Vishay Intertechnology. has filed a patent for a metal oxide semiconductor field effect transistor (MOSFET) device with multiple gate structures and a termination structure. The design features curved edges for improved performance. GlobalData’s report on Vishay Intertechnology 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 Vishay Intertechnology, 3D memory devices was a key innovation area identified from patents. Vishay Intertechnology's grant share as of January 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Mosfet device with parallel gate structures and curved termination structure
A newly filed patent (Publication Number: US20240030339A1) describes a metal oxide semiconductor field effect transistor (MOSFET) device with unique features. The device includes a plurality of gate structures that are parallel and separated from each other, along with a termination structure with specific edges. Each gate structure has a curved edge adjacent to the termination structure, while the second edge of the termination structure is concave to the curved edges of the gate structures. Additionally, the termination structure may have a scalloped shape and a termination trench.
Furthermore, the patent also outlines a method for manufacturing the MOSFET device. The method involves forming the gate structures and the termination structure with specific edge configurations. It also includes the formation of a mesa structure with varying width and specific edge characteristics. The mesa structure is described as floating and not tied to a fixed voltage, and it is not electrically connected to the termination structure. Overall, the patent highlights the unique design and manufacturing process of the MOSFET device, emphasizing the specific features of the gate structures, termination structure, and mesa structure.
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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.
