Piezoelectric composition and piezoelectric device

US2018248107A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2018248107-A1
Application numberUS-201815906460-A
CountryUS
Kind codeA1
Filing dateFeb 27, 2018
Priority dateFeb 27, 2017
Publication dateAug 30, 2018
Grant date

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

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) 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. 2 . A piezoelectric device comprising: the piezoelectric composition according to claim 1 .

Assignees

Inventors

Classifications

  • Electricity · mapped topic

  • Removal thereof · CPC title

  • Milling · CPC title

  • Burning or sintering processes (C04B33/32 takes precedence {; powder metallurgy B22F}) · CPC title

  • based on zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates · CPC title

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What does patent US2018248107A1 cover?
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 H01L41/1878. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Aug 30 2018 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).