016 |
| Priority date | Apr 2, 2015 |
| Publication date | Oct 6, 2016 |
| Grant date | — |
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- Title
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Abstract
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Provided is a composite ferrite composition including a magnetic substance material and a nonmagnetic substance material. The magnetic substance material is Ni—Cu—Zn based ferrite. The nonmagnetic substance material comprises a low dielectric constant nonmagnetic substance material, which is shown by a general formula: a(bZnO.cCuO).SiO 2 and satisfies a=1.5 to 2.4, b=0.85 to 0.98, c=0.02 to 0.15, and b+c=1.00 in said general formula, and a bismuth oxide. A mixing ratio of the magnetic substance material and the low dielectric constant nonmagnetic substance material is 80 wt %:20 wt % to 10 wt %:90 wt %.
First claim
Opening claim text (preview).
What is claimed is: 1 . A composite ferrite composition comprising a magnetic substance material and a nonmagnetic substance material, in which the magnetic substance material is Ni—Cu—Zn based ferrite, the nonmagnetic substance material comprises a low dielectric constant nonmagnetic substance material, which is shown by a general formula: a(bZnO.cCuO).SiO 2 and satisfies a=1.5 to 2.4, b=0.85 to 0.98, c=0.02 to 0.15, and b+c=1.00 in said general formula, and a bismuth oxide, and a mixing ratio of the magnetic substance material and the low dielectric constant nonmagnetic substance material is 80 wt %:20 wt % to 10 wt %:90 wt %. 2 . The composite ferrite composition as set forth in claim 1 , in which the composite ferrite composition comprises 0.5 to 8.0 parts by weight of the bismuth oxide in terms of Bi 2 O 3 , when a total of the magnetic substance material and the low dielectric constant nonmagnetic substance material is 100 parts by weight. 3 . An electronic component comprising a lamination of a coil conductor and a ceramic layer, in which the coil conductor comprises Ag, and the ceramic layer comprises the composite ferrite composition as set forth in claim 1 . 4 . An electronic component comprising a lamination of a coil conductor and a ceramic layer, in which the coil conductor comprises Ag, and the ceramic layer comprises the composite ferrite composition as set forth in claim 2 .
Assignees
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Classifications
with encapsulating core, e.g. made of resin and magnetic powder · CPC title
Surface mounted devices · CPC title
with magnetic core · CPC title
with stacked layers · CPC title
- H01F1/344Primary
Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4 · CPC title
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- What does patent US2016293301A1 cover?
- Provided is a composite ferrite composition including a magnetic substance material and a nonmagnetic substance material. The magnetic substance material is Ni—Cu—Zn based ferrite. The nonmagnetic substance material comprises a low dielectric constant nonmagnetic substance material, which is shown by a general formula: a(bZnO.cCuO).SiO 2 and satisfies a=1.5 to 2.4, b=0.85 to 0.98, c=0.02 to 0.…
- Who is the assignee on this patent?
- Tdk Corp
- What technology area does this patent fall under?
- Primary CPC classification H01F1/344. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Oct 06 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).