Process for preparing an electrode composition or composition with magnetic properties, mixture and composition obtained by means of said process and said electrode
US-2016340476-A1 · Nov 24, 2016 · US
Ferrite composition and electronic component
US9536645B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9536645-B2 |
| Application number | US-201414508499-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 7, 2014 |
| Priority date | Oct 16, 2013 |
| Publication date | Jan 3, 2017 |
| Grant date | Jan 3, 2017 |
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Abstract
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A ferrite composition comprises a main component and a sub component. The main component is comprised of 40.0 to 49.8 mol % iron oxide in terms of Fe 2 O 3 , 5.0 to 14.0 mol % copper oxide in terms of CuO, 0 to 32.0 mol % zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The sub component includes 0.5 to 4.0 wt % tin oxide in terms of SnO 2 , 0.10 to 1.00 wt % bismuth oxide in terms of Bi 2 O 3 , and 0.21 to 3.00 wt % cobalt oxide in terms of Co 3 O 4 , with respect to the main component.
First claim
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The invention claimed is: 1. A ferrite composition comprising a main component and a sub component, wherein said main component is comprised of 40.0 to 49.8 mol % iron oxide in terms of Fe 2 O 3 , 5.0 to 14.0 mol % copper oxide in terms of CuO, 0.5 to 26.0mol % zinc oxide in terms of ZnO, and a remaining part of nickel oxide, said sub component includes 0.5 to 4.0 wt % tin oxide in terms of SnO 2 , 0.10 to 1.00 wt % bismuth oxide in terms of Bi 2 O 3 , and 0.21 to 3.00 wt % cobalt oxide in terms of Co 3 O 4 , with respect to the main component 100 wt %, said ferrite composition has ferrite particles and crystal grain boundaries present among adjacent crystal particles, and an average crystal particle diameter of the crystal particles is 0.2 to 1.5 μm. 2. An electronic component comprising a ferrite sintered body composed of the ferrite composition according to claim 1 . 3. The ferrite composition according to claim 1 , wherein the amount of iron oxide in terms of Fe 2 O 3 is 42.0 to 49.0 mol %. 4. The ferrite composition according to claim 1 , wherein the amount of iron oxide in terms of Fe 2 O 3 is 43.0 to 49.0 mol %. 5. The ferrite composition according to claim 1 , wherein the amount of tin oxide, in terms of SnO 2 , is 0.5 to 2.5 wt %. 6. The ferrite composition according to claim 1 , wherein the amount of bismuth oxide, in terms of Bi 2 O 3 , is 0.20 to 0.70 wt %. 7. The ferrite composition according to claim 1 , wherein the amount of bismuth oxide, in terms of Bi 2 O 3 , is 0.20 to 0.50 wt %. 8. The ferrite composition according to claim 1 , wherein the amount of cobalt oxide, in terms of Co 3 O 4 , is 0.23 to 2.00 wt %.
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- What does patent US9536645B2 cover?
- A ferrite composition comprises a main component and a sub component. The main component is comprised of 40.0 to 49.8 mol % iron oxide in terms of Fe 2 O 3 , 5.0 to 14.0 mol % copper oxide in terms of CuO, 0 to 32.0 mol % zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The sub component includes 0.5 to 4.0 wt % tin oxide in terms of SnO 2 , 0.10 to 1.00 wt % bismuth oxide in t…
- 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 Tue Jan 03 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).