TDK has been granted a patent for a magnetic field detection apparatus featuring a substrate with two adjacent projections. Each projection includes inclined surfaces with magnetoresistive films and wiring lines for connectivity, designed to enhance magnetic field detection capabilities through specific surface patterns. 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 July 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.
Magnetic field detection apparatus with inclined magnetoresistive films
The patent US12072397B2 describes a magnetic field detection apparatus that features a substrate with a flat surface and two adjacent projections. Each projection includes inclined surfaces designed to host magnetoresistive effect films, which are essential for detecting magnetic fields. The apparatus incorporates wiring lines that connect the magnetoresistive films on both projections, facilitating the detection process. Additionally, the design allows for the inclusion of one or more patterns on the inclined surfaces, which can enhance the functionality of the device. The arrangement of these components is such that the inclined surfaces of the projections face each other, optimizing the detection capabilities.
Further claims detail the specific configurations of the patterns and wiring lines. For instance, the patterns may be made from electrically conductive materials and can be insulated from the wiring lines. The patent also specifies that the top end positions of the patterns and wiring lines are aligned in a height direction relative to the flat surface, ensuring consistent performance. The wiring lines are designed with both flat and inclined parts, allowing for efficient connectivity and orientation. Overall, the claims outline a sophisticated design aimed at improving the efficacy of magnetic field detection through strategic placement and configuration of materials and components.
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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.
