Method for fabrication of crack-free ceramic dielectric films
US-2016376708-A1 · Dec 29, 2016 · US
Piezoelectric ceramic material, method for the production thereof, and multilayer component
US8970094B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8970094-B2 |
| Application number | US-201013514274-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 15, 2010 |
| Priority date | Dec 18, 2009 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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.
A piezoelectric ceramic material has the general formula: P 1-c-d D c Z d (PbO) w where: 0<c≦0.025; 0≦d≦0.05; 0≦w≦0.05; where P stands for a compound having the formula [Pb 1-v Ag I v ][(Zr 1-y Ti y ) 1-u Cu II u ]O 3 , where 0.50≦1−y≦0.60; 0<u≦0.0495; 0≦v≦0.02, and D stands for a component of the general formula [(M 1 O) 1-p (M 2 O) p ] a [Nb 2 O 5 ] 1-a , where M 1 stands for Ba 1-t Sr t , where 0≦t≦1, M 2 stands for Sr and/or Ca, and 0<p<1 and ⅔<a<1 and Z stands for a compound of the general formula: Pb(L 1 R r )O 3 where L is present in the oxidation state II or III, and R is present in the oxidation state VI or V, and: L II is selected from among Fe, Mg, Co, Ni and Cu in combination with R VI =W, where 1=½ and r=½, or L III is selected from among Fe, Cr and Ga in combination with R V =Nb, Ta or Sb, where 1=½ and r=½, or L III is selected from among Fe, Cr and Ga in combination with R VI =W, where 1=⅔ and r=⅓.
First claim
Opening claim text (preview).
The invention claimed is: 1. A piezoelectric ceramic material of the general formula: P 1-c-d D c Z d (PbO) w where: 0<c≦0.025; 0≦d≦0.05; 0≦w≦0.05; wherein P is a compound of the formula [Pb 1-v Ag I v ][(Zr 1-y Ti y ) 1-u Cu II u ]O 3 , where 0.50≦1−y≦0.60; 0<u≦0.0495; 0≦v≦0.02, and D is a component of the general formula [(M 1 O) 1-p (M 2 O) p ] a [Nb 2 O 5 ] 1-a where M 1 is Ba 1-t Sr t , where 0≦t≦1, M 2 is Sr and/or Ca, and 0<p<1 and ⅔<a<1,…
Assignees
Inventors
Classifications
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8970094B2 cover?
- A piezoelectric ceramic material has the general formula: P 1-c-d D c Z d (PbO) w where: 0<c≦0.025; 0≦d≦0.05; 0≦w≦0.05; where P stands for a compound having the formula [Pb 1-v Ag I v ][(Zr 1-y Ti y ) 1-u Cu II u ]O 3 , where 0.50≦1−y≦0.60; 0<u≦0.0495; 0≦v≦0.02, and D stands for a component of the general formula [(M 1 O) 1-p (M 2 O) p ] a [Nb 2 O 5 ] 1-a , where M 1 stands for Ba 1-t Sr …
- Who is the assignee on this patent?
- Schossmann Michael, Feltz Adalbert, Epcos Ag
- What technology area does this patent fall under?
- Primary CPC classification C04B35/493. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Mar 03 2015 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).