Media Summary: MediaTek has been granted a patent for a semiconductor structure with multiple stacks over a substrate. Each stack includes channel layers and gate structures, with specific spacing configurations. The innovation aims to optimize performance and efficiency in semiconductor devices. GlobalData’s report on MediaTek 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 MediaTek, Adaptive video coding was a key innovation area identified from patents. MediaTek's grant share as of February 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Semiconductor structure with stacked channels and gate structures
A recently granted patent (Publication Number: US11923460B2) discloses a semiconductor structure comprising semiconductor stacks over a substrate. Each stack includes channel layers and a gate structure with gate dielectric layers and a gate electrode. The unique feature of this structure is the varying space between the channel layers in the vertical direction, with the lowermost layers having a greater space compared to the uppermost layers. This difference in spacing is crucial for the performance of the semiconductor structure and falls within a specific range of 5 nm to 30 nm.
Furthermore, the patent claims detail the composition of the gate electrode, including work function tuning layers and a metal filling layer. The spaces between adjacent work function tuning layers and the uppermost channel layers are filled with specific materials to optimize the functionality of the semiconductor structure. Additionally, the patent covers variations in the composition of the channel layers within the semiconductor stacks, allowing for flexibility in material selection based on specific requirements. Overall, the patented semiconductor structure offers a novel design with precise spacing and composition considerations to enhance performance and efficiency in semiconductor applications.
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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.
