Vanguard Group has been granted a patent for a substrate design comprising a support structure with layers including polycrystalline ceramic core, adhesion layers, conductive layer, barrier layer, bonding layer, single crystal layer (silicon carbide, sapphire, or gallium nitride), and epitaxial semiconductor layer. GlobalData’s report on Vanguard Group 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 Vanguard Group, Retail trading platforms was a key innovation area identified from patents. Vanguard Group's grant share as of May 2024 was 79%. Grant share is based on the ratio of number of grants to total number of patents.
Substrate with polycrystalline ceramic core and epitaxial semiconductor layer
A recently granted patent (Publication Number: US12009205B2) discloses a substrate design comprising a complex support structure with various layers aimed at enhancing performance. The substrate includes a polycrystalline ceramic core, adhesion layers, a conductive layer, a barrier layer, a bonding layer, a single crystal layer (such as silicon carbide, sapphire, or gallium nitride), and an epitaxial semiconductor layer. The design allows for improved functionality and efficiency in electronic applications.
Furthermore, the patent details specific variations within the substrate design, such as the use of aluminum nitride in the polycrystalline ceramic core, silicon oxide in the bonding layer, and the inclusion of epitaxial III-V layers with specific thickness requirements. The substrate also features vias for enhanced connectivity, epitaxial silicon layers, and encapsulation layers like tetraethyl orthosilicate (TEOS) and silicon nitride. These intricate layers and materials contribute to the overall performance and reliability of the substrate 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.
