Ceramic composition
US-2015353430-A1 · Dec 10, 2015 · US
Piezoelectric composition and piezoelectric device
US10833247B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10833247-B2 |
| Application number | US-201815906460-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 27, 2018 |
| Priority date | Feb 27, 2017 |
| Publication date | Nov 10, 2020 |
| Grant date | Nov 10, 2020 |
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 piezoelectric composition is represented by the following Chemical Formula (1): x [Bi m FeO 3 ]- y [Ba m TiO 3 ]- z [Sr m TiO 3 ] (1) wherein 0.5≤x≤0.8, 0.02≤y≤0.4, 0.02≤z≤0.2, x+y+z=1, and 0.96≤m≤1.04.
First claim
Opening claim text (preview).
What is claimed is: 1. A piezoelectric composition represented by a following Chemical Formula (1): x [Bi m FeO 3 ]- y [Ba m TiO 3 ]- z [Sr m TiO 3 ] (1) where 0.55≤x≤0.75, 0.15≤y≤0.33, 0.02≤z≤0.1, x+y+z=1, and 0.96≤m≤1.04. 2. A piezoelectric device comprising the piezoelectric composition according to claim 1 .
Assignees
Inventors
Classifications
perovskite-type (ABO3) · CPC title
Mixed oxides or hydroxides, (C01G49/0009 takes precedence) · CPC title
- C04B35/26Primary
based on ferrites · CPC title
Titanium oxides or titanates, e.g. rutile or anatase · CPC title
Barium oxides or oxide-forming salts thereof · 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 US10833247B2 cover?
- The piezoelectric composition is represented by the following Chemical Formula (1): x [Bi m FeO 3 ]- y [Ba m TiO 3 ]- z [Sr m TiO 3 ] (1) wherein 0.5≤x≤0.8, 0.02≤y≤0.4, 0.02≤z≤0.2, x+y+z=1, and 0.96≤m≤1.04.
- Who is the assignee on this patent?
- Tdk Corp
- What technology area does this patent fall under?
- Primary CPC classification C04B35/26. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Nov 10 2020 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).