TDK‘s patented piezoelectric element features a unique design with a reinforcing layer overlapping the corner of the electrode layer. This innovation enhances the structural integrity and performance of the element. GlobalData’s report on TDK gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on TDK, Battery management systems was a key innovation area identified from patents. TDK's grant share as of February 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Piezoelectric element with reinforcing layer overlapping electrode corner
A recently granted patent (Publication Number: US11930713B2) discloses a piezoelectric element designed with specific structural features to enhance its performance. The element includes a piezoelectric body with electrode layers and a reinforcing layer provided on the first main surface. The unique design ensures that the electrode layer is spaced apart from the side surface, with the reinforcing layer overlapping the corner of the electrode layer when viewed from the opposing direction. Additionally, the reinforcing layer has a hardness greater than that of the piezoelectric body, contributing to the element's durability and stability.
Furthermore, the patent describes a vibrating device incorporating the aforementioned piezoelectric element, along with a vibrating member to which the element is bonded. The vibrating device is expected to leverage the enhanced performance characteristics of the piezoelectric element. Another aspect of the patent details a piezoelectric element with an outer layer instead of a reinforcing layer, showcasing versatility in design options. The outer layer overlaps the corner of the electrode layer, providing similar structural benefits as the reinforcing layer. Overall, the patent highlights innovative approaches to piezoelectric element design, focusing on improving functionality and durability through specific material choices and structural configurations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
