Oxide ceramic and ceramic electronic component
US-9815742-B2 · Nov 14, 2017 · US
Incorporation of oxides into ferrite material for improved radio radiofrequency properties
US2016118168A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016118168-A1 |
| Application number | US-201514887773-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 20, 2015 |
| Priority date | Oct 24, 2014 |
| Publication date | Apr 28, 2016 |
| Grant date | — |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase hexagonal ferrite material, such as those including strontium. In some embodiments, oxides consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 can be used form an enhanced hexagonal ferrite material.
First claim
Opening claim text (preview).
What is claimed is: 1 . A method for incorporating additional oxides to increase the magnetic properties of a hexagonal ferrite, the method comprising: providing a y-phase hexagonal ferrite material; and incorporating an oxide consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 to form an enhanced hexagonal ferrite material. 2 . The method of claim 1 wherein the enhanced hexagonal ferrite material is a single phase. 3 . The method of claim 1 wherein the enhanced hexagonal ferrite material is two distinct phases. 4 . The method of claim 1 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 Co 1.6 Sc 0.4 Fe 11 O 22 . 5 . The method of claim 1 wherein the oxide includes CoFe 2 O 4 . 6 . The method of claim 1 wherein the oxide includes SrFe 12 O 19 . 7 . The method of claim 1 wherein 2 wt. % of the oxide is incorporated into the y-phase hexagonal ferrite material. 8 . The method of claim 1 wherein the enhanced hexagonal ferrite material has a Q value of greater than about 20 at 800 MHz. 9 . The method of claim 1 wherein the enhanced hexagonal ferrite material has a Q value of greater than about 15 at 1 GHz. 10 . The method of claim 1 wherein the enhanced hexagonal ferrite material has a permeability of between 6 and 8 from 800 MHz to 1 GHz. 11 . The method of claim 1 wherein the enhanced hexagonal ferrite material has a dielectric constant of about 10-11. 12 . An enhanced hexagonal ferrite having increased magnetic properties, the enhanced hexagonal ferrite comprising: a y-phase hexagonal ferrite material, the y-phase hexagonal ferrite material having an oxide consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 incorporated within. 13 . The hexagonal ferrite of claim 12 wherein the enhanced hexagonal ferrite material is a single phase. 14 . The hexagonal ferrite of claim 12 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 CO 1.6 Sc 0.4 Fe 11 O 22 . 15 . The hexagonal ferrite of claim 12 wherein the oxide includes CoFe 2 O 4 or SrFe 12 O 19 . 16 . The hexagonal ferrite of claim 12 wherein the enhanced hexagonal ferrite material has a Q value of greater than about 15 at 1 GHz, a permeability of between 6 and 8 from 800 MHz to 1 GHz, and a dielectric constant of about 10-11. 17 . A radiofrequency antenna for use in high frequency applications comprising: a y-phase hexagonal ferrite material, the y-phase hexagonal ferrite material having an oxide consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 incorporated within to form an enhanced hexagonal ferrite material. 18 . The radiofrequency antenna of claim 17 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 CO 1.6 Sc 0.4 Fe 11 O 22 . 19 . The radiofrequency antenna of claim 17 wherein the oxide includes CoFe 2 O 4 or SrFe 12 O 19 . 20 . The radiofrequency antenna of claim 17 wherein the enhanced hexagonal ferrite material has a Q value of greater than about 15 at 1 GHz, a permeability of between 6 and 8 from 800 MHz to 1 GHz, and a dielectric constant of about 10-11.
Assignees
Inventors
Classifications
Other ferrites containing alkaline earth metals or lead · CPC title
based on ferrites · CPC title
Gallium oxides, gallates, indium oxides, indates, thallium oxides, thallates or oxide forming salts thereof, e.g. zinc gallate · CPC title
Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof · CPC title
Other ferrites containing nickel, copper or cobalt · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US2016118168A1 cover?
- Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase hexagonal ferrite material, such as those including strontium. In some embodiments, oxides consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 can be used form an enhanced hexagonal ferrite …
- Who is the assignee on this patent?
- Skyworks Solutions Inc
- What technology area does this patent fall under?
- Primary CPC classification H01F1/348. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Apr 28 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).