18454072. PIEZOELECTRIC ELEMENT AND ACTUATOR simplified abstract (FUJIFILM CORPORATION)
Contents
- 1 PIEZOELECTRIC ELEMENT AND ACTUATOR
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 PIEZOELECTRIC ELEMENT AND ACTUATOR - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 Unanswered Questions
- 1.11 Original Abstract Submitted
PIEZOELECTRIC ELEMENT AND ACTUATOR
Organization Name
Inventor(s)
Seigo Nakamura of Kanagawa (JP)
Hiroyuki Kobayashi of Kanagawa (JP)
Shinya Sugimoto of Kanagawa (JP)
Tsutomu Sasaki of Kanagawa (JP)
PIEZOELECTRIC ELEMENT AND ACTUATOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18454072 titled 'PIEZOELECTRIC ELEMENT AND ACTUATOR
Simplified Explanation
The patent application describes a piezoelectric element with multiple layers of piezoelectric films containing a perovskite-type oxide. The polarization-electric field hysteresis of the films is shifted in the same direction, indicating improved performance.
- The piezoelectric element includes a substrate and multiple layers of piezoelectric films with different Pb composition ratios.
- Both the first and second piezoelectric films contain a perovskite-type oxide with Pb Zr, Ti, and M as main components.
- The polarization-electric field hysteresis of the films is shifted in the same direction, enhancing the overall performance.
Potential Applications
This technology could be used in:
- Sensors
- Actuators
- Energy harvesting devices
Problems Solved
- Improved performance of piezoelectric elements
- Enhanced sensitivity and response time
Benefits
- Higher efficiency
- Greater reliability
- Improved functionality
Potential Commercial Applications
- Consumer electronics
- Medical devices
- Aerospace industry
Possible Prior Art
One possible prior art for this technology could be the use of perovskite-type oxides in piezoelectric elements for improved performance.
Unanswered Questions
How does the different Pb composition ratios affect the performance of the piezoelectric element?
The abstract mentions that the Pb composition ratios in the perovskite-type oxides in the first and second piezoelectric films are different. It would be interesting to know how this difference impacts the overall performance of the element.
What specific applications could benefit the most from this technology?
While the abstract mentions potential applications like sensors and actuators, it would be helpful to understand which specific industries or devices could benefit the most from the improved performance of this piezoelectric element.
Original Abstract Submitted
A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb Zr, Ti, and M, as a main component, Pb composition ratios in the perovskite-type oxides contained in the first piezoelectric film and the second piezoelectric film are different from each other, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.
