Dielectric ceramic composition and dielectric device
US-2015348709-A1 · Dec 3, 2015 · US
Dielectric ceramic composition and dielectric element
US9530563B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9530563-B2 |
| Application number | US-201414780017-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 4, 2014 |
| Priority date | Mar 28, 2013 |
| Publication date | Dec 27, 2016 |
| Grant date | Dec 27, 2016 |
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.
The present invention relates to a dielectric ceramic composition which is complex oxides represented by the following formula (1), {[(Bi s Na t ) a (Bi u K v ) b Ba c ] 1-d A d } x Ti 1-d Nb d O 3 (1), wherein, in formula (1), A represents at least one element selected from the group consisting of Li, Na and K, and a, b, c, d, s, t, u, v and x are numbers respectively satisfying the following formulae, 0.10≦a≦0.95, 0.00<b≦0.85, 0.05≦c≦0.70, a+b+c=1, 0.10≦d≦0.50, 0.90≦s+u≦1.00, 0.45≦t≦0.50, 0.45≦v≦0.50 and 0.95≦x≦1.05.
First claim
Opening claim text (preview).
What is claimed is: 1. A dielectric ceramic composition comprising a composition represented by the following formula (1), {[(Bi s Na t ) a (Bi u K v ) b Ba c ] 1-d A d } x Ti 1-d Nb d O 3 (1) wherein, in formula (1), A represents at least one element selected from the group consisting of Li, Na and K, and a, b, c, d, s, t, u, v and x are numbers respectively satisfying the following formulae, 0.10 ≦a< 0.95, 0.00 <b≦ 0.85, 0.05 ≦c≦ 0.70, a+b+c= 1, 0.10 ≦d≦ 0.50, 0.90 ≦s+u≦ 1.00, 0.45 ≦t≦ 0.50, 0.45 ≦v≦ 0.50, 0.95 ≦x≦ 1.05. 2. A dielectric element comprising the dielectric ceramic composition of claim 1 .
Assignees
Inventors
Classifications
Titanium oxides or titanates, e.g. rutile or anatase · CPC title
Barium oxides or oxide-forming salts thereof · CPC title
based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates · CPC title
Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate · CPC title
based on BaTiO3 perovskite phase · 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 US9530563B2 cover?
- The present invention relates to a dielectric ceramic composition which is complex oxides represented by the following formula (1), {[(Bi s Na t ) a (Bi u K v ) b Ba c ] 1-d A d } x Ti 1-d Nb d O 3 (1), wherein, in formula (1), A represents at least one element selected from the group consisting of Li, Na and K, and a, b, c, d, s, t, u, v and x are numbers respectively satisfying the following…
- Who is the assignee on this patent?
- Tdk Corp
- What technology area does this patent fall under?
- Primary CPC classification H01G4/1227. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 27 2016 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).