Composition for injection molding, sintered compact, and method for producing sintered compact
US-2015376397-A1 · Dec 31, 2015 · US
Method for preparing a lead-free piezoelectric thin film
US8961679B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8961679-B2 |
| Application number | US-201113698989-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 20, 2011 |
| Priority date | May 20, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 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.
The present invention discloses a method of preparing a lead-free piezoelectric thin film comprising the steps of: providing a precursor solution comprising at least one alkali metal ion, a polyamine carboxylic acid, and an amine; depositing the precursor solution on a substrate to form a film; and annealing the film. The present invention also provides a lead-free piezoelectric thin film prepared according to the method, a precursor solution for use in the method and a method of preparing the precursor solution.
First claim
Opening claim text (preview).
What is claimed is: 1. A precursor solution for use in preparing a lead-free piezoelectric thin film comprising: at least one alkali metal ion; a polyamino carboxylic acid; and an alkanolamine. 2. The precursor solution according to claim 1 , wherein the at least one alkali metal ion is selected from the group consisting potassium (K), sodium (Na) and lithium (Li). 3. The precursor solution according to claim 1 , wherein the polyamino carbo…
Assignees
Inventors
Classifications
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · 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 US8961679B2 cover?
- The present invention discloses a method of preparing a lead-free piezoelectric thin film comprising the steps of: providing a precursor solution comprising at least one alkali metal ion, a polyamine carboxylic acid, and an amine; depositing the precursor solution on a substrate to form a film; and annealing the film. The present invention also provides a lead-free piezoelectric thin film prepa…
- Who is the assignee on this patent?
- Goh Phoi Chin, Yao Kui, Agency Science Tech & Res
- What technology area does this patent fall under?
- Primary CPC classification C04B35/632. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 24 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).