18454073. PIEZOELECTRIC ELEMENT AND ACTUATOR simplified abstract (FUJIFILM CORPORATION)

From WikiPatents
Jump to navigation Jump to search

PIEZOELECTRIC ELEMENT AND ACTUATOR

Organization Name

FUJIFILM CORPORATION

Inventor(s)

Hiroyuki Kobayashi of Kanagawa (JP)

Seigo Nakamura 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 18454073 titled 'PIEZOELECTRIC ELEMENT AND ACTUATOR

Simplified Explanation

The patent application describes a piezoelectric element with two piezoelectric films having aligned spontaneous polarizations in the film thickness direction.

  • The first and second piezoelectric films have aligned spontaneous polarizations in the same direction.
  • The coercive voltages of the two piezoelectric films satisfy specific conditions.
  • The larger of the absolute values of the coercive voltages of the two films is denoted by Vcf and Vcr.
  • The difference between the larger and smaller coercive voltages is less than 0.2 times the smaller coercive voltage.

Potential Applications

This technology could be applied in:

  • Sensors
  • Actuators
  • Energy harvesting devices

Problems Solved

This technology addresses issues related to:

  • Improving piezoelectric element performance
  • Enhancing sensitivity and efficiency in piezoelectric applications

Benefits

The benefits of this technology include:

  • Increased performance and reliability of piezoelectric elements
  • Improved control and precision in sensing and actuation applications

Potential Commercial Applications

Potential commercial applications of this technology include:

  • Consumer electronics
  • Medical devices
  • Industrial automation systems

Possible Prior Art

One possible prior art for this technology could be:

  • Piezoelectric elements with aligned spontaneous polarizations but without the specific coercive voltage conditions mentioned in the patent application.

Unanswered Questions

How does this technology compare to existing piezoelectric elements in terms of performance and efficiency?

This article does not provide a direct comparison with existing piezoelectric elements to evaluate the performance and efficiency improvements offered by the patented technology.

What specific industries or sectors could benefit the most from this technology?

While the potential applications are mentioned, a detailed analysis of the industries or sectors that could benefit the most from this technology is not provided in the article.


Original Abstract Submitted

A piezoelectric element includes a substrate, a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode, in which both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations are the same, and in a case where in a hysteresis curve of one piezoelectric film, a coercive voltage Vcf, a coercive voltage Vcf, |Vcf−Vcf|=ΔVcf, and the larger of an absolute value of Vcf and an absolute value of Vcf is denoted by Vcf, and in a hysteresis curve of the other piezoelectric film, a coercive voltage Vcr, a coercive voltage Vcr, |Vcr−Vcr|=ΔVcr, and the larger of an absolute value of Vcr and an absolute value Vcr is denoted by Vcr, ΔVcr<ΔVcf−0.2 and Vcr<Vcf−0.2 are satisfied.

Retrieved from "http://wikipatents.org/index.php?title=18454073._PIEZOELECTRIC_ELEMENT_AND_ACTUATOR_simplified_abstract_(FUJIFILM_CORPORATION)&oldid=52050"