Piezoelectric composition and piezoelectric device
US-2016141486-A1 · May 19, 2016 · US
Piezoelectric composition and piezoelectric element
US9831418B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9831418-B2 |
| Application number | US-201514610321-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 30, 2015 |
| Priority date | Feb 5, 2014 |
| Publication date | Nov 28, 2017 |
| Grant date | Nov 28, 2017 |
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Abstract
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The present invention aims to provide a piezoelectric composition and a piezoelectric element. In the piezoelectric composition, the main component is represented by the following formula with a perovskite type structure, (Bi (0.5x+y+z) Na 0.5x ) m (Ti (x+0.5y) Mg 0.5y Me z )O 3 wherein, 0.05≦x≦0.7, 0.01≦y≦0.7, 0.01≦z≦0.6, 0.75≦m≦1.0, x+y+z=1 and the transition metal element Me is any one or more selected from the group consisting of Mn, Cr, Fe and Co.
First claim
Opening claim text (preview).
What is claimed is: 1. A piezoelectric composition comprising the material represented by the following formula with a perovskite type structure as the main component, (Bi (0.5x+y+z) Na 0.5x ) m (Ti (x+0.5y) Mg 0.5y Me z )O 3 wherein, 0.05≦x≦0.7, 0.01≦y≦0.7, 0.01≦z≦0.6, 0.75≦m≦1.0, x+y+z=1 and the transition metal element Me is any one or more selected from the group consisting of Mn, Cr, Fe and Co. 2. A piezoelectric element comprising said piezoelectric composition according to claim 1 and electrodes for applying voltage.
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H01L41/1878Primary
Electricity · mapped topic
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- What does patent US9831418B2 cover?
- The present invention aims to provide a piezoelectric composition and a piezoelectric element. In the piezoelectric composition, the main component is represented by the following formula with a perovskite type structure, (Bi (0.5x+y+z) Na 0.5x ) m (Ti (x+0.5y) Mg 0.5y Me z )O 3 wherein, 0.05≦x≦0.7, 0.01≦y≦0.7, 0.01≦z≦0.6, 0.75≦m≦1.0, x+y+z=1 and the transition metal element Me is any one…
- Who is the assignee on this patent?
- Tdk Corp
- What technology area does this patent fall under?
- Primary CPC classification H01L41/1878. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 28 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).