Thermo-mechanical actuator
US-12117739-B2 · Oct 15, 2024 · US
Energy harvesting devices and methods of fabricating the same
US8963404B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8963404-B2 |
| Application number | US-201213606246-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 7, 2012 |
| Priority date | Dec 16, 2011 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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Energy harvesting devices are provided. The energy harvesting device includes a body, a proof mass spaced apart from the body, a cantilever extending from the body onto the proof mass, a first electrode layer on the cantilever opposite to the body, a first piezoelectric layer on the first electrode layer, a second electrode layer on the first piezoelectric layer, a second piezoelectric layer on the second electrode layer, a pair of third electrode layers on the second piezoelectric layer, and a magnetic layer between the second electrode layer and the second piezoelectric layer. Related methods are also provided.
First claim
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What is claimed is: 1. An energy harvesting device, the device comprising: a body; a proof mass spaced apart from the body; a cantilever extending from the body onto the proof mass; a first electrode layer on the cantilever opposite to the body; a first piezoelectric layer on the first electrode layer; a second electrode layer on the first piezoelectric layer; a second piezoelectric layer on the second electrode layer; a pair of third electrode layers on the second p…
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Frequently asked questions
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- What does patent US8963404B2 cover?
- Energy harvesting devices are provided. The energy harvesting device includes a body, a proof mass spaced apart from the body, a cantilever extending from the body onto the proof mass, a first electrode layer on the cantilever opposite to the body, a first piezoelectric layer on the first electrode layer, a second electrode layer on the first piezoelectric layer, a second piezoelectric layer on…
- Who is the assignee on this patent?
- Lee Sang Kyun, Kim Moonkeun, Yang Yil Suk, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H02N2/18. Mapped technology areas include Electricity.
- 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).