Sanken Electric has been granted a patent for an apparatus featuring a substrate with an isolator that includes a silicon shield layer between two buried oxide layers. It comprises a silicon layer with an oxide trench structure defining two silicon islands, each hosting an electrically coupled electronic circuit. GlobalData’s report on Sanken Electric 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 Sanken Electric, Quantum dot devices was a key innovation area identified from patents. Sanken Electric's grant share as of July 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Silicon-based electronic circuit apparatus with isolation structure
The patent US12068237B2 describes an innovative apparatus designed for electronic circuits, featuring a substrate and an isolator that incorporates a silicon shield layer situated between two buried oxide (BOX) layers. The apparatus includes a silicon layer with an oxide trench structure that delineates two silicon islands, each supporting distinct electronic circuits. These circuits are interconnected, allowing for the transmission of digital data signals. The design emphasizes noise reduction through active noise cancellation techniques, which are facilitated by conductive vias that connect the silicon shield layer to ground sources for both electronic circuits.
Further claims detail the structural components of the apparatus, including the presence of an oxide isolation layer and multiple conductive vias that enhance electrical coupling and noise management. The first and second electronic circuits are configured to perform active noise cancellation based on reference signals received through dedicated signal lines. The apparatus also allows for capacitive coupling between the circuits and the conductive vias, ensuring efficient signal transmission and noise mitigation. Overall, the patent outlines a sophisticated architecture aimed at improving the performance and reliability of electronic circuits through advanced isolation and noise cancellation strategies.
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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.
